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9b1865f6918057e6600ff6b455bb8486a016fce1
libmicrohttpd/configure.ac
T
Evgeny Grin (Karlson2k) 9b1865f691 configure: added --enable-build-type=TYPE 
Useful to quickly define settings combination. Individual settings still
could be overridden by individual parameters.

Added autoconf macros for compiler and linker flags
2022-04-16 13:37:52 +03:00

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# This file is part of libmicrohttpd.
# (C) 2006-2021 Christian Grothoff (and other contributing authors)
# (C) 2014-2022 Evgeny Grin (Karlson2k)
#
# libmicrohttpd is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; either version 3, or (at your
# option) any later version.
#
# libmicrohttpd is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with libmicrohttpd; see the file COPYING. If not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
# Boston, MA 02110-1301, USA.
#
#
# Process this file with autoconf to produce a configure script.
#
#
AC_PREREQ([2.64])
LT_PREREQ([2.4.0])
AC_INIT([GNU Libmicrohttpd],[0.9.75],[libmicrohttpd@gnu.org])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([gnu] [check-news] [filename-length-max=99] [tar-v7] [silent-rules] [subdir-objects])
AC_CONFIG_HEADERS([MHD_config.h])
AC_CONFIG_MACRO_DIR([m4])
m4_pattern_forbid([^_?MHD_[A-Z_]+_CC_])dnl
LIB_VERSION_CURRENT=72
LIB_VERSION_REVISION=0
LIB_VERSION_AGE=60
AC_SUBST(LIB_VERSION_CURRENT)
AC_SUBST(LIB_VERSION_REVISION)
AC_SUBST(LIB_VERSION_AGE)
PACKAGE_VERSION_MAJOR='m4_car(m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
PACKAGE_VERSION_MINOR='m4_argn(2, m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
PACKAGE_VERSION_SUBMINOR='m4_argn(3, m4_unquote(m4_split(AC_PACKAGE_VERSION, [\.])))'
AS_VAR_ARITH([MHD_W32_DLL_SUFF],[[$LIB_VERSION_CURRENT - $LIB_VERSION_AGE]])
AC_SUBST([PACKAGE_VERSION_MAJOR])
AC_SUBST([PACKAGE_VERSION_MINOR])
AC_SUBST([PACKAGE_VERSION_SUBMINOR])
AC_SUBST([MHD_W32_DLL_SUFF])
AC_CONFIG_FILES([src/microhttpd/microhttpd_dll_res.rc])
MHD_LIB_CPPFLAGS=""
MHD_LIB_CFLAGS=""
MHD_LIB_LDFLAGS=""
MHD_LIBDEPS=""
# for pkg-config
MHD_REQ_PRIVATE=''
MHD_LIBDEPS_PKGCFG=''
AS_IF([test -z "$CC" && test -z "$CPP"], [
AC_MSG_CHECKING([[whether z/OS special settings are required]])
AS_IF([test `uname -s` = "OS/390"],
[
# configure binaries for z/OS
AS_IF([test -z "$CC"],
[CC=`pwd`"/contrib/xcc"
chmod +x $CC || true])
AS_IF([test -z "$CPP"],
CPP="c89 -E")
AC_MSG_RESULT([[yes]])
],
[AC_MSG_RESULT([[no]])]
)
])
AC_MSG_CHECKING([for build type])
AC_ARG_ENABLE([build-type],
[AS_HELP_STRING([[--enable-build-type=TYPE]],
[enable build TYPE, a set of configuration parameters; individual settings ]
[(asserts, sanitizers, compiler and linker flags) can be overriden by ]
[additional configure parameters (debug, neutral, release, release-compact, ]
[release-hardened) [neutral]])],
[], [enable_build_type=neutral])
AS_IF([test "x${enable_build_type}" = "x"], [enable_build_type="neutral"])
AS_VAR_IF([enable_build_type], ["no"], [enable_build_type="neutral"])
AS_VAR_IF([enable_build_type], ["yes"], [AC_MSG_ERROR([[Missing TYPE for --enable-build-type=]])])
AS_CASE([${enable_build_type}],
[debug], [AC_MSG_RESULT([debug: enable asserts, sanitizers (if any supported), debug information, compiler optimisation for debugging])],
[neutral], [AC_MSG_RESULT([neutral: use only user-specified compiler and linker flags])],
[release], [AC_MSG_RESULT([release: disable asserts, enable compiler optimisations])],
[release-compact], [AC_MSG_RESULT([release-compact: disable asserts, enable compiler optimisations for size, enable compact code])],
[release-hardened], [AC_MSG_RESULT([release-hardened: disable asserts, enable compiler optimisations, enable linker and compiler hardening])],
[AC_MSG_ERROR([[Unknown build type: ${enable_build_type}]])]
)
AS_VAR_IF([enable_build_type], ["neutral"], [:],
[
# For all non-neutreal build types do not use automatic "-g -O2" for CFLAGS
AS_IF([test -z "${CFLAGS}"], [CFLAGS=""])
]
)
# Checks for programs.
AC_PROG_AWK
AC_PROG_GREP
AC_PROG_FGREP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_CANONICAL_HOST
m4_version_prereq([2.70],
[
# Find C compiler and compiler options to support
# the latest C standard (C11). Fallback to C99 and C89
# if later C versions are not supported.
AC_PROG_CC
],
[
# Find C compiler and compiler options to support
# the latest C standard (C99). Fallback to C89
# if later C versions are not supported.
AC_PROG_CC_STDC
]
)
# Workaround for libgcrypt
AS_IF([[test "x$lt_sysroot" != "x" && test "x$SYSROOT" = "x"]], [[SYSROOT="$lt_sysroot"]])
user_CFLAGS="$CFLAGS"
user_LDFLAGS="$LDFLAGS"
user_CPPFLAGS="$CPPFLAGS"
CFLAGS_ac=""
LDFLAGS_ac=""
CPPFLAGS_ac=""
MHD_SYS_EXT([CPPFLAGS_ac])
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
LT_INIT([win32-dll])
LT_LANG([Windows Resource])
CFLAGS="${user_CFLAGS}"
# Compiler options to always enable (if supported)
MHD_CHECK_ADD_CC_CFLAG([-fno-strict-aliasing], [CFLAGS_ac])
AS_VAR_IF([enable_build_type],["neutral"],[],
[ # Any non-neutral build types
MHD_CHECK_ADD_CC_CFLAGS([-Wall -Wnull-dereference -Wdeclaration-after-statement], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-Wredundant-decls -Wtrampolines -Wunsafe-loop-optimizations], [CFLAGS_ac])
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${user_LDFLAGS}"
MHD_CHECK_ADD_CC_LDFLAG([-Wl,--warn-common], [LDFLAGS_ac])
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
]
)
AS_VAR_IF([enable_build_type],["debug"],
[ # Debug build
CFLAGS="${user_CFLAGS}"
MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-Og], [-O0])
MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-ggdb3], [-g3], [-ggdb], [-g])
MHD_CHECK_ADD_CC_CFLAGS([-Wextra -Wdouble-promotion -Wformat=2 -Wformat-overflow=2 -Wformat-truncation=2], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-Wmissing-include-dirs -Wshift-overflow=2 -Wstringop-overflow=4 -Walloc-zero], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-Wduplicated-branches -Wduplicated-cond -Wfloat-equal -Wshadow -Wpointer-arith], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-Wbad-function-cast -Wcast-qual -Wcast-align=strict -Wwrite-strings -Wconversion], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-Wjump-misses-init -Wlogical-op -Waggregate-return -Wstrict-prototypes], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-Wold-style-definition -Wmissing-prototypes -Wformat-security -Wshift-negative-value], [CFLAGS_ac])
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${user_LDFLAGS}"
MHD_CHECK_ADD_CC_LDFLAG([-Wl,--enable-long-section-names], [LDFLAGS_ac])
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
]
)
AS_CASE([${enable_build_type}],[release|release-*],
[ # All release types
CFLAGS="${user_CFLAGS}"
AS_VAR_IF([enable_build_type],
[release-compact],
[
AC_CHECK_DECL([MHD_FAVOR_SMALL_CODE],[],
[AC_CHECK_DECL([MHD_FAVOR_FAST_CODE],[],
[MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-DMHD_FAVOR_SMALL_CODE=1])],
[/* no includes */])],[/* no includes */])
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-Oz], [-Os], [-O])
],
[ # All non-compact release types
AC_CHECK_DECL([MHD_FAVOR_SMALL_CODE],[],
[AC_CHECK_DECL([MHD_FAVOR_FAST_CODE],[],
[MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-DMHD_FAVOR_FAST_CODE=1])],
[/* no includes */])],[/* no includes */])
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac], [-O2], [-O])
MHD_CHECK_ADD_CC_CFLAGS([-fsched-pressure -fira-loop-pressure -fmerge-all-constants], [CFLAGS_ac]) # These flags may improve size, recheck with LTO and linker garbage collection
MHD_CHECK_ADD_CC_CFLAGS([-ftree-partial-pre -fgcse-after-reload -fipa-pta], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-fisolate-erroneous-paths-attribute -ffinite-loops -floop-nest-optimize], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-fpredictive-commoning -frename-registers], [CFLAGS_ac])
MHD_CHECK_ADD_CC_CFLAGS([-ftree-loop-distribute-patterns -fpeel-loops -fsplit-loops -ftree-vectorize], [CFLAGS_ac])
]
)
AS_VAR_IF([enable_build_type],
[release-hardened],
[
MHD_CHECK_ADD_CC_CFLAGS([-Wformat-security -Wstack-protector], [CFLAGS_ac])
]
)
AS_VAR_IF([enable_build_type],
[ # Flags are not suitable for 'compact' and for 'hardened'
MHD_CHECK_ADD_CC_CFLAGS([-ffast-math -fno-trapping-math], [CFLAGS_ac])
]
)
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
# W32-specific
LDFLAGS="${user_LDFLAGS}"
MHD_CHECK_ADD_CC_LDFLAG([-Wl,--disable-long-section-names], [LDFLAGS_ac])
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
]
)
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
# Check for headers that are ALWAYS required
AC_CHECK_HEADERS_ONCE([stdio.h string.h stdint.h errno.h limits.h fcntl.h], [],
[AC_MSG_ERROR([Compiling libmicrohttpd requires standard POSIX headers files])], [AC_INCLUDES_DEFAULT])
# Check for basic optional headers
AC_CHECK_HEADERS([stddef.h stdlib.h inttypes.h sys/types.h sys/stat.h unistd.h], [], [], [AC_INCLUDES_DEFAULT])
# Check for clock-specific optional headers
AC_CHECK_HEADERS([sys/time.h time.h], [], [], [AC_INCLUDES_DEFAULT])
# Check for system information and parameters optional headers
AC_CHECK_HEADERS([endian.h machine/endian.h sys/endian.h sys/byteorder.h \
sys/machine.h machine/param.h sys/param.h sys/isa_defs.h \
sys/ioctl.h], [], [], [AC_INCLUDES_DEFAULT])
# Check for network and sockets optional headers
AC_CHECK_HEADERS([sys/socket.h sys/select.h netinet/in.h arpa/inet.h \
netinet/ip.h netinet/tcp.h net/if.h \
netdb.h sockLib.h inetLib.h], [], [],
[AC_INCLUDES_DEFAULT
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif /* HAVE_SYS_TYPES_H */
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif /* HAVE_INTTYPES_H */
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif /* HAVE_SYS_SOCKET_H */
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif /* HAVE_NETINET_IN_H */
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif /* HAVE_NETINET_IP_H */
#ifdef HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif /* HAVE_NETINET_TCP_H */
]]
)
# Check for other optional headers
AC_CHECK_HEADERS([sys/msg.h sys/mman.h signal.h], [], [], [AC_INCLUDES_DEFAULT])
AC_CHECK_HEADER([[search.h]],
[
gl_FUNC_TSEARCH
AS_IF([[test "x$HAVE_TSEARCH" = "x1" && test "x$REPLACE_TSEARCH" != "x1"]],
[AC_DEFINE([[HAVE_SEARCH_H]], [[1]],
[Define to 1 if you have the <search.h> header file and your system have properly functioning tsearch(), tfind() and tdelete() functions])])
],
[], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL([MHD_HAVE_TSEARCH], [[test "x$ac_cv_header_search_h" = xyes && test "x$HAVE_TSEARCH" = "x1" && test "x$REPLACE_TSEARCH" != "x1"]])
# Optional headers used for tests
AC_CHECK_HEADERS([sys/sysctl.h netinet/ip_icmp.h netinet/icmp_var.h], [], [],
[[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif /* HAVE_SYS_TYPES_H */
#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
#endif /* HAVE_SYS_SYSCTL_H */
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif /* HAVE_SYS_SOCKET_H */
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif /* HAVE_NETINET_IN_H */
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif /* HAVE_NETINET_IP_H */
#ifdef HAVE_NETINET_IP_ICMP_H
#include <netinet/ip_icmp.h>
#endif /* HAVE_NETINET_IP_ICMP_H */
]]
)
AC_ARG_ENABLE([compiler-hardening],
[AS_HELP_STRING([--enable-compiler-hardening], [enable compiler security checks])],
[],
[AS_CASE([${enable_build_type}],[*-hardened],
[enable_compiler_hardening='yes'],[enable_compiler_hardening='no'])]
)
AS_VAR_IF([enable_compiler_hardening],["yes"],
[
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
AC_CHECK_DECL([_FORTIFY_SOURCE],
[MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-U_FORTIFY_SOURCE])],
[],[/* no includes */])
MHD_APPEND_FLAG_TO_VAR([CPPFLAGS_ac],[-D_FORTIFY_SOURCE=2])
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
CFLAGS="${user_CFLAGS}"
MHD_FIND_ADD_CC_CFLAG([CFLAGS_ac],[-fstack-protector-strong],[-fstack-protector-all],[-fstack-protector])
MHD_CHECK_ADD_CC_CFLAGS([-fstack-clash-protection -ftrivial-auto-var-init=pattern],[CFLAGS_ac])
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
AS_VAR_IF([pic_mode],["no"],[],
[
AS_VAR_IF([enable_shared],["yes"],[],
[
# PIE cannot be used for shared lib
# PIE static lib can be used within non-PIE application, but
# PIE static lib cannot be used in non-PIE shared lib. Let's assume
# that static lib will not be used in shared lib
CFLAGS="${user_CFLAGS}"
# Perform tests with "-pie" enabled
LDFLAGS="${LDFLAGS_ac} -pie ${user_LDFLAGS}"
MHD_CHECK_ADD_CC_CFLAG([-fPIE],[CFLAGS_ac],
[
MHD_APPEND_FLAG_TO_VAR([LDFLAGS_ac],[-pie])
],
[
MHD_CHECK_CC_CFLAG([-fpie],[CFLAGS_ac],
[
MHD_APPEND_FLAG_TO_VAR([LDFLAGS_ac],[-pie])
]
)
]
)
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
]
)
]
)
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
]
)
# Linker hardening options
# Currently these options are ELF specific, they don't work on Darwin and W32
AC_ARG_ENABLE([linker-hardening],
[AS_HELP_STRING([--enable-linker-hardening], [enable linker security fixups])],
[],
[AS_CASE([${enable_build_type}],[*-hardened],
[enable_linker_hardening='yes'],[enable_linker_hardening='no'])]
)
AS_VAR_IF([enable_linker_hardening],["yes"],
[
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${user_LDFLAGS}"
MHD_CHECK_ADD_CC_LDFLAG([-Wl,-z,relro],[LDFLAGS_ac],
[MHD_CHECK_ADD_CC_LDFLAG([-Wl,-z,now],[LDFLAGS_ac])])
# Actually should be "noexec" by default, but let's try to enforce it.
MHD_CHECK_ADD_CC_LDFLAG([-Wl,-z,noexecstack],[LDFLAGS_ac])
# W32-specific. Some are enabled by default, but they will be enfored to be sure.
MHD_CHECK_ADD_CC_LDFLAGS([-Wl,--large-address-aware -Wl,--enable-auto-image-base],[LDFLAGS_ac])
MHD_CHECK_ADD_CC_LDFLAGS([-Wl,--dynamicbase -Wl,--nxcompat -Wl,--high-entropy-va],[LDFLAGS_ac])
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
]
)
AH_TEMPLATE([[HAVE_STDBOOL_H]], [Define to 1 i][f you have the <stdbool.h> header file and <stdbool.h> defines 'bool' type.])
AH_TEMPLATE([[HAVE_REAL_BOOL]], [Define to 1 i][f you have the real boolean type.])
AH_TEMPLATE([[bool]], [Define to type name which will be used as boolean type.])
AC_CHECK_HEADER([stdbool.h],
[
AC_CHECK_TYPE([bool],
[
AC_DEFINE([[HAVE_STDBOOL_H]], [[1]])
AC_DEFINE([[HAVE_REAL_BOOL]], [[1]])
],
[
AC_MSG_WARN([[Header <stdbool.h> is present, but "bool" type cannot be detected. Check compiler flags.]])
AC_DEFINE([[bool]], [[int]])
], [
#include <stdbool.h>
]
)
],
[
AC_CHECK_TYPE([bool],
[AC_DEFINE([[HAVE_REAL_BOOL]], [[1]])],
[
AC_CHECK_TYPE([_Bool],
[
AC_DEFINE([[HAVE_REAL_BOOL]], [[1]])
AC_DEFINE([[bool]], [[_Bool]])
],
[
AC_DEFINE([[bool]], [[int]])
], []
)
], []
)
],
[AC_INCLUDES_DEFAULT]
)
AC_CACHE_CHECK([[whether "true" is defined or builtin]], [[mhd_cv_macro_true_defined]],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
]], [[
#if defined(true)
/* dummy */
#else
(void)true;
#endif
]])
], [[mhd_cv_macro_true_defined='yes']], [[mhd_cv_macro_true_defined='no']])
])
AS_VAR_IF([[mhd_cv_macro_true_defined]], [["yes"]], [[:]],
[AC_DEFINE([[true]],[[(!0)]], [Define to value interpreted by compiler as boolean "true", if "true" is not defined by system headers.])])
AC_CACHE_CHECK([[whether "false" is defined or builtin]], [[mhd_cv_macro_false_defined]],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
]], [[
#if !defined(false)
(void)false;
#else
/* dummy */
#endif
]])
], [[mhd_cv_macro_false_defined='yes']], [[mhd_cv_macro_false_defined='no']])
])
AS_VAR_IF([[mhd_cv_macro_false_defined]], [["yes"]], [[:]],
[AC_DEFINE([[false]],[[0]], [Define to value interpreted by compiler as boolean "false", if "false" is not defined by system headers.])])
AC_CACHE_CHECK([[whether "true" and "false" could be used]], [[mhd_cv_macro_true_false_valid]],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
]], [[
int var1[true ? 1 : -1] = { 1 };
int var2[false ? -1 : 1] = { 2 };
int var3[!true ? -1 : 1] = { 3 };
int var4[!false ? 1 : -1] = { 4 };
if (var1[0] == var2[0] || var3[0] == var4[0])
return 1;
]])
], [[mhd_cv_macro_true_false_valid='yes']], [[mhd_cv_macro_true_false_valid='no']])
])
AS_VAR_IF([[mhd_cv_macro_true_false_valid]], [["yes"]], [[:]],
[AC_MSG_ERROR([[Value of "true" or value of "false" is not valid. Check config.log for details.]])])
AX_CHECK_COMPILE_FLAG([[-Werror=attributes]],
[
AC_MSG_CHECKING([[whether -Werror=attributes actually works]])
CFLAGS="${CFLAGS_ac} ${user_CFLAGS} -Werror=attributes"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[__attribute__((non_existing_attrb_dummy)) int SimpleFunc(void) {return 3;}]], [[int r = SimpleFunc(); if (r) return r;]])],
[
AC_MSG_RESULT([[no]])
errattr_CFLAGS=""
], [
AC_MSG_RESULT([[yes]])
errattr_CFLAGS="-Werror=attributes"
])
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
],
[[errattr_CFLAGS=""]], [], [])
AC_MSG_CHECKING([[for function inline keywords supported by $CC]])
CFLAGS="${CFLAGS_ac} ${user_CFLAGS} $errattr_CFLAGS"
inln_prfx="none"
# Prefer always inline functions
for inln_prfx_chk in InlineWithAttr __forceinline inline __inline__ __inline _inline _Inline
do
# Try to link to avoid "symbol undefined" problems at build time
AS_IF([[test "x$inln_prfx_chk" = "xInlineWithAttr"]],
[
AS_IF([[test "x$errattr_CFLAGS" = "x"]],
[[ # Skip test with attribute as negative result can't be detected
inln_prfx_chk="__forceinline" # use next value
]],[[inln_prfx_chk="inline __attribute__((always_inline))"]])
])
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef __cplusplus
#error This test is only for C.
choke me
#endif
#ifdef HAVE_STDBOOL_H
#include <stdbool.h>
#endif
static $inln_prfx_chk bool cmpfn(int x, int y)
{ return x > y; }
static $inln_prfx_chk int sumfn(int x, int y)
{ return x + y; }
]],[[
int a = 1, b = 100, c;
if (cmpfn(a, b))
c = sumfn(a, b);
else
c = 0 - sumfn(a, b);
if (c)
return 0;
]])
],
[[ inln_prfx="$inln_prfx_chk" ]])
test "x$inln_prfx" != "xnone" && break
done
AS_IF([[test "x$inln_prfx" != "xnone"]],
[
AC_DEFINE([INLINE_FUNC],[1],[Define to 1 if your C compiler supports inline functions.])
AC_DEFINE_UNQUOTED([_MHD_static_inline],[static $inln_prfx],[Define to prefix which will be used with MHD static inline functions.])
], [
AC_DEFINE([_MHD_static_inline],[static],[Define to prefix which will be used with MHD static inline functions.])
])
AC_MSG_RESULT([[$inln_prfx]])
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
AC_CHECK_HEADERS([stdalign.h], [], [], [AC_INCLUDES_DEFAULT])
AC_CACHE_CHECK([[for C11 'alignof()' support]], [[mhd_cv_c_alignof]],
[AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDALIGN_H
#include <stdalign.h>
#endif
]], [[
int var1[(alignof(int) >= 2) ? 1 : -1];
int var2[alignof(unsigned int) - 1];
int var3[(alignof(char) > 0) ? 1 : -1];
int var4[(alignof(long) >= 4) ? 1 : -1];
/* Mute compiler warnings */
var1[0] = var2[0] = var3[0] = 0;
var4[0] = 1;
if (var1[0] + var2[0] + var3[0] == var4[0])
return 1;
]])
], [
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_STDALIGN_H
#include <stdalign.h>
#endif
]], [[
/* Should fail if 'alignof()' works */
int var1[alignof(nonexisting_type) - 1];
/* Mute compiler warnings */
var1[0] = 1;
if (var1[0] + 1 == 1)
return 1;
]])
], [[mhd_cv_c_alignof='no']], [[mhd_cv_c_alignof='yes']])
], [[mhd_cv_c_alignof='no']])
])
AS_VAR_IF([mhd_cv_c_alignof], ["yes"],
[AC_DEFINE([[HAVE_C_ALIGNOF]], [1], [Define to 1 if your compiler supports 'alignof()'])])
# Check system type
shutdown_trig_select='no'
AC_MSG_CHECKING([[for target host OS]])
AS_CASE(["$host_os"],
[*darwin* | *rhapsody* | *macosx*],
[AC_DEFINE_UNQUOTED(OSX,1,[This is an OS X system])
CFLAGS_ac="-no-cpp-precomp -fno-common $CFLAGS_ac"
mhd_host_os='Darwin'
AC_MSG_RESULT([[$mhd_host_os]])],
[kfreebsd*-gnu],
[AC_DEFINE([SOMEBSD],[1],[This is a BSD system])
AC_DEFINE_UNQUOTED([FREEBSD],[1],[This is a FreeBSD system])
mhd_host_os='FreeBSD kernel with GNU userland'
AC_MSG_RESULT([[$mhd_host_os]])],
[freebsd*],
[AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
AC_DEFINE_UNQUOTED(FREEBSD,1,[This is a FreeBSD system])
mhd_host_os='FreeBSD'
AC_MSG_RESULT([[$mhd_host_os]])],
[openbsd*],
[AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
AC_DEFINE_UNQUOTED(OPENBSD,1,[This is an OpenBSD system])
mhd_host_os='OpenBSD'
AC_MSG_RESULT([[$mhd_host_os]])],
[netbsd*],
[AC_DEFINE_UNQUOTED(SOMEBSD,1,[This is a BSD system])
AC_DEFINE_UNQUOTED(NETBSD,1,[This is a NetBSD system])
mhd_host_os='NetBSD'
AC_MSG_RESULT([[$mhd_host_os]])],
[*solaris*],
[AC_DEFINE_UNQUOTED(SOLARIS,1,[This is a Solaris system])
AC_DEFINE_UNQUOTED(_REENTRANT,1,[Need with solaris or errno does not work])
mhd_host_os='Solaris'
AC_MSG_RESULT([[$mhd_host_os]])
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_SEARCH_LIBS([socket], [socket])],
[*arm-linux*],
[AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
mhd_host_os='ARM Linux'
AC_MSG_RESULT([[$mhd_host_os]])
CFLAGS_ac="-fPIC -pipe $CFLAGS_ac"],
[*linux*],
[AC_DEFINE_UNQUOTED(LINUX,1,[This is a Linux kernel])
mhd_host_os='Linux'
AC_MSG_RESULT([[$mhd_host_os]])],
[*cygwin*],
[AC_DEFINE_UNQUOTED(CYGWIN,1,[This is a Cygwin system])
mhd_host_os='Windows/Cygwin'
AC_MSG_RESULT([[$mhd_host_os]])
os_is_windows=yes],
[*mingw*],
[
AC_DEFINE([MINGW],[1],[This is a MinGW system])
AC_DEFINE([WINDOWS],[1],[This is a Windows system])
mhd_host_os='Windows/MinGW'
AC_MSG_RESULT([[$mhd_host_os]])
LIBS="-lws2_32 ${LIBS}"
AC_CHECK_HEADERS([winsock2.h ws2tcpip.h], [], [AC_MSG_ERROR([[Winsock2 headers are required for W32]])], [AC_INCLUDES_DEFAULT])
AC_CACHE_CHECK([for MS lib utility], [ac_cv_use_ms_lib_tool],
[mslibcheck=`lib 2>&1`
AS_IF([echo "$mslibcheck" | $GREP -e '^Microsoft (R) Library Manager' - >/dev/null],
[ac_cv_use_ms_lib_tool=yes],
[ac_cv_use_ms_lib_tool=no])
])
AS_IF([test "x$ac_cv_use_ms_lib_tool" = "xyes"],
[AC_SUBST([MS_LIB_TOOL], [[lib]])])
AC_SUBST([lt_cv_objdir])
os_is_windows=yes
os_is_native_w32=yes
],
[*openedition*],
[AC_DEFINE_UNQUOTED(OS390,1,[This is a OS/390 system])
mhd_host_os='OS/390'
AC_MSG_RESULT([[$mhd_host_os]])],
[gnu*],
[AC_DEFINE([[GNU_HURD]], [[1]], [Define to `1' if host machine runs on GNU Hurd.])
mhd_host_os='GNU Hurd'
AC_MSG_RESULT([[$mhd_host_os]])
],
[
AC_MSG_RESULT([unrecognised OS])
mhd_host_os="${host_os}"
AC_MSG_WARN([Unrecognised OS $host_os])
AC_DEFINE_UNQUOTED(OTHEROS,1,[Some strange OS])
])
AM_CONDITIONAL([CYGWIN_TARGET], [[test "x$os_is_windows" = "xyes" && \
test "x${os_is_native_w32}" != "xyes"]])
AS_VAR_IF([os_is_windows], ["yes"],
[
AC_MSG_CHECKING([[whether target W32 version is specified by precompiler defines]])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
/* Note: check logic is reversed for easy log reading */
#ifdef WINVER
#error WINVER is defined
choke me now;
#endif
#ifdef _WIN32_WINNT
#error _WIN32_WINNT is defined
choke me now;
#endif
#ifdef NTDDI
#error NTDDI is defined
choke me now;
#endif
]],[[(void)0]])
], [[mhd_w32_ver_preselect=no]], [[mhd_w32_ver_preselect=yes]]
)
AC_MSG_RESULT([[${mhd_w32_ver_preselect}]])
AC_CHECK_HEADERS([windows.h sdkddkver.h], [], [], [AC_INCLUDES_DEFAULT])
AS_VAR_IF([mhd_w32_ver_preselect],["yes"],
[
AC_MSG_CHECKING([[for specified target W32 version]])
AS_UNSET([[mhd_w32_ver]])
AS_UNSET([[mhd_w32_ver_msg]])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#if _WIN32_WINNT+0 < 0x0501
/* Check before headers inclusion */
#error _WIN32_WINNT is less than 0x0501
choke me now;
#endif
#ifdef HAVE_SDKDDKVER_H
#include <sdkddkver.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#if _WIN32_WINNT+0 < 0x0501
#error _WIN32_WINNT is less than 0x0501
choke me now;
#endif
]],[[(void)0]])
], [], [
AC_MSG_RESULT([[pre-WinXP]])
AC_MSG_ERROR([[libmicrohttpd cannot be compiled for Windows version before Windows XP]])
]
)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SDKDDKVER_H
#include <sdkddkver.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#if _WIN32_WINNT+0 == 0x0501
#error _WIN32_WINNT is 0x0501
choke me now;
#endif
#if _WIN32_WINNT+0 == 0x0502
#error _WIN32_WINNT is 0x0502
choke me now;
#endif
]],[[(void)0]])
], [], [
mhd_w32_ver="WinXP"
mhd_w32_ver_msg="WinXP (selected by precompiler flags)"
]
)
AS_VAR_SET_IF([mhd_w32_ver], [],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SDKDDKVER_H
#include <sdkddkver.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#if _WIN32_WINNT+0 < 0x0600
#error _WIN32_WINNT is less than 0x0600 but greater than 0x0502
choke me now;
#endif
]],[[(void)0]])
], [], [
AC_MSG_ERROR([[_WIN32_WINNT value is wrong (less than 0x0600 but greater than 0x0502)]])
]
)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SDKDDKVER_H
#include <sdkddkver.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#if _WIN32_WINNT+0 == 0x0600
#error _WIN32_WINNT is 0x0600
choke me now;
#endif
]],[[(void)0]])
], [], [
mhd_w32_ver="Vista"
mhd_w32_ver_msg="Vista (selected by precompiler flags)"
]
)
]
)
AS_VAR_SET_IF([mhd_w32_ver], [],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SDKDDKVER_H
#include <sdkddkver.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#if _WIN32_WINNT+0 > 0x0600
#error _WIN32_WINNT is greater than 0x0600
choke me now;
#endif
]],[[(void)0]])
], [
mhd_w32_ver="unknown"
mhd_w32_ver_msg="unknown (cannot be detected)"
], [
mhd_w32_ver="newer than Vista"
mhd_w32_ver_msg="newer than Vista (selected by precompiler flags)"
]
)
]
)
AC_MSG_RESULT([[${mhd_w32_ver}]])
], [
mhd_w32_ver="Vista"
mhd_w32_ver_msg="Vista (default, override by CPPFLAGS=-D_WIN32_WINNT=0xNNNN)"
CPPFLAGS_ac="${CPPFLAGS_ac} -D_WIN32_WINNT=0x0600"
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
AC_MSG_CHECKING([[whether headers accept _WIN32_WINNT=0x0600]])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_SDKDDKVER_H
#include <sdkddkver.h>
#endif
#ifdef HAVE_WINDOWS_H
#include <windows.h>
#endif
#include <stdio.h>
]],[[(void)0]])
], [
AC_MSG_RESULT([[yes]])
], [
AC_MSG_RESULT([[no]])
AC_MSG_ERROR([Headers do not accept _WIN32_WINNT=0x0600. Consider override target W32 version by CPPFLAGS=-D_WIN32_WINNT=0xNNNN])
]
)
]
)
]
)
AS_IF([test "x${os_is_windows}" = "xyes" && test "x${os_is_native_w32}" = "xyes"],
[
AC_CACHE_CHECK([W32 run-time library type], [mhd_cv_wctr_type],
[
AC_EGREP_CPP([MHDMARKER: UCRT run-time library in use!], [
#include <stdio.h>
#if defined(_UCRT)
#define CRT_STR "MHDMARKER: UCRT run-time library in use!"
#endif
#if defined(__MSVCRT_VERSION__)
#if (__MSVCRT_VERSION__ >= 0xE00) && (__MSVCRT_VERSION__ < 0x1000)
#define CRT_STR "MHDMARKER: UCRT run-time library in use!"
#endif
#if (__MSVCRT_VERSION__ > 0x1400)
#define CRT_STR "MHDMARKER: UCRT run-time library in use!"
#endif
#endif
#ifndef CRT_STR
#define CRT_STR "MHDMARKER: MSVCRT run-time library in use!"
#endif
int main(void)
{
printf ("%\n", CRT_STR);
return 0;
}
],
[mhd_cv_wctr_type="ucrt"], [mhd_cv_wctr_type="msvcrt"])
]
)
mhd_host_os="${mhd_host_os}-${mhd_cv_wctr_type}"
AS_VAR_IF([mhd_cv_wctr_type], ["msvcrt"],
[
# Use CFLAGS here to override user-supplied wrong CPPFLAGS. Durty trick, but choice is limited.
AX_APPEND_COMPILE_FLAGS([-U__USE_MINGW_ANSI_STDIO -D__USE_MINGW_ANSI_STDIO=0], [CFLAGS_ac])
AC_SUBST([W32CRT], [MSVCRT])
], [AC_SUBST([W32CRT], [UCRT])]
)
]
)
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
AC_ARG_WITH([threads],
[AS_HELP_STRING([--with-threads=LIB],[choose threading library (posix, w32, auto, none) [auto]])],
[], [with_threads='auto'])
AS_CASE([[$with_threads]],
[[win32]], [[with_threads='w32']],
[[pthreads]], [[with_threads='posix']],
[[posix]], [[:]],
[[w32]], [[:]],
[[none]], [[with_threads='none']],
[[no]], [[with_threads='none']],
[[auto]], [[:]],
[AC_MSG_ERROR([[incorrect parameter "$with_threads" specified for --with-threads]])]
)
# Check for posix threads support, regardless of configure parameters as
# testsuite uses only posix threads.
AX_PTHREAD(
[
mhd_have_posix_threads='yes'
AC_DEFINE([[HAVE_PTHREAD_H]],[[1]],[Define to 1 if you have the <pthread.h> header file.])
AC_CACHE_CHECK([[whether pthread_sigmask(3) is available]],
[[mhd_cv_func_pthread_sigmask]], [dnl
save_LIBS="$LIBS"
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="${CFLAGS_ac} ${PTHREAD_CFLAGS} ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <signal.h>]],
[[
sigset_t nset, oset;
sigemptyset (&nset);
sigaddset (&nset, SIGPIPE);
if (0 != pthread_sigmask(SIG_BLOCK, &nset, &oset)) return 1;
]])],
[[mhd_cv_func_pthread_sigmask="yes"]],[[mhd_cv_func_pthread_sigmask="no"]])
LIBS="${save_LIBS}"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
])
AS_VAR_IF([mhd_cv_func_pthread_sigmask],["yes"],
[AC_DEFINE([[HAVE_PTHREAD_SIGMASK]],[[1]],[Define to 1 if you have the pthread_sigmask(3) function.])])
],[[mhd_have_posix_threads='no']])
AM_CONDITIONAL([HAVE_POSIX_THREADS],[test "x$mhd_have_posix_threads" = "xyes"])
mhd_have_w32_threads='no'
AS_IF([[test "x$with_threads" = "xauto"]],
[
AS_IF([[test "x$os_is_windows" = "xyes"]],
[
AC_MSG_CHECKING([[for W32 threads]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <windows.h>
]], [ HANDLE h = CreateThread(NULL, 0, NULL, NULL, 0, NULL);])]
, [[mhd_have_w32_threads='yes']], [[mhd_have_w32_threads='no']]
)
AC_MSG_RESULT([[$mhd_have_w32_threads]])
])
]
)
AC_MSG_CHECKING([[for threading lib to use with libmicrohttpd ($with_threads)]])
AS_IF([test "x$with_threads" = "xposix"],
[ # forced posix threads
AS_IF([test "x$mhd_have_posix_threads" = "xyes"], [USE_THREADS='posix'],
[ AS_IF([[test "x$os_is_windows" = "xyes"]] ,
[ AC_MSG_ERROR([[Posix threads are not available. Try to configure --with-threads=auto]])],
[ AC_MSG_ERROR([[No threading lib is available. Consider installing pthreads]])] )
])
])
AS_IF([test "x$with_threads" = "xw32"],
[ # forced w32 threads
AS_IF([[test "x$mhd_have_w32_threads" = "xyes"]],
[[ USE_THREADS='w32' ]],
[ AC_MSG_ERROR([[W32 threads are not available. Try to configure --with-threads=auto]])])
])
AS_IF([test "x$with_threads" = "xauto"],
[# automatic threads lib selection
AS_IF([[test "x$os_is_native_w32" = "xyes" && test "x$mhd_have_w32_threads" = "xyes"]] ,
[[ USE_THREADS='w32' ]] ,
[[ test "x$mhd_have_posix_threads" = "xyes" ]], [[ USE_THREADS='posix' ]],
[[ test "x$mhd_have_w32_threads" = "xyes" ]], [[ USE_THREADS='w32' ]],
[ AC_MSG_ERROR([[No threading lib is available. Consider installing pthreads]]) ]
)])
AS_IF([test "x$with_threads" = "xnone"],
[USE_THREADS='none'])
AS_IF([test "x$USE_THREADS" = "xposix"],
[CC="$PTHREAD_CC"
AC_DEFINE([MHD_USE_POSIX_THREADS],[1],[define to use pthreads])
MHD_LIB_CFLAGS="$MHD_LIB_CFLAGS $PTHREAD_CFLAGS"
MHD_LIBDEPS="$PTHREAD_LIBS $MHD_LIBDEPS"
MHD_LIBDEPS_PKGCFG="$PTHREAD_LIBS $MHD_LIBDEPS_PKGCFG"],
[AS_IF([test "x$USE_THREADS" = "xw32"],
[AC_DEFINE([MHD_USE_W32_THREADS],[1],[define to use W32 threads])])])
AM_CONDITIONAL([USE_POSIX_THREADS], [test "x$USE_THREADS" = "xposix"])
AM_CONDITIONAL([USE_W32_THREADS], [test "x$USE_THREADS" = "xw32"])
AM_CONDITIONAL([USE_THREADS], [test "x$USE_THREADS" != "xnone"])
AM_CONDITIONAL([DISABLE_THREADS], [test "x$USE_THREADS" = "xnone"])
AC_MSG_RESULT([$USE_THREADS])
AC_ARG_ENABLE([[thread-names]],
[AS_HELP_STRING([--disable-thread-names],[do not set names on MHD generated threads [auto]])],
[], [enable_thread_names='auto'])
AS_IF([test "x$enable_thread_names" != "xno" && test "x$USE_THREADS" = "xposix"],[
# Check for thread name function
HAVE_THREAD_NAME_FUNC="no"
SAVE_LIBS="$LIBS"
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="${CFLAGS_ac} $PTHREAD_CFLAGS ${user_CFLAGS}"
AC_CHECK_HEADERS([pthread_np.h],[],[],
[
AC_INCLUDES_DEFAULT
[
#include <pthread.h>
]
])
# Try to find how to set thread name by thread attributes.
# If pthread_attr_setname_np(3) is not declared, it's not possible to detect
# form of pthread_attr_setname_np(3) due to C "feature" "implicit declaration".
AC_CHECK_DECL([[pthread_attr_setname_np]],[],[],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]])
AS_IF([[test "x$ac_cv_have_decl_pthread_attr_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_attr_setname_np(3) in NetBSD or OSF1 form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[
pthread_attr_t thr_attr;
pthread_attr_init(&thr_attr);
pthread_attr_setname_np(&thr_attr, "name", 0);
pthread_attr_destroy(&thr_attr);
]])],
[AC_DEFINE([[HAVE_PTHREAD_ATTR_SETNAME_NP_NETBSD]], [[1]], [Define if you have NetBSD form (or OSF1 form) of pthread_attr_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_attr_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_attr_setname_np(3) in IBM i or Solaris form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[
pthread_attr_t thr_attr;
pthread_attr_init(&thr_attr);
pthread_attr_setname_np(&thr_attr, "name");
pthread_attr_destroy(&thr_attr);
]])],
[AC_DEFINE([[HAVE_PTHREAD_ATTR_SETNAME_NP_IBMI]], [[1]], [Define if you have IBM i form (or Solaris form) of pthread_attr_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
# Try to find how to set thread name for started thread - less convenient
# than setting name by attributes.
# If pthread_setname_np(3) is not declared, it's not possible to detect
# form of pthread_setname_np(3) due to C "feature" "implicit declaration".
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes"]],
[AC_CHECK_DECL([[pthread_setname_np]],[],[],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]])
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_setname_np(3) in NetBSD or OSF1 form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[int res = pthread_setname_np(pthread_self(), "name", 0); if (res) return res;]])],
[AC_DEFINE([[HAVE_PTHREAD_SETNAME_NP_NETBSD]], [[1]], [Define if you have NetBSD form (or OSF1 form) of pthread_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_setname_np(3) in GNU/Linux form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[int res = pthread_setname_np(pthread_self(), "name"); if (res) return res;]])],
[AC_DEFINE([[HAVE_PTHREAD_SETNAME_NP_GNU]], [[1]], [Define if you have GNU/Linux form of pthread_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes" && test "x$ac_cv_have_decl_pthread_setname_np" = "xyes"]],
[AC_MSG_CHECKING([[for pthread_setname_np(3) in Darwin form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[int res = pthread_setname_np("name"); if (res) return res;]])],
[AC_DEFINE([[HAVE_PTHREAD_SETNAME_NP_DARWIN]], [[1]], [Define if you have Darwin form of pthread_setname_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
])
AS_IF([[test "x$HAVE_THREAD_NAME_FUNC" != "xyes"]],
[
AC_CHECK_DECL([[pthread_set_name_np]],
[
AC_MSG_CHECKING([[for pthread_set_name_np(3) in FreeBSD form]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]], [[pthread_set_name_np(pthread_self(), "name");]])],
[AC_DEFINE([[HAVE_PTHREAD_SET_NAME_NP_FREEBSD]], [[1]], [Define if you have FreeBSD form of pthread_set_name_np(3) function.])
HAVE_THREAD_NAME_FUNC="yes"
AC_MSG_RESULT([[yes]])],
[AC_MSG_RESULT([[no]])]
)
],[],[[
#include <pthread.h>
#ifdef HAVE_PTHREAD_NP_H
#include <pthread_np.h>
#endif
]]
)
])
LIBS="$SAVE_LIBS"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
])
AS_IF([[test "x$enable_thread_names" != "xno"]],
[
AC_MSG_CHECKING([[whether to enable thread names]])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [[
#ifdef MHD_NO_THREAD_NAMES
#error Thread names are disabled.
choke me
#endif
/* Keep in sync with mhd_threads.h */
#if defined(MHD_USE_POSIX_THREADS) && (defined(HAVE_PTHREAD_ATTR_SETNAME_NP_NETBSD) || defined(HAVE_PTHREAD_ATTR_SETNAME_NP_IBMI) || \
defined(HAVE_PTHREAD_SETNAME_NP_GNU) || defined(HAVE_PTHREAD_SET_NAME_NP_FREEBSD) || defined(HAVE_PTHREAD_SETNAME_NP_DARWIN) || \
defined(HAVE_PTHREAD_SETNAME_NP_NETBSD) )
(void) 0; /* no-op */
#elif defined(MHD_USE_W32_THREADS) && defined(_MSC_FULL_VER)
(void) 0; /* no-op */
#else
#error No thread name function is available.
choke me
#endif
]])
], [
enable_thread_names='yes'
], [
AS_IF([[test "x$enable_thread_names" = "xyes"]],
[
AC_MSG_RESULT([[no]])
AC_MSG_ERROR([[thread names was explicitly requested, but thread name function is not available]])
])
enable_thread_names='no'
])
AC_MSG_RESULT([[$enable_thread_names]])
])
AS_IF([[test "x$enable_thread_names" = "xno"]],
[AC_DEFINE([[MHD_NO_THREAD_NAMES]], [[1]], [Define to 1 to disable setting name on generated threads])])
AM_CONDITIONAL(HAVE_W32, [test "x$os_is_native_w32" = "xyes"])
w32_shared_lib_exp=no
AS_IF([test "x$enable_shared" = "xyes" && test "x$os_is_native_w32" = "xyes"],
[
AS_IF([test "x$ac_cv_use_ms_lib_tool" = "xyes" || test -n "$DLLTOOL"],
[
w32_shared_lib_exp=yes
use_expfile="no"
AS_VAR_IF([ac_cv_use_ms_lib_tool], ["yes"], [use_expfile="yes"],
[
AC_CACHE_CHECK([whether $DLLTOOL supports export file generation], [mhd_cv_dlltool_expfile],
[
AS_IF([AC_RUN_LOG([$DLLTOOL -e conftest.exp >&2 ])],
[
AS_IF([test -f conftest.exp], [mhd_cv_dlltool_expfile="yes"], [mhd_cv_dlltool_expfile="no"])
], [mhd_cv_dlltool_expfile="no"]
)
rm -f conftest.exp
]
)
use_expfile="${mhd_cv_dlltool_expfile}"
]
)
],
[
AC_MSG_WARN([[GNU dlltool or MS lib.exe is required for creating shared library export on W32]])
AC_MSG_WARN([[Export library libmicrohttpd.lib will not be created]])
]
)
]
)
AM_CONDITIONAL([W32_SHARED_LIB_EXP], [test "x$w32_shared_lib_exp" = "xyes"])
AM_CONDITIONAL([USE_MS_LIB_TOOL], [test "x$ac_cv_use_ms_lib_tool" = "xyes"])
AM_CONDITIONAL([USE_EXPORT_FILE], [test "x$use_expfile" = "xyes"])
MHD_CHECK_SOCKET_SHUTDOWN_TRIGGER([AC_DEFINE([HAVE_LISTEN_SHUTDOWN],[1],[can use shutdown on listen sockets])])
AM_CONDITIONAL([HAVE_LISTEN_SHUTDOWN], [test "x$mhd_cv_host_shtdwn_trgr_select" = "xyes"])
# SENDMSG. Should we check for SCM_RIGHTS instead?
# https://lists.x.org/archives/xorg-devel/2013-November/038687.html
AC_SEARCH_LIBS([sendmsg], [socket], [AC_DEFINE([HAVE_SENDMSG],[1],[Define if your platform supports sendmsg])])
AC_CHECK_FUNCS([writev])
AC_C_BIGENDIAN
AC_C_VARARRAYS
AC_CACHE_CHECK([[whether __func__ magic-macro is available]],
[[mhd_cv_macro___func___avail]], [dnl
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>]],[[const char *funcname = __func__ ; if (NULL == funcname) return 1;]])],
[[mhd_cv_macro___func___avail="yes"]],[[mhd_cv_macro___func___avail="no"]])
])
AS_VAR_IF([mhd_cv_macro___func___avail], ["yes"],
[AC_DEFINE([HAVE___FUNC__], [1], [Define to 1 if your compiler supports __func__ magic-macro.])],
[
AC_CACHE_CHECK([[whether __FUNCTION__ magic-macro is available]],
[[mhd_cv_macro___function___avail]], [dnl
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stddef.h>]],[[const char *funcname = __FUNCTION__ ; if (NULL == funcname) return 1;]])],
[[mhd_cv_macro___function___avail="yes"]],[[mhd_cv_macro___function___avail="no"]])
])
AC_DEFINE([HAVE___FUNCTION__], [1], [Define to 1 if your compiler supports __FUNCTION__ magic-macro.])
]
)
AC_CACHE_CHECK([[whether __builtin_bswap32() is available]],
[[mhd_cv_func___builtin_bswap32_avail]], [dnl
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include<stdint.h>]], [[uint32_t a = 1; uint32_t b = __builtin_bswap32(a); a = b;]])],
[[mhd_cv_func___builtin_bswap32_avail="yes"]],[[mhd_cv_func___builtin_bswap32_avail="no"]])
])
AS_IF([[test "x$mhd_cv_func___builtin_bswap32_avail" = "xyes"]],
[AC_DEFINE([[MHD_HAVE___BUILTIN_BSWAP32]], [[1]], [Define to 1 if you have __builtin_bswap32() builtin function])])
AC_CACHE_CHECK([[whether __builtin_bswap64() is available]],
[[mhd_cv_func___builtin_bswap64_avail]], [dnl
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include<stdint.h>]], [[uint64_t a = 1; uint32_t b = __builtin_bswap64(a); a = b;]])],
[[mhd_cv_func___builtin_bswap64_avail="yes"]], [[mhd_cv_func___builtin_bswap64_avail="no"]])
])
AS_IF([[test "x$mhd_cv_func___builtin_bswap64_avail" = "xyes"]],
[AC_DEFINE([[MHD_HAVE___BUILTIN_BSWAP64]], [[1]], [Define to 1 if you have __builtin_bswap64() builtin function])])
AC_CHECK_PROG([HAVE_CURL_BINARY],[curl],[yes],[no])
AM_CONDITIONAL([HAVE_CURL_BINARY],[test "x$HAVE_CURL_BINARY" = "xyes"])
AC_CHECK_PROG([HAVE_MAKEINFO_BINARY],[makeinfo],[yes],[no])
AM_CONDITIONAL([HAVE_MAKEINFO_BINARY],[test "x$HAVE_MAKEINFO_BINARY" = "xyes"])
AM_CONDITIONAL(W32_STATIC_LIB, [test "x$os_is_native_w32" = "xyes" && test "x$enable_static" = "xyes"])
AC_ARG_ENABLE([[doc]],
[AS_HELP_STRING([[--disable-doc]], [do not build any documentation])], ,
[enable_doc=yes])
test "x$enable_doc" = "xno" || enable_doc=yes
AM_CONDITIONAL([BUILD_DOC], [test "x$enable_doc" = "xyes"])
AC_ARG_ENABLE([[examples]],
[AS_HELP_STRING([[--disable-examples]], [do not build any examples])], ,
[enable_examples=yes])
test "x$enable_examples" = "xno" || enable_examples=yes
AM_CONDITIONAL([BUILD_EXAMPLES], [test "x$enable_examples" = "xyes"])
AC_ARG_ENABLE([[heavy-tests]],
[AS_HELP_STRING([[--enable-heavy-tests]], [use heavy tests in test-suite. WARNING:]
[a dedicated host with minimal number of background processes and no network]
[activity is recommended to enable.])], [],
[enable_heavy_tests=no])
AS_VAR_IF([enable_heavy_tests], ["yes"],
[
HEAVY_TESTS_NOTPARALLEL='.NOTPARALLEL:'
AC_DEFINE([_MHD_HEAVY_TESTS], [1], [Define to 1 to enable "heavy" test paths.])
],
[
enable_heavy_tests=no
HEAVY_TESTS_NOTPARALLEL=" "
]
)
AM_CONDITIONAL([HEAVY_TESTS],[test "x$enable_heavy_tests" = "xyes"])
AC_ARG_ENABLE([[poll]],
[AS_HELP_STRING([[--enable-poll[=ARG]]], [enable poll support (yes, no, auto) [auto]])],
[enable_poll=${enableval}],
[enable_poll='auto']
)
AS_IF([test "$enable_poll" != "no"],
[AS_IF([test "$os_is_native_w32" != "yes"],
AC_CHECK_HEADERS([poll.h],
[AC_CHECK_FUNCS([poll], [have_poll='yes'], [have_poll='no'])],
[],
[AC_INCLUDES_DEFAULT]),
[AC_MSG_CHECKING([for WSAPoll()])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <winsock2.h>
]],[[
WSAPOLLFD fda[2];
WSAPoll(fda, 2, 0);]])],
[have_poll='yes'
AC_DEFINE([HAVE_POLL],[1])
],[have_poll='no'])
AC_MSG_RESULT([$have_poll])])
AS_IF([test "$enable_poll" = "yes" && test "$have_poll" != "yes"],
[AC_MSG_ERROR([[Support for poll was explicitly requested but cannot be enabled on this platform.]])])
enable_poll="$have_poll"])
AC_ARG_ENABLE([[epoll]],
[AS_HELP_STRING([[--enable-epoll[=ARG]]], [enable epoll support (yes, no, auto) [auto]])],
[enable_epoll=${enableval}],
[enable_epoll='auto']
)
AS_IF([test "$enable_epoll" != "no"],
[
AX_HAVE_EPOLL
AS_IF([test "${ax_cv_have_epoll}" = "yes"],
[
AC_DEFINE([[EPOLL_SUPPORT]],[[1]],[Define to 1 to enable epoll support])
enable_epoll='yes'
],
[
AS_IF([test "$enable_epoll" = "yes"],
[AC_MSG_ERROR([[Support for epoll was explicitly requested but cannot be enabled on this platform.]])]
)
enable_epoll='no'
]
)
]
)
AM_CONDITIONAL([MHD_HAVE_EPOLL], [[test "x$enable_epoll" = xyes]])
AS_IF([test "x$enable_epoll" = "xyes"],
AC_CACHE_CHECK([for epoll_create1()],
[mhd_cv_have_epoll_create1], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/epoll.h>
]], [[
int fd;
fd = epoll_create1(EPOLL_CLOEXEC);]])],
[mhd_cv_have_epoll_create1=yes],
[mhd_cv_have_epoll_create1=no])])
AS_IF([test "x$mhd_cv_have_epoll_create1" = "xyes"],[
AC_DEFINE([[HAVE_EPOLL_CREATE1]], [[1]], [Define if you have epoll_create1 function.])]))
AC_CACHE_CHECK([for suported 'noreturn' keyword], [mhd_cv_decl_noreturn],
[
mhd_cv_decl_noreturn="none"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS} ${errattr_CFLAGS}"
for decl_noret in '_Noreturn' '__attribute__((__noreturn__))' '__declspec(noreturn)'
do
AC_LINK_IFELSE([AC_LANG_SOURCE(
[[
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
${decl_noret} void myexitfunc(int code)
{
#ifdef HAVE_STDLIB_H
exit (code);
#else
(void)code;
#endif
}
int main (int argc, char *const *argv)
{
(void) argv;
if (argc > 2)
myexitfunc (2);
return 0;
}
]]
)], [mhd_cv_decl_noreturn="${decl_noret}"]
)
AS_IF([test "x${mhd_cv_decl_noreturn}" != "xnone"], [break])
done
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
]
)
AS_VAR_IF([mhd_cv_decl_noreturn], ["none"],
[AC_DEFINE([_MHD_NORETURN], [], [Define to supported 'noreturn' function declaration])],
[AC_DEFINE_UNQUOTED([_MHD_NORETURN], [${mhd_cv_decl_noreturn}], [Define to supported 'noreturn' function declaration])]
)
# Check for types sizes
# Types sizes are used as an indirect indication of maximum allowed values for types
# which is used to exclude by preprocessor some compiler checks for values clips
# Assuming no staffing or uniform staffing for integer types
AC_CACHE_CHECK([size of tv_sec member of struct timeval], [mhd_cv_size_timeval_tv_sec],
[
AC_COMPUTE_INT([mhd_cv_size_timeval_tv_sec], [((long int)sizeof(test_var.tv_sec))],
[[
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif /* HAVE_SYS_TIME_H */
#ifdef HAVE_TIME_H
#include <time.h>
#endif /* HAVE_TIME_H */
#if HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif /* HAVE_SYS_TYPES_H */
struct timeval test_var;
]],
[
# The size is used only to exclude additional checks/comparison in code
# to avoid compiler warnings. With larger size MHD code will use
# additional checks which ensure that value will fit but it may produce
# a harmless compiler warning.
AC_MSG_WARN([The size cannot be determined, assuming 8.])
mhd_cv_size_timeval_tv_sec=8
]
)
]
)
AC_DEFINE_UNQUOTED([SIZEOF_STRUCT_TIMEVAL_TV_SEC], [$mhd_cv_size_timeval_tv_sec],
[The size of `tv_sec' member of `struct timeval', as computed by sizeof])
AC_CHECK_SIZEOF([uint64_t], [], [[#include <stdint.h>]])
AC_CHECK_SIZEOF([unsigned int], [], [[#include <stdint.h>]])
AC_CHECK_SIZEOF([size_t], [],
[[
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif /* HAVE_STDLIB_H */
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif /* HAVE_STDDEF_H */
#include <stdio.h>
]]
)
AC_CHECK_SIZEOF([unsigned long long], [], [[#include <stdint.h>]])
AC_CHECK_HEADERS([dlfcn.h],[have_tlsplugin=yes],[have_tlsplugin=no], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL([MHD_HAVE_TLS_PLUGIN], [[test "x$have_tlsplugin" = xyes]])
AC_CHECK_HEADERS([zlib.h],[have_zlib=yes],[have_zlib=no], [AC_INCLUDES_DEFAULT])
AM_CONDITIONAL([HAVE_ZLIB], [[test "x$have_zlib" = xyes]])
# Check for generic functions
MHD_CHECK_FUNC([random],
[
AC_INCLUDES_DEFAULT
[#include <stdlib.h>
]],
[[long int r = random(); (void)r;]],
[],
[
MHD_CHECK_FUNC([rand],
[
AC_INCLUDES_DEFAULT
[#include <stdlib.h>
]],
[[int r = rand(); (void)r;]],
)
]
)
AC_CHECK_MEMBERS([struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len,
struct sockaddr_storage.ss_len],
[], [],
[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
])
MHD_CHECK_FUNC([getsockname],
[[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
]],
[
struct sockaddr_storage ss;
(void)getsockname(socket(0,0,0),(struct sockaddr *)&ss,(void*)0);
],
[
AC_CACHE_CHECK([[whether getsockname() is usable]], [[mhd_cv_getsockname_usable]],
[
AC_RUN_IFELSE(
[
AC_LANG_SOURCE(
[[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
static void zr_mem(void *ptr, socklen_t size)
{ char *mem = ptr; while(size--) {mem[0] = 0; mem++;} }
int main(void)
{
const socklen_t c_addr_size = (socklen_t)sizeof(struct sockaddr_in);
struct sockaddr_in sa;
socklen_t addr_size;
int ret = 1;
#if !defined(_WIN32) || defined(__CYGWIN__)
int sckt;
const int invld_sckt = -1;
#else
SOCKET sckt;
const SOCKET invld_sckt = INVALID_SOCKET;
WSADATA wsa_data;
if (0 != WSAStartup(MAKEWORD(2, 2), &wsa_data) || MAKEWORD(2, 2) != wsa_data.wVersion)
return 20;
#endif
sckt = socket (PF_INET, SOCK_STREAM, 0);
if (invld_sckt != sckt)
{
zr_mem(&sa, c_addr_size);
sa.sin_family = AF_INET;
#ifdef HAVE_STRUCT_SOCKADDR_IN_SIN_LEN
sa.sin_len = c_addr_size;
#endif
if (0 == bind (sckt, (struct sockaddr *)&sa, c_addr_size))
{
if (0 == listen (sckt, 1))
{
addr_size = c_addr_size;
if (0 == getsockname (sckt, (struct sockaddr *)&sa, &addr_size))
{
if (c_addr_size >= addr_size)
{
if (0 != ntohs(sa.sin_port))
{ ret = 0;
} else ret = 7;
} else ret = 6;
} else ret = 5;
} else ret = 4;
} else ret = 3;
} else ret = 2;
#if !defined(_WIN32) || defined(__CYGWIN__)
close (sckt);
#else
closesocket (sckt);
WSACleanup();
#endif
return ret;
}
]]
)
],
[[mhd_cv_getsockname_usable='yes']],
[[mhd_cv_getsockname_usable='no']],
[[mhd_cv_getsockname_usable='assuming yes']]
)
]
)
AS_VAR_IF([[mhd_cv_getsockname_usable]], [["no"]], [:],
[AC_DEFINE([[MHD_USE_GETSOCKNAME]], [[1]], [Define if you have usable `getsockname' function.])])
]
)
AC_CACHE_CHECK([for usable PAGESIZE macro], [mhd_cv_macro_pagesize_usable],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifndef PAGESIZE
#error No PAGESIZE macro defined
choke me now
#endif
]],
[[
long pgsz = PAGESIZE + 0;
if (1 > pgsz) return 1;
]]
)
],
[[mhd_cv_macro_pagesize_usable="yes"]], [[mhd_cv_macro_pagesize_usable="no"]]
)
]
)
AS_VAR_IF([[mhd_cv_macro_pagesize_usable]], [["yes"]],
[
AC_DEFINE([[MHD_USE_PAGESIZE_MACRO]],[[1]],[Define if you have usable PAGESIZE macro])
AC_CACHE_CHECK([whether PAGESIZE macro could be used for static init], [mhd_cv_macro_pagesize_usable_static],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifndef PAGESIZE
#error No PAGESIZE macro defined
choke me now
#endif
static long ac_pgsz = PAGESIZE + 0;
]],
[[
if (1 > ac_pgsz) return 1;
]]
)
],
[[mhd_cv_macro_pagesize_usable_static="yes"]], [[mhd_cv_macro_pagesize_usable_static="no"]]
)
]
)
AS_VAR_IF([[mhd_cv_macro_pagesize_usable_static]], [["yes"]],
[AC_DEFINE([[MHD_USE_PAGESIZE_MACRO_STATIC]],[[1]],[Define if you have PAGESIZE macro usable for static init])]
)
],
[
AC_CACHE_CHECK([for usable PAGE_SIZE macro], [mhd_cv_macro_page_size_usable],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifndef PAGE_SIZE
#error No PAGE_SIZE macro defined
choke me now
#endif
]],
[[
long pgsz = PAGE_SIZE + 0;
if (1 > pgsz) return 1;
]]
)
],
[[mhd_cv_macro_page_size_usable="yes"]], [[mhd_cv_macro_page_size_usable="no"]]
)
]
)
AS_VAR_IF([[mhd_cv_macro_page_size_usable]], [["yes"]],
[
AC_DEFINE([[MHD_USE_PAGE_SIZE_MACRO]],[[1]],[Define if you have usable PAGE_SIZE macro])
AC_CACHE_CHECK([whether PAGE_SIZE macro could be used for static init], [mhd_cv_macro_page_size_usable_static],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#ifndef PAGE_SIZE
#error No PAGE_SIZE macro defined
choke me now
#endif
static long ac_pgsz = PAGE_SIZE + 0;
]],
[[
if (1 > ac_pgsz) return 1;
]]
)
],
[[mhd_cv_macro_page_size_usable_static="yes"]], [[mhd_cv_macro_page_size_usable_static="no"]]
)
]
)
AS_VAR_IF([[mhd_cv_macro_page_size_usable_static]], [["yes"]],
[AC_DEFINE([[MHD_USE_PAGE_SIZE_MACRO_STATIC]],[[1]],[Define if you have PAGE_SIZE macro usable for static init])]
)
]
)
]
)
# Check for inter-thread signaling type
AC_ARG_ENABLE([[itc]],
[AS_HELP_STRING([[--enable-itc=TYPE]], [use TYPE of inter-thread communication (pipe, socketpair, eventfd) [auto]])], [],
[[enable_itc='auto']]
)
AS_CASE([[$enable_itc]],
[[pipe]], [[:]],
[[socketpair]], [[:]],
[[eventfd]], [[:]],
[[auto]], [AS_VAR_IF([[os_is_windows]], [["yes"]], [[enable_itc='socketpair']])],
[[eventFD]], [[enable_itc='eventfd']],
[[socket]], [[enable_itc='socketpair']],
[[no]], [AC_MSG_ERROR([[inter-thread communication cannot be disabled]])],
[AC_MSG_ERROR([[unrecognized type "$enable_itc" of inter-thread communication specified by "--enable-itc=$enable_itc"]])]
)
AS_UNSET([[use_itc]])
AS_IF([[test "x$enable_itc" = "xeventfd" || test "x$enable_itc" = "xauto"]], [
AS_VAR_IF([[os_is_native_w32]], [["yes"]], [], [
AC_CHECK_HEADERS([sys/eventfd.h], [], [], [AC_INCLUDES_DEFAULT])
AS_VAR_IF([[ac_cv_header_sys_eventfd_h]], [["yes"]], [
AC_CACHE_CHECK([whether eventfd(2) is usable], [[mhd_cv_eventfd_usable]], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <sys/eventfd.h>
]], [[
int ef = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);
if (ef < 0) return 1;
close (ef);
]])
], [[mhd_cv_eventfd_usable='yes']], [[mhd_cv_eventfd_usable='no']])
])
])
])
AS_VAR_IF([[mhd_cv_eventfd_usable]], [["yes"]], [
use_itc='eventfd'
enable_itc="$use_itc"
AC_DEFINE([[_MHD_ITC_EVENTFD]], [[1]], [Define to use eventFD for inter-thread communication])
], [
AS_VAR_IF([[enable_itc]], [["eventfd"]], [AC_MSG_ERROR([[eventfd(2) is not usable, consider using other type of inter-thread communication]])])
])
])
AS_IF([[test "x$enable_itc" = "xpipe" || test "x$enable_itc" = "xauto"]], [
AS_VAR_IF([[os_is_native_w32]], [["yes"]], [], [
AC_CACHE_CHECK([[whether pipe(3) is usable]], [[mhd_cv_pipe_usable]], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
], [[
int arr[2];
int res;
res = pipe(arr);
if (res != 0) return 33;
close (arr[0]);
close (arr[1]);
]])
], [[mhd_cv_pipe_usable='yes']], [[mhd_cv_pipe_usable='no']])
])
AS_VAR_IF([[mhd_cv_pipe_usable]], [["yes"]], [
use_itc='pipe'
enable_itc="$use_itc"
AC_DEFINE([[_MHD_ITC_PIPE]], [[1]], [Define to use pipe for inter-thread communication])
AC_CACHE_CHECK([[whether pipe2(2) is usable]], [[mhd_cv_pipe2_usable]], [
AC_RUN_IFELSE([
AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
], [[
int arr[2];
int res;
res = pipe2(arr, O_CLOEXEC | O_NONBLOCK);
if (res != 0) return 33;
close (arr[0]);
close (arr[1]);
]])
], [[mhd_cv_pipe2_usable='yes']], [[mhd_cv_pipe2_usable='no']], [
# Cross-compiling
AS_CASE([${host_os}], [kfreebsd*-gnu], [[mhd_cv_pipe2_usable='assuming no']],
[[mhd_cv_pipe2_usable='assuming yes']])
])
])
AS_CASE([["X-${mhd_cv_pipe2_usable}"]], [[X*yes]],
[AC_DEFINE([[HAVE_PIPE2_FUNC]], [[1]], [Define if you have usable pipe2(2) function])])
], [
AS_VAR_IF([[enable_itc]], [["pipe"]], [AC_MSG_ERROR([[pipe(3) is not usable, consider using other type of inter-thread communication]])])
])
])
])
AS_IF([[test "x$enable_itc" = "xsocketpair" || test "x$enable_itc" = "xauto"]], [
AS_VAR_IF([[os_is_native_w32]], [["yes"]], [[mhd_cv_socketpair_usable='yes']], [
AC_CACHE_CHECK([[whether socketpair(3) is usable]], [[mhd_cv_socketpair_usable]], [
AC_LINK_IFELSE([
AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
], [[
int arr[2];
int res;
#if defined(AF_LOCAL)
res = socketpair(AF_LOCAL, SOCK_STREAM, 0, arr);
#elif defined(AF_UNIX)
res = socketpair(AF_UNIX, SOCK_STREAM, 0, arr);
#else
#error AF_LOCAL and AF_UNIX are both undefined
choke me now;
#endif
if (res != 0) return 1
]])
], [[mhd_cv_socketpair_usable='yes']], [[mhd_cv_socketpair_usable='no']])
])
])
AS_VAR_IF([[mhd_cv_socketpair_usable]], [["yes"]], [
use_itc='socketpair'
enable_itc="$use_itc"
AC_DEFINE([[_MHD_ITC_SOCKETPAIR]], [[1]], [Define to use socketpair for inter-thread communication])
], [
AS_VAR_IF([[enable_itc]], [["socketpair"]], [AC_MSG_ERROR([[socketpair(3) is not usable, consider using other type of inter-thread communication]])])
])
])
AS_IF([[test -z "$use_itc"]], [AC_MSG_ERROR([[cannot find usable type of inter-thread communication]])])
AC_CHECK_FUNCS_ONCE([accept4 gmtime_r memmem snprintf])
AC_CHECK_DECL([gmtime_s],
[
AC_MSG_CHECKING([[whether gmtime_s is in C11 form]])
AC_LINK_IFELSE(
[ AC_LANG_PROGRAM(
[[
#define __STDC_WANT_LIB_EXT1__ 1
#include <time.h>
#ifdef __cplusplus
extern "C"
#endif
struct tm* gmtime_s(const time_t* time, struct tm* result);
]], [[
struct tm res;
time_t t;
gmtime_s (&t, &res);
]])
],
[
AC_DEFINE([HAVE_C11_GMTIME_S], [1], [Define to 1 if you have the `gmtime_s' function in C11 form.])
AC_MSG_RESULT([[yes]])
],
[
AC_MSG_RESULT([[no]])
AC_MSG_CHECKING([[whether gmtime_s is in W32 form]])
AC_LINK_IFELSE(
[ AC_LANG_PROGRAM(
[[
#include <time.h>
#ifdef __cplusplus
extern "C"
#endif
errno_t gmtime_s(struct tm* _tm, const time_t* time);
]], [[
struct tm res;
time_t t;
gmtime_s (&res, &t);
]])
],
[
AC_DEFINE([HAVE_W32_GMTIME_S], [1], [Define to 1 if you have the `gmtime_s' function in W32 form.])
AC_MSG_RESULT([[yes]])
],
[AC_MSG_RESULT([[no]])
])
])
], [],
[[#define __STDC_WANT_LIB_EXT1__ 1
#include <time.h>]])
AC_CHECK_DECL([SOCK_NONBLOCK], [AC_DEFINE([HAVE_SOCK_NONBLOCK], [1], [SOCK_NONBLOCK is defined in a socket header])], [],
[[
#if defined(HAVE_SYS_TYPES_H)
# include <sys/types.h>
#endif
#if defined(HAVE_SYS_SOCKET_H)
# include <sys/socket.h>
#elif defined(HAVE_WINSOCK2_H)
# include <winsock2.h>
#endif
]]
)
AC_CHECK_DECL([[clock_gettime]],
[
SAVE_LIBS="$LIBS"
AC_SEARCH_LIBS([clock_gettime], [rt],
[
AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Have clock_gettime])
AS_VAR_IF([[ac_cv_search_clock_gettime]],[["none required"]], [],
[
MHD_LIBDEPS="$ac_cv_search_clock_gettime $MHD_LIBDEPS"
MHD_LIBDEPS_PKGCFG="$ac_cv_search_clock_gettime $MHD_LIBDEPS_PKGCFG"
])
], [], [$MHD_LIBDEPS])
LIBS="$SAVE_LIBS"
], [], [[
#include <time.h>
]])
AC_MSG_CHECKING([[for clock_get_time]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <mach/clock.h>
#include <mach/mach.h>
]],
[[
clock_serv_t cs;
mach_timespec_t mt;
host_get_clock_service(mach_host_self(), SYSTEM_CLOCK, &cs);
clock_get_time(cs, &mt);
mach_port_deallocate(mach_task_self(), cs);
]])
],
[
AC_DEFINE([HAVE_CLOCK_GET_TIME], [1], [Define to 1 if you have `clock_get_time', `host_get_clock_service' and `mach_port_deallocate' functions.])
AC_MSG_RESULT([[yes]])
],
[AC_MSG_RESULT([[no]])
])
AC_MSG_CHECKING([[for gethrtime]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_SYS_TIME_H
/* Solaris define gethrtime() in sys/time.h */
#include <sys/time.h>
#endif /* HAVE_SYS_TIME_H */
#ifdef HAVE_TIME_H
/* HP-UX define gethrtime() in time.h */
#include <time.h>
#endif /* HAVE_TIME_H */
]], [[hrtime_t hrt = gethrtime(); ]])
],
[
AC_DEFINE([HAVE_GETHRTIME], [1], [Define to 1 if you have `gethrtime' function.])
AC_MSG_RESULT([[yes]])
],
[AC_MSG_RESULT([[no]])
])
AS_VAR_IF([ac_cv_header_time_h], ["yes"],
[
AC_CACHE_CHECK([[for C11 timespec_get()]], [mhd_cv_func_timespec_get],
[
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#include <time.h>
#ifndef TIME_UTC
#error TIME_UTC must be defined to use timespec_get()
choke me now
#endif
]],
[[
struct timespec ts;
if (TIME_UTC != timespec_get (&ts, TIME_UTC))
return 1;
]]
)
], [[mhd_cv_func_timespec_get="yes"]], [[mhd_cv_func_timespec_get="no"]]
)
]
)
AS_VAR_IF([mhd_cv_func_timespec_get], ["yes"],
[AC_DEFINE([HAVE_TIMESPEC_GET], [1], [Define to 1 if you have C11 `mhd_cv_func_timespec_get' function and TIME_UTC macro.])]
)
]
)
AS_VAR_SET_IF([ac_cv_func_gettimeofday], [mhd_cv_func_gettimeofday="${ac_cv_func_gettimeofday}"])
AC_CACHE_CHECK([[for gettimeofday(2)]], [mhd_cv_func_gettimeofday], [
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif /* HAVE_SYS_TIME_H */
#ifdef HAVE_TIME_H
#include <time.h>
#endif /* HAVE_TIME_H */
]],
[[
struct timeval tv;
if (0 != gettimeofday (&tv, (void*) 0))
return 1;
]]
)
], [[mhd_cv_func_gettimeofday="yes"]], [[mhd_cv_func_gettimeofday="no"]]
)
])
AS_VAR_IF([mhd_cv_func_gettimeofday], ["yes"],
[AC_DEFINE([HAVE_GETTIMEOFDAY], [1], [Define to 1 if you have `gettimeofday' function.])]
)
# IPv6
AC_MSG_CHECKING(for IPv6)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
#if HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#if HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#if HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#if HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
]], [[
int af=AF_INET6;
int pf=PF_INET6;
struct sockaddr_in6 sa;
printf("%d %d %p\n", af, pf, &sa);
]])],[
have_inet6=yes;
AC_DEFINE([HAVE_INET6], [1], [Provides IPv6 headers])
],[
have_inet6=no
])
AC_MSG_RESULT($have_inet6)
MHD_CHECK_FUNC([[sysconf]], [[#include <unistd.h>]], [[long a = sysconf(0); if (a) return 1;]])
MHD_CHECK_FUNC([[sysctl]], [[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
]], [[int mib[2] = {CTL_KERN, KERN_MAXPROC}; i][f (sysctl(mib, 2, NULL, NULL, NULL, 0)) return 1;]]
)
MHD_CHECK_FUNC([[sysctlbyname]], [[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SYSCTL_H
#include <sys/sysctl.h>
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
]], [[sysctlbyname("test", NULL, NULL, NULL, 0);]]
)
MHD_CHECK_FUNC([[usleep]], [[#include <unistd.h>]], [[usleep(100000);]])
MHD_CHECK_FUNC([[nanosleep]], [[#include <time.h>]], [[struct timespec ts2, ts1 = {0, 0}; nanosleep(&ts1, &ts2);]])
HIDDEN_VISIBILITY_CFLAGS=""
AH_TEMPLATE([_MHD_EXTERN],[defines how to decorate public symbols w][hile building the library])
CFLAGS="${user_CFLAGS}"
MHD_CHECK_CC_CFLAG([-fvisibility=hidden],[CFLAGS_ac],
[
# NOTE: require setting of errattr_CFLAGS above
CFLAGS="${CFLAGS_ac} -fvisibility=hidden ${user_CFLAGS} ${errattr_CFLAGS}"
AC_CACHE_CHECK([whether $CC supports __attribute__((visibility("default")))],[mhd_cv_cc_attr_visibility],
[
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
extern __attribute__((visibility("default"))) int test_extrn_func(void);
int test_extrn_func(void) {return 0;}
]])
],
[mhd_cv_cc_attr_visibility="yes"],[mhd_cv_cc_attr_visibility="no"]
)
]
)
AS_VAR_IF([mhd_cv_cc_attr_visibility],["yes"],
[
HIDDEN_VISIBILITY_CFLAGS="-fvisibility=hidden"
AS_IF([test "x$os_is_native_w32" = "xyes" && test "x$enable_shared" = "xyes"],
[AC_DEFINE([_MHD_EXTERN], [__attribute__((visibility("default"))) __declspec(dllexport) extern])],
[AC_DEFINE([_MHD_EXTERN], [__attribute__((visibility("default"))) extern])]
)
],
[
AC_MSG_WARN([$CC supports -fvisibility, but does not support __attribute__((visibility("default"))). Check compiler and compiler flags.])
AC_DEFINE([_MHD_EXTERN], [extern])
]
)
],[AC_DEFINE([_MHD_EXTERN], [extern])]
)
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
AC_SUBST([HIDDEN_VISIBILITY_CFLAGS])
# libcurl (required for testing)
AC_ARG_ENABLE([curl],
[AS_HELP_STRING([--disable-curl],[disable cURL based testcases])],
[enable_curl=${enableval}])
curl=0
AS_IF([test "$enable_curl" != "no"],
[LIBCURL_CHECK_CONFIG([yes],[7.16.4],[enable_curl=yes],
[
AS_IF([test "x$enable_curl" = "xyes"],
[AC_MSG_WARN([[cURL-based tests cannot be enabled because libcurl is missing]])])
enable_curl=no
])
])
AS_IF([test "$enable_curl" != "no"],
[
# Lib cURL & cURL - OpenSSL versions
AC_DEFINE([MHD_REQ_CURL_VERSION], ["7.16.4"], [required cURL version to run tests])
AC_DEFINE([MHD_REQ_CURL_OPENSSL_VERSION], ["0.9.8"], [required cURL SSL version to run tests])
AC_DEFINE([MHD_REQ_CURL_GNUTLS_VERSION], ["2.8.6"], [gnuTLS lib version - used in conjunction with cURL])
AC_DEFINE([MHD_REQ_CURL_NSS_VERSION], ["3.12.0"], [NSS lib version - used in conjunction with cURL])
])
AM_CONDITIONAL([HAVE_CURL], [test "x$enable_curl" = "xyes"])
mhd_have_libmagic="no"
SAVE_LIBS="$LIBS"
LIBS="-lmagic $LIBS"
AC_MSG_CHECKING([[for suitable libmagic]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[AC_INCLUDES_DEFAULT
[
#include <magic.h>
]],
[[
char var_data[256];
const char *var_mime;
magic_t var_magic = magic_open (MAGIC_MIME_TYPE);
(void)magic_load (var_magic, NULL);
var_data[0] = 0;
var_mime = magic_buffer (var_magic, var_data, 1);
magic_close (var_magic);
]]
)
],
[
AC_DEFINE([MHD_HAVE_LIBMAGIC], [1], [Define to 1 if you have suitable libmagic.])
mhd_have_libmagic="yes"
AC_MSG_RESULT([[yes]])
],
[AC_MSG_RESULT([[no]])
]
)
LIBS="$SAVE_LIBS"
AM_CONDITIONAL([MHD_HAVE_LIBMAGIC], [[test "x$mhd_have_libmagic" = "xyes"]])
# large file support (> 4 GB)
AC_SYS_LARGEFILE
AC_FUNC_FSEEKO
AC_CHECK_FUNCS([lseek64 pread64 pread])
# check for various sendfile functions
AC_ARG_ENABLE([sendfile],
[AS_HELP_STRING([--disable-sendfile],
[disable usage of sendfile() for HTTP connections [auto]])],
[],
[enable_sendfile="auto"])
AS_CASE([$enable_sendfile],
[[auto | yes]],[[found_sendfile="no"]],
[[no]],[[found_sendfile="disabled"]],
[AC_MSG_ERROR([[unknown value specified: --enable-sendfile=$enable_sendfile]])]
)
AS_VAR_IF([[found_sendfile]], [["no"]],
[
AC_MSG_CHECKING([[for Linux-style sendfile(2)]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/sendfile.h>
static void empty_func(void)
{
/* Check for declaration */
(void)sendfile;
}
/* Declare again to check form match */
ssize_t sendfile(int, int, off_t*, size_t);
]],
[[
int fd1=0, fd2=2;
off_t o = 0;
size_t s = 5;
ssize_t r;
r = sendfile (fd1, fd2, &o, s);
if (r)
empty_func();
]]
)
],
[
AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have linux-style sendfile(2).])
found_sendfile="yes, Linux-style"
AC_MSG_RESULT([[yes]])
AC_CHECK_FUNCS([sendfile64])
],
[AC_MSG_RESULT([[no]])
]
)
]
)
AS_VAR_IF([[found_sendfile]], [["no"]],
[
AC_MSG_CHECKING([[for FreeBSD-style sendfile(2)]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
static void empty_func(void)
{
/* Check for declaration */
(void)sendfile;
}
/* Declare again to check form match */
int sendfile(int, int, off_t, size_t,
struct sf_hdtr*, off_t*, int);
]],
[[
int fd1=0, fd2=1;
off_t o = 0;
size_t s = 5;
off_t r1;
int r2;
r2 = sendfile (fd1, fd2, o, s, (void*)0, &r1, 0);
if (r2)
empty_func();
]]
)
],
[
AC_DEFINE([HAVE_FREEBSD_SENDFILE], [1], [Define to 1 if you have FreeBSD-style sendfile(2).])
found_sendfile="yes, FreeBSD-style"
AC_MSG_RESULT([[yes]])
],
[AC_MSG_RESULT([[no]])
]
)
]
)
AS_VAR_IF([[found_sendfile]], [["no"]],
[
AC_MSG_CHECKING([[for Darwin-style sendfile(2)]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/uio.h>
static void empty_func(void)
{
/* Check for declaration */
(void)sendfile;
}
/* Declare again to check form match */
int sendfile(int, int, off_t, off_t*,
struct sf_hdtr *, int);
]],
[[
int fd=0, s=1;
off_t o = 0;
off_t l = 5;
int r;
r = sendfile (fd, s, o, &l, (void*)0, 0);
if (r)
empty_func();
]]
)
],
[
AC_DEFINE([HAVE_DARWIN_SENDFILE], [1], [Define to 1 if you have Darwin-style sendfile(2).])
found_sendfile="yes, Darwin-style"
AC_MSG_RESULT([[yes]])
],
[AC_MSG_RESULT([[no]])
]
)
]
)
AS_VAR_IF([[found_sendfile]], [["no"]],
[
AC_MSG_CHECKING([[for Solaris-style sendfile(3)]])
SAVE_LIBS="$LIBS"
LIBS="-lsendfile $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sendfile.h>
static void empty_func(void)
{
/* Check for declaration */
(void)sendfile;
}
/* Declare again to check form match */
ssize_t sendfile(int out_fd, int in_fd,
off_t *off, size_t len);
]],
[[
int fd1=0, fd2=1;
off_t o = 0;
size_t l = 5;
ssize_t r;
r = sendfile (fd1, fd2, &o, l);
if (r)
empty_func();
]]
)
],
[
AC_DEFINE([HAVE_SOLARIS_SENDFILE], [1], [Define to 1 if you have Solaris-style sendfile(3).])
found_sendfile="yes, Solaris-style"
MHD_LIBDEPS="-lsendfile $MHD_LIBDEPS"
MHD_LIBDEPS_PKGCFG="-lsendfile $MHD_LIBDEPS_PKGCFG"
AC_MSG_RESULT([[yes]])
AC_CHECK_FUNCS([sendfile64])
],
[AC_MSG_RESULT([[no]])
]
)
LIBS="$SAVE_LIBS"
]
)
AS_IF([[test "x$found_sendfile" = "xno" && test "x$enable_sendfile" = "xyes"]],
[AC_MSG_ERROR([[sendfile() usage was requested by configure parameter, but no usable sendfile() function is detected]])]
)
# optional: have error messages ?
AC_MSG_CHECKING([[whether to generate error messages]])
AC_ARG_ENABLE([messages],
[AS_HELP_STRING([--disable-messages],
[disable MHD error messages])],
[enable_messages=${enableval}],
[enable_messages=yes])
AS_IF([[test "x$enable_messages" = "xyes"]],
[ AC_DEFINE([HAVE_MESSAGES],[1],[Define to 1 to enable support for error messages.]) ],
[[ enable_messages=no ]])
AC_MSG_RESULT([[$enable_messages]])
# optional: have postprocessor?
AC_MSG_CHECKING([[whether to enable postprocessor]])
AC_ARG_ENABLE([postprocessor],
[AS_HELP_STRING([--disable-postprocessor],
[disable MHD PostProcessor functionality])],
[enable_postprocessor=${enableval}],
[enable_postprocessor=yes])
AS_IF([[test "x$enable_postprocessor" != "xno"]],
[ enable_postprocessor=yes
AC_DEFINE([HAVE_POSTPROCESSOR],[1],[Define to 1 if libmicrohttpd is compiled with postprocessor support.]) ])
AM_CONDITIONAL([HAVE_POSTPROCESSOR], [test "x$enable_postprocessor" != "xno"])
AC_MSG_RESULT([[$enable_postprocessor]])
# optional: have zzuf, socat?
AC_CHECK_PROG([have_zzuf],[zzuf], [yes], [no])
AC_CHECK_PROG([have_socat],[socat], [yes], [no])
AM_CONDITIONAL([HAVE_ZZUF], [test "x$have_zzuf" = "xyes"])
AM_CONDITIONAL([HAVE_SOCAT], [test "x$have_socat" = "xyes"])
have_gnutls=no
have_gnutls_sni=no
have_gcrypt=no
AS_UNSET([GNUTLS_CPPFLAGS])
AS_UNSET([GNUTLS_LDFLAGS])
# optional: HTTPS support. Enabled by default
AC_ARG_ENABLE([https],
[AS_HELP_STRING([--enable-https],
[enable HTTPS support (yes, no, auto)[auto]])],
[enable_https=${enableval}])
AS_IF([test "x$enable_https" != "xno"],[
#
# Next block is large unindented block
#
# gnutls
have_gnutls_pkgcfg=no
AC_MSG_CHECKING([[how to find GnuTLS library]])
AC_ARG_WITH([[gnutls]],
[AS_HELP_STRING([[--with-gnutls[=PFX]]],[use GnuTLS for HTTPS support, optional PFX overrides pkg-config data for GnuTLS headers (PFX/include) and libs (PFX/lib)])],
[
AS_CASE([$with_gnutls],
[no],[
AC_MSG_RESULT([[GnuTLS disabled]])
AS_UNSET([GNUTLS_CPPFLAGS])
AS_UNSET([GNUTLS_CFLAGS])
AS_UNSET([GNUTLS_LDFLAGS])
AS_UNSET([GNUTLS_LIBS])
],
[yes],[
AC_MSG_RESULT([[automatically, forced]])
],
[
AC_MSG_RESULT([[-I$with_gnutls/include -L$with_gnutls/lib -lgnutls]])
SAVE_LIBS="$LIBS"
LDFLAGS="${LDFLAGS_ac} -L$with_gnutls/lib ${user_LDFLAGS}"
CPPFLAGS="${CPPFLAGS_ac} -I$with_gnutls/include ${user_CPPFLAGS}"
have_gnutls_pkgcfg=no
AC_CHECK_HEADERS([gnutls/gnutls.h],
[AC_CHECK_LIB([gnutls], [gnutls_priority_set],
[
GNUTLS_CPPFLAGS="-I$with_gnutls/include"
GNUTLS_LDFLAGS="-L$with_gnutls/lib"
GNUTLS_LIBS="-lgnutls"
have_gnutls=yes
])], [], [AC_INCLUDES_DEFAULT])
AS_IF([test "x$have_gnutls" != "xyes"], [AC_MSG_ERROR([can't find usable libgnutls at specified prefix $with_gnutls])])
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
LIBS="$SAVE_LIBS"
])
],
[AC_MSG_RESULT([[automatically]])
])
AS_IF([test "x$with_gnutls" != "xno" && test "x$have_gnutls" != "xyes"],
[
AC_CACHE_CHECK([[whether to add pkg-config special search directories]], [mhd_cv_pkgconf_add_dirs],
[
AS_IF([[test "x$host_os" = "xsolaris2.11" && test "x$cross_compiling" = "xno"]],
[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
char size_chk[7-sizeof(char*)];
#if defined(_LP64) || defined(__LP64__) || defined(__x86_64) || defined(__x86_64__)
#error This is 64-bit target.
choke me now
#endif
#if defined(__amd64) || defined(__amd64__) || defined(__sparcv9) || defined(__sparc_v9__)
#error This is 64-bit target.
choke me now
#endif
]], [[]]
)
],
[
mhd_cv_pkgconf_add_dirs='/usr/lib/pkgconfig/gnutls-3'
],
[
AS_IF([[test "x$host_cpu" = "xx86_64" || test "x$host_cpu" = "xi386"]],
[[mhd_cv_pkgconf_add_dirs='/usr/lib/amd64/pkgconfig/gnutls-3:/usr/lib/amd64/pkgconfig']],
[[test "x$host_cpu" = "xsparc"]],
[[mhd_cv_pkgconf_add_dirs='/usr/lib/sparkv9/pkgconfig/gnutls-3:/usr/lib/sparkv9/pkgconfig']],
[[mhd_cv_pkgconf_add_dirs='/usr/lib/64/pkgconfig/gnutls-3:/usr/lib/64/pkgconfig']]
)
]
)
],
[[ mhd_cv_pkgconf_add_dirs='no' ]]
)
]
)
AS_IF([[test "x$mhd_cv_pkgconf_add_dirs" != "xno"]],
[
test "x$PKG_CONFIG_PATH" = "x" || PKG_CONFIG_PATH="${PKG_CONFIG_PATH}${PATH_SEPARATOR}"
PKG_CONFIG_PATH="${PKG_CONFIG_PATH}${mhd_cv_pkgconf_add_dirs}"
export PKG_CONFIG_PATH
]
)
PKG_CHECK_MODULES(GNUTLS, [[gnutls]],
[
have_gnutls_pkgcfg='yes'
SAVE_LIBS="$LIBS"
CFLAGS="${CFLAGS_ac} $GNUTLS_CFLAGS ${user_CFLAGS}"
LIBS="$GNUTLS_LIBS $LIBS"
AC_MSG_CHECKING([[whether GnuTLS is usable]])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <gnutls/gnutls.h>
]], [[
gnutls_session_t session;
gnutls_priority_t priorities;
gnutls_global_init();
gnutls_priority_init(&priorities, "NORMAL", NULL);
gnutls_init(&session, GNUTLS_SERVER);
gnutls_priority_set(session, priorities);
]])],
[
AC_MSG_RESULT([[yes]])
have_gnutls=yes
# GNUTLS_CFLAGS is actually CPPFLAGS
GNUTLS_CPPFLAGS="$GNUTLS_CFLAGS"
# GNUTLS_LDFLAGS is a combination of LDFLAGS and LIBS
GNUTLS_LDFLAGS="$GNUTLS_LIBS"
],
[
AC_MSG_RESULT([[no]])
have_gnutls=no
])
AS_IF([test "x$have_gnutls" != "xyes"],
[
AC_MSG_WARN([pkg-config reports that GnuTLS is present, but GnuTLS can't be used])
AS_UNSET([GNUTLS_CPPFLAGS])
AS_UNSET([GNUTLS_CFLAGS])
AS_UNSET([GNUTLS_LDFLAGS])
AS_UNSET([GNUTLS_LIBS])
]
)
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
LIBS="$SAVE_LIBS"
],
[
# check for GnuTLS at default paths
have_gnutls_pkgcfg='no'
AC_CHECK_HEADERS([gnutls/gnutls.h],
[AC_CHECK_LIB([gnutls], [gnutls_priority_set],
[
GNUTLS_LIBS="-lgnutls"
have_gnutls=yes
])], [], [AC_INCLUDES_DEFAULT])
])
])
have_gcrypt='unknown'
AS_IF([test "x$with_gnutls" != "xno" && test "x$have_gnutls" != "xyes"],
[
AM_PATH_LIBGCRYPT([1.2.2], [have_gcrypt=yes], [have_gcrypt=no])
AS_IF([[test "x$have_gcrypt" = "xyes"]],
[
SAVE_LIBS="$LIBS"
CFLAGS="${CFLAGS_ac} $LIBGCRYPT_CFLAGS ${user_CFLAGS}"
# LIBGCRYPT_CFLAGS can be actually a CPPFLAGS, so check them both
CPPFLAGS="${CPPFLAGS_ac} $LIBGCRYPT_CFLAGS ${user_CPPFLAGS}"
AC_CHECK_HEADERS([gcrypt.h], [], [have_gcrypt=no], [AC_INCLUDES_DEFAULT])
# Check for GnuTLS with gcrypt flags
LDFLAGS="${LDFLAGS_ac} ${LIBGCRYPT_LIBS} ${user_LDFLAGS}"
# A bit of hack: unset cache variable to force recheck
AS_UNSET([ac_cv_header_gnutls_gnutls_h])
AC_CHECK_HEADERS([gnutls/gnutls.h],
[AS_UNSET([ac_cv_lib_gnutls_gnutls_priority_set]) # A bit of hack: unset cache variable to force recheck
AC_CHECK_LIB([gnutls], [gnutls_priority_set],
[
GNUTLS_CPPFLAGS="$LIBGCRYPT_CFLAGS"
GNUTLS_CFLAGS="$LIBGCRYPT_CFLAGS"
GNUTLS_LDFLAGS="$LIBGCRYPT_LIBS"
GNUTLS_LIBS="-lgnutls"
have_gnutls=yes
])], [], [AC_INCLUDES_DEFAULT])
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
LIBS="$SAVE_LIBS"
]
)
]
)
AS_IF([test "x$have_gnutls" != "xyes" && test "x$with_gnutls" = "xyes"],
[AC_MSG_ERROR([[can't find usable libgnutls]])])
AS_IF([test "x$have_gnutls" = "xyes"],
[
SAVE_LIBS="$LIBS"
CPPFLAGS="${CPPFLAGS_ac} ${GNUTLS_CPPFLAGS} ${user_CPPFLAGS}"
CFLAGS="${CFLAGS_ac} ${GNUTLS_CFLAGS} ${user_CFLAGS}"
LDFLAGS="${LDFLAGS_ac} ${GNUTLS_LDFLAGS} ${user_LDFLAGS}"
LIBS="$GNUTLS_LIBS $LIBS"
AC_MSG_CHECKING([[for gnutls_privkey_import_x509_raw()]])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <gnutls/gnutls.h>
#include <gnutls/abstract.h>
]], [[
gnutls_datum_t data;
gnutls_privkey_t key = 0;
#ifndef gnutls_load_file
(void)gnutls_load_file; /* Check for declaration. */
#endif
#ifndef gnutls_privkey_import_x509_raw
(void)gnutls_privkey_import_x509_raw; /* Check for declaration. */
#endif
gnutls_load_file("key.pem", &data);
gnutls_privkey_import_x509_raw(key, &data, GNUTLS_X509_FMT_PEM, NULL, 0);
gnutls_free(data.data);
]])], [[have_gnutls_sni=yes]], [[have_gnutls_sni=no]])
AC_MSG_RESULT([[$have_gnutls_sni]])
AC_CACHE_CHECK([[whether GnuTLS require libgcrypt initialisaion]], [mhd_cv_gcrypt_required],
[
AC_COMPILE_IFELSE(
[
AC_LANG_PROGRAM(
[
#include <gnutls/gnutls.h>
],
[
#if !defined(GNUTLS_VERSION_NUMBER) || GNUTLS_VERSION_NUMBER+0 <= 0x020c14
#error Old versions of GnuTLS require libgcript initialisaion
choke me now
#endif
]
)
],
[[mhd_cv_gcrypt_required='no']], [[mhd_cv_gcrypt_required='yes']]
)
]
)
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
LDFLAGS="${LDFLAGS_ac} ${user_LDFLAGS}"
LIBS="$SAVE_LIBS"
],
[
AS_UNSET([GNUTLS_CPPFLAGS])
AS_UNSET([GNUTLS_LDFLAGS])
]
)
AS_IF([[test "x$mhd_cv_gcrypt_required" = "xyes" && test "x$have_gcrypt" = "xunknown"]],
[
AM_PATH_LIBGCRYPT([1.2.2], [have_gcrypt=yes], [have_gcrypt=no])
AS_IF([[test "x$have_gcrypt" = "xyes"]],
[
CFLAGS="${CFLAGS_ac} ${LIBGCRYPT_CFLAGS} ${user_CFLAGS}"
# LIBGCRYPT_CFLAGS can be actually a CPPFLAGS, so check them both
CPPFLAGS="${CPPFLAGS_ac} ${LIBGCRYPT_CFLAGS} ${user_CPPFLAGS}"
AC_CHECK_HEADERS([gcrypt.h], [], [have_gcrypt=no], [AC_INCLUDES_DEFAULT])
CPPFLAGS="${CPPFLAGS_ac} ${user_CPPFLAGS}"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
]
)
]
)
AS_UNSET([[crypt_missing]])
AS_IF([[test "x$have_gnutls" = "xyes"]],
[
AS_IF([[test "x$mhd_cv_gcrypt_required" = "xyes" && test "x$have_gcrypt" != "xyes"]],
[
crypt_missing="required libgcrypt"
AS_IF([[test "x$enable_https" = "xyes" ]], [AC_MSG_ERROR([[HTTPS support cannot be enabled without $crypt_missing.]])])
enable_https=no
MSG_HTTPS="no (lacking $crypt_missing)"
AS_UNSET([LIBGCRYPT_CFLAGS])
AS_UNSET([LIBGCRYPT_LIBS])
AS_UNSET([GNUTLS_CPPFLAGS])
AS_UNSET([GNUTLS_CFLAGS])
AS_UNSET([GNUTLS_LDFLAGS])
AS_UNSET([GNUTLS_LIBS])
],
[
AC_DEFINE([[HTTPS_SUPPORT]],[[1]],[Define to 1 if libmicrohttpd is compiled with HTTPS support.])
enable_https=yes
AS_IF([[test "x$mhd_cv_gcrypt_required" = "xyes"]],
[
MSG_HTTPS="yes (using libgnutls and libgcrypt)"
MHD_TLS_LIB_CPPFLAGS="$LIBGCRYPT_CFLAGS $GNUTLS_CPPFLAGS"
MHD_TLS_LIB_CFLAGS="$LIBGCRYPT_CFLAGS $GNUTLS_CFLAGS"
MHD_TLS_LIB_LDFLAGS="$GNUTLS_LDFLAGS"
MHD_TLS_LIBDEPS="$GNUTLS_LIBS $LIBGCRYPT_LIBS"
AC_DEFINE([[MHD_HTTPS_REQUIRE_GCRYPT]], [[1]], [Define to `1' if HTTPS require initialisation of libgcrypt])
],
[
MSG_HTTPS="yes (using libgnutls)"
AS_UNSET([LIBGCRYPT_CFLAGS])
AS_UNSET([LIBGCRYPT_LIBS])
MHD_TLS_LIB_CPPFLAGS="$GNUTLS_CPPFLAGS"
MHD_TLS_LIB_CFLAGS="$GNUTLS_CFLAGS"
MHD_TLS_LIB_LDFLAGS="$GNUTLS_LDFLAGS"
MHD_TLS_LIBDEPS="$GNUTLS_LIBS"
]
)
AS_IF([[ test "x$have_gnutls_pkgcfg" = "xyes" ]],
[ # remove GnuTLS from private libs in .pc file as it defined in Requires.private
MHD_REQ_PRIVATE='gnutls'
AS_IF([[test "x$mhd_cv_gcrypt_required" = "xyes"]],
[[MHD_LIBDEPS_PKGCFG="$LIBGCRYPT_LIBS $MHD_LIBDEPS_PKGCFG"]]
)
],
[
MHD_REQ_PRIVATE=''
AS_IF([[test "x$mhd_cv_gcrypt_required" = "xyes"]],
[[MHD_LIBDEPS_PKGCFG="$LIBGCRYPT_LIBS $MHD_LIBDEPS_PKGCFG"]]
)
MHD_LIBDEPS_PKGCFG="$GNUTLS_LIBS $MHD_LIBDEPS_PKGCFG"
])
]
)
],
[
crypt_missing="libgnutls"
AS_IF([[test "x$enable_https" = "xyes" ]], [AC_MSG_ERROR([[HTTPS support cannot be enabled without $crypt_missing.]])])
enable_https=no
MSG_HTTPS="no (lacking $crypt_missing)"
AS_UNSET([LIBGCRYPT_CFLAGS])
AS_UNSET([LIBGCRYPT_LIBS])
AS_UNSET([GNUTLS_CPPFLAGS])
AS_UNSET([GNUTLS_CFLAGS])
AS_UNSET([GNUTLS_LDFLAGS])
AS_UNSET([GNUTLS_LIBS])
]
)
],[
MSG_HTTPS="no (disabled)"
])
#
# End of large unindented block
#
AC_MSG_CHECKING(whether to support HTTPS)
AC_MSG_RESULT([$MSG_HTTPS])
AM_CONDITIONAL([HAVE_GNUTLS], [[test "x$have_gnutls" = "xyes"]])
AM_CONDITIONAL([HAVE_GNUTLS_SNI], [[test "x$have_gnutls_sni" = "xyes"]])
AM_CONDITIONAL([ENABLE_HTTPS], [test "x$enable_https" = "xyes"])
AM_CONDITIONAL([HTTPS_REQUIRE_GCRYPT], [[test "x$enable_https" = "xyes" && test "x$mhd_cv_gcrypt_required" = "xyes"]])
AC_SUBST([GNUTLS_CPPFLAGS])
AC_SUBST([GNUTLS_CFLAGS])
AC_SUBST([GNUTLS_LDFLAGS])
AC_SUBST([GNUTLS_LIBS])
AS_VAR_IF([have_gnutls], ["yes"],
[
AC_CACHE_CHECK([for GnuTLS quirks], [mhd_cv_gnutls_mthread_broken],
[
mhd_cv_gnutls_mthread_broken="no"
AS_IF([test -r /etc/redhat-release],
[
AS_IF([$FGREP ' release 6.' /etc/redhat-release >/dev/null || $FGREP '(Santiago)' /etc/redhat-release >/dev/null],
[mhd_cv_gnutls_mthread_broken="found"],
)
]
)
AS_VAR_IF([mhd_cv_gnutls_mthread_broken], ["no"],
[
AS_IF([command -v rpm >/dev/null],
[
AS_IF([test "r`rpm -E '%{rhel}' 2>/dev/null`" = "r6"],
[mhd_cv_gnutls_mthread_broken="found"],
)
]
)
]
)
]
)
AC_CACHE_CHECK([for gnutls-cli binary], [mhd_cv_gnutls_cli],
[
mhd_cv_gnutls_cli="no"
AS_IF([command -v gnutls-cli >/dev/null 2>&1],
[AS_IF([AC_RUN_LOG([gnutls-cli --version >&2])], [mhd_cv_gnutls_cli="yes"])]
)
]
)
]
)
AM_CONDITIONAL([HAVE_GNUTLS_MTHREAD_BROKEN], [[test "x${mhd_cv_gnutls_mthread_broken}" = "xfound"]])
AM_CONDITIONAL([USE_UPGRADE_TLS_TESTS], [[test "x${mhd_cv_gnutls_mthread_broken}" = "xno" || test "x${mhd_cv_gnutls_cli}" = "xyes"]])
# optional: HTTP Basic Auth support. Enabled by default
AC_MSG_CHECKING([[whether to support HTTP basic authentication]])
AC_ARG_ENABLE([bauth],
AS_HELP_STRING([--disable-bauth],
[disable HTTP basic Auth support]),
[enable_bauth=${enableval}],
[enable_bauth=yes])
AS_IF([[test "x$enable_bauth" != "xno"]],
[ enable_bauth=yes
AC_DEFINE([BAUTH_SUPPORT],[1],[Define to 1 if libmicrohttpd is compiled with basic Auth support.]) ])
AM_CONDITIONAL([ENABLE_BAUTH], [test "x$enable_bauth" != "xno"])
AC_MSG_RESULT([[$enable_bauth]])
# optional: HTTP Digest Auth support. Enabled by default
AC_MSG_CHECKING([[whether to support HTTP digest authentication]])
AC_ARG_ENABLE([dauth],
AS_HELP_STRING([--disable-dauth],
[disable HTTP basic and digest Auth support]),
[enable_dauth=${enableval}],
[enable_dauth=yes])
AS_IF([[test "x$enable_dauth" != "xno"]],
[ enable_dauth=yes
AC_DEFINE([DAUTH_SUPPORT],[1],[Define to 1 if libmicrohttpd is compiled with digest Auth support.]) ])
AM_CONDITIONAL([ENABLE_DAUTH], [test "x$enable_dauth" != "xno"])
AC_MSG_RESULT([[$enable_dauth]])
# optional: HTTP "Upgrade" support. Enabled by default
AC_MSG_CHECKING([[whether to support HTTP "Upgrade"]])
AC_ARG_ENABLE([[httpupgrade]],
AS_HELP_STRING([[--disable-httpupgrade]],
[disable HTTP "Upgrade" support]),
[AS_VAR_IF([[enable_httpupgrade]],[["no"]],[],[[enable_httpupgrade='yes']])],
[[enable_httpupgrade='yes']])
AS_VAR_IF([[enable_httpupgrade]],[["yes"]],
[
AC_DEFINE([[UPGRADE_SUPPORT]],[[1]],[Define to 1 if libmicrohttpd is compiled with HTTP Upgrade support.]) ])
AM_CONDITIONAL([ENABLE_UPGRADE], [[test "x$enable_httpupgrade" = "xyes"]])
AC_MSG_RESULT([[$enable_httpupgrade]])
AC_CACHE_CHECK([[for calloc()]], [[mhd_cv_have_func_calloc]],
[
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdlib.h>
]],[[void * ptr = calloc(1, 2); if (ptr) return 1;]])
],
[[mhd_cv_have_func_calloc='yes']],
[[mhd_cv_have_func_calloc='no']]
)
]
)
AS_VAR_IF([[mhd_cv_have_func_calloc]], [["yes"]],
[AC_DEFINE([[HAVE_CALLOC]], [[1]], [Define to 1 if you have the usable `calloc' function.])])
# Some systems have IPv6 disabled in kernel at run-time
AS_IF([[test "x${have_inet6}" = "xyes" && test "x${cross_compiling}" = "xno"]],
[
AC_CACHE_CHECK([whether IPv6 could be used for testing],[mhd_cv_ipv6_for_testing],
[
AC_RUN_IFELSE(
[
AC_LANG_SOURCE([[
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#endif
#ifdef HAVE_WS2TCPIP_H
#include <ws2tcpip.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IP_H
#include <netinet/ip.h>
#endif
#ifdef HAVE_ARPA_INET_H
#include <arpa/inet.h>
#endif
#ifdef HAVE_NETINET_TCP_H
#include <netinet/tcp.h>
#endif
static void zr_mem(void *ptr, socklen_t size)
{ char *mem = ptr; while(size--) {mem[0] = 0; mem++;} }
int main(void)
{
int ret = 30;
struct sockaddr_in6 sa;
#if !defined(_WIN32) || defined(__CYGWIN__)
int sckt;
const int invld_sckt = -1;
#else
SOCKET sckt;
const SOCKET invld_sckt = INVALID_SOCKET;
WSADATA wsa_data;
WSAStartup(MAKEWORD(2, 2), &wsa_data);
#endif
zr_mem(&sa, sizeof(sa));
sa.sin6_family = AF_INET6;
sa.sin6_port = 0;
sa.sin6_addr = in6addr_loopback;
#ifdef HAVE_STRUCT_SOCKADDR_IN6_SIN6_LEN
sa.sin6_len = sizeof(sa);
#endif
sckt = socket (PF_INET6, SOCK_STREAM, 0);
if (invld_sckt != sckt)
{
if (0 == bind (sckt, (struct sockaddr *)&sa, sizeof(sa)))
{
if (0 == listen (sckt, 1))
ret = 0;
else
ret = 1; /* listen() failed */
} else ret = 2; /* bind() failed */
#if !defined(_WIN32) || defined(__CYGWIN__)
close (sckt);
#else
closesocket (sckt);
#endif
} else ret = 3; /* socket() failed */
#if defined(_WIN32) && !defined(__CYGWIN__)
WSACleanup();
#endif
return ret;
}
]])
], [[mhd_cv_ipv6_for_testing="yes"]], [[mhd_cv_ipv6_for_testing="no"]], [[mhd_cv_ipv6_for_testing="no"]]
)
]
)
]
)
AS_VAR_IF([mhd_cv_ipv6_for_testing],["yes"],
[AC_DEFINE([[USE_IPV6_TESTING]], [[1]], [Define to 1 if your kernel supports IPv6 and IPv6 is enabled and useful for testing.])]
)
# Check for fork() and waitpid(). They are used for tests.
AC_MSG_CHECKING([[for fork()]])
mhd_have_fork_waitpid='no'
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
]], [[
pid_t p = fork ();
if (0 == p)
return 1;
]])
], [
AC_DEFINE([[HAVE_FORK]], [[1]], [Define to 1 if you have the usable `fork' function.])
AC_MSG_RESULT([[yes]])
AC_MSG_CHECKING([[for waitpid()]])
AC_LINK_IFELSE(
[
AC_LANG_PROGRAM(
[[
#include <sys/wait.h>
]], [[
pid_t p = fork ();
if (0 == p)
return 1;
waitpid (p, (void*)0, 0)
]])
], [
AC_DEFINE([[HAVE_WAITPID]], [[1]], [Define to 1 if you have the usable `waitpid' function.])
AC_MSG_RESULT([[yes]])
mhd_have_fork_waitpid='yes'
],[
AC_MSG_RESULT([[no]])
])
],[
AC_MSG_RESULT([[no]])
])
AM_CONDITIONAL([HAVE_FORK_WAITPID], [test "x$mhd_have_fork_waitpid" = "xyes"])
# gcov compilation
AC_MSG_CHECKING(whether to compile with support for code coverage analysis)
AC_ARG_ENABLE([coverage],
AS_HELP_STRING([--enable-coverage],
[compile the library with code coverage support]),
[use_gcov=${enableval}],
[use_gcov=no])
AC_MSG_RESULT($use_gcov)
AM_CONDITIONAL([USE_COVERAGE], [test "x$use_gcov" = "xyes"])
AX_COUNT_CPUS
AC_MSG_CHECKING([for number of CPU cores to use in tests])
AS_VAR_IF([enable_heavy_tests], ["yes"],
[
# Enable usage of many core if heavy tests are enabled
AS_IF([[test "$CPU_COUNT" -gt "32"]], [[CPU_COUNT="32"]])dnl Limit resource usage
],
[
# Limit usage to just a few cores if heavy tests are not enabled
AS_IF([[test "$CPU_COUNT" -gt "6"]], [[CPU_COUNT="6"]])
AS_IF([[test "$CPU_COUNT" -lt "2"]], [[CPU_COUNT="2"]])
]
)
AC_MSG_RESULT([$CPU_COUNT])
AC_MSG_CHECKING([[whether to enable debug asserts]])
AC_ARG_ENABLE([[asserts]],
[AS_HELP_STRING([[--enable-asserts]],
[enable test build with debug asserts])],
[],
[AS_CASE([${enable_build_type}],[*-hardened],
[enable_compiler_hardening='yes'],[enable_compiler_hardening='no'])]
)
AS_CASE([[$enable_asserts]], [[yes]], [[:]], [[no]], [[:]], [[enable_asserts='no']])
AC_MSG_RESULT([[$enable_asserts]])
AS_VAR_IF([[enable_asserts]], [["yes"]],
[
AC_DEFINE([[_DEBUG]], [[1]], [Define to use debug asserts.])
[mhd_assert_test_prg="#include <assert.h>
int pos_val(void) {return 5;}
int neg_val(void) {return -5;}
int main(void)
{ int pos_var = pos_val(), neg_var = neg_val();
assert(neg_var > pos_var); /* Must trigger assert. */
(void)pos_var; (void)neg_var;
return 0; }
"]
AC_CACHE_CHECK([[whether system assert() is available]], [mhd_cv_sys_assert_avail],
[
AC_LINK_IFELSE([AC_LANG_SOURCE([[$mhd_assert_test_prg]])],
[[mhd_cv_sys_assert_avail='yes']],
[[mhd_cv_sys_assert_avail='no']])
]
)
AS_VAR_IF([[mhd_cv_sys_assert_avail]], [["no"]], [],
[AC_DEFINE([[HAVE_ASSERT]], [[1]], [Define if you have usable assert() and assert.h])])
AS_UNSET([mhd_assert_test_prg])
],
[AC_DEFINE([[NDEBUG]], [[1]], [Define to disable usage of debug asserts.])]
)
AS_UNSET([enabled_sanitizers])
AM_TESTS_ENVIRONMENT=""
AM_ASAN_OPTIONS=""
AM_UBSAN_OPTIONS=""
AM_LSAN_OPTIONS=""
AS_UNSET([ASAN_OPTIONS])
AS_UNSET([UBSAN_OPTIONS])
AS_UNSET([LSAN_OPTIONS])
AC_MSG_CHECKING([whether to enable run-time sanitizers])
AC_ARG_ENABLE([sanitizers],
[AS_HELP_STRING([[--enable-sanitizers[=address,undefined,leak,user-poison]]],
[enable run-time sanitizers, specify the list of types of sanitizers to enable, ]
[leave the list empty (or set to "auto") to enable all suppoted and available ]
[sanitizers, or specify "auto-fallback" to use sanitizers even without ]
[installed sanitizer run-time library])],
[], [enable_sanitizers=no])
AS_IF([test "x${enable_sanitizers}" = "x"], [enable_sanitizers="auto"])
AS_VAR_IF([enable_sanitizers], ["yes"], [enable_sanitizers="auto"])
AS_VAR_IF([enable_sanitizers], ["autofallback"], [enable_sanitizers="auto-fallback"])
AS_VAR_IF([enable_sanitizers], ["autooptional"], [enable_sanitizers="auto-optional"])
AS_IF([test "x${enable_sanitizers}" = "xno"],
[
enable_sanitizers="no"
enable_san_address="no"
enable_san_undef="no"
enable_san_leak="no"
enable_san_upoison="no"
],
[test "x${enable_sanitizers}" = "xauto" || test "x${enable_sanitizers}" = "xauto-optional"],
[
AS_VAR_IF([enable_compiler_hardening],["yes"],
[
AS_VAR_IF([enable_sanitizers],["auto"],
[AC_MSG_ERROR([sanitizers cannot be enabled with compiler hardnening])],
[AC_MSG_WARN([sanitizers cannot be enabled with compiler hardnening])]
)
enable_sanitizers="no"
enable_san_address="no"
enable_san_undef="no"
enable_san_leak="no"
enable_san_upoison="no"
],
[
enable_san_address="auto"
enable_san_undef="auto"
enable_san_leak="auto"
enable_san_upoison="auto"
]
)
],
[test "x${enable_sanitizers}" = "xauto-fallback"],
[
enable_san_address="auto"
enable_san_undef="auto-fallback"
enable_san_leak="auto"
enable_san_upoison="auto"
],
[
AS_UNSET([san])
enable_san_address="no"
enable_san_undef="no"
enable_san_leak="no"
enable_san_upoison="no"
for san in `AS_ECHO([${enable_sanitizers}]) | tr ',' ' '`
do
AS_CASE([$san],
[address], [enable_san_address="yes"],
[undefined], [enable_san_undef="yes"],
[leak], [enable_san_leak="yes"],
[user-poison|user_poison], [enable_san_upoison="yes"],
[no|yes|auto|auto-fallback|autofallback], [AC_MSG_ERROR(["$san" cannot be used with other options for --enable-sanitizers=])],
[AC_MSG_ERROR([Unknown parameter "$san" for --enable-sanitizers=])]
)
done
AS_IF([test "x${enable_san_upoison}" = "xyes" && test "x${enable_san_address}" = "xno"],
[AC_MSG_ERROR([User memory poisoning cannot be used without address sanitizer])]
)
enable_sanitizers="selected"
]
)
AS_CASE([${enable_sanitizers}],
[selected], [AC_MSG_RESULT([selected])],
[auto], [AC_MSG_RESULT([yes, detect and use supported sanitizers])],
[auto-fallback], [AC_MSG_RESULT([yes, detect and use supported sanitizers even without run-time lib])],
[auto-optional], [AC_MSG_RESULT([yes, detect and use supported sanitizers if any])],
[AC_MSG_RESULT([no])]
)
AS_VAR_IF([enable_sanitizers], ["no"], [:],
[
AS_UNSET([san_FLAGS]) # the sanitizer flags to be added to both CFLAGS and LDFLAGS
AS_UNSET([san_CFLAGS]) # the sanitizer flags to be added to CFLAGS
AC_CACHE_CHECK([whether '-fsanitize=' works for $CC],
[mhd_cv_cc_sanitizer_works],
[
CFLAGS="${CFLAGS_ac} -fsanitize=wrongFeatureName ${user_CFLAGS}"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
[mhd_cv_cc_sanitizer_works=no], [mhd_cv_cc_sanitizer_works=yes])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_works], ["yes"],
[
AS_VAR_IF([enable_san_address], ["no"], [:],
[
AC_CACHE_CHECK([for address sanitizer], [mhd_cv_cc_sanitizer_address],
[
CFLAGS="${CFLAGS_ac} ${san_CFLAGS} ${san_FLAGS} -fsanitize=address ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
[mhd_cv_cc_sanitizer_address=yes], [mhd_cv_cc_sanitizer_address=no])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_address],["yes"],
[
AC_DEFINE([MHD_ASAN_ACTIVE], [1], [Define to '1' if you have address sanitizer enabled])
AX_APPEND_FLAG([-fsanitize=address], [san_FLAGS])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }address"
AS_VAR_IF([enable_san_leak], ["no"], [:],
[
AC_CACHE_CHECK([whether leak detect is not rejected by address sanitizer], [mhd_cv_cc_sanitizer_address_leak],
[
CFLAGS="${CFLAGS_ac} ${san_CFLAGS} ${san_FLAGS} ${user_CFLAGS}"
ASAN_OPTIONS="exitcode=88:detect_leaks=1:halt_on_error=1"
export ASAN_OPTIONS
AC_RUN_IFELSE([AC_LANG_PROGRAM([],[])],
[mhd_cv_cc_sanitizer_address_leak=yes], [mhd_cv_cc_sanitizer_address_leak=no],
[
# Cross-compiling with sanitizers?
mhd_cv_cc_sanitizer_address_leak='assuming no'
]
)
AS_UNSET([ASAN_OPTIONS])
]
)
]
)
AC_CACHE_CHECK([for pointer compare sanitizer], [mhd_cv_cc_sanitizer_pointer_compare],
[
CFLAGS="${CFLAGS_ac} ${san_CFLAGS} ${san_FLAGS} -fsanitize=pointer-compare ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
[mhd_cv_cc_sanitizer_pointer_compare=yes], [mhd_cv_cc_sanitizer_pointer_compare=no])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_pointer_compare],["yes"],
[
AX_APPEND_FLAG([-fsanitize=pointer-compare], [san_FLAGS])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }pointer compare"
]
)
AC_CACHE_CHECK([for pointer subtract sanitizer], [mhd_cv_cc_sanitizer_pointer_subtract],
[
CFLAGS="${CFLAGS_ac} ${san_CFLAGS} ${san_FLAGS} -fsanitize=pointer-subtract ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
[mhd_cv_cc_sanitizer_pointer_subtract=yes], [mhd_cv_cc_sanitizer_pointer_subtract=no])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_pointer_subtract],["yes"],
[
AX_APPEND_FLAG([-fsanitize=pointer-subtract], [san_FLAGS])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }pointer subtract"
]
)
AS_VAR_IF([enable_san_upoison], ["no"], [:],
[
AC_CHECK_HEADERS([sanitizer/asan_interface.h], [], [], [AC_INCLUDES_DEFAULT])
AS_IF([test "x${mhd_cv_cc_sanitizer_pointer_compare}" = "xyes" && test "x${ac_cv_header_sanitizer_asan_interface_h}" = "xyes"],
[
AC_CACHE_CHECK([whether '__attribute__((no_sanitize("pointer-compare","pointer-subtract")))' works], [mhd_cv_func_attribute_nosanitize_ptr],
[
ASAN_OPTIONS="exitcode=88:detect_invalid_pointer_pairs=3:halt_on_error=1"
export ASAN_OPTIONS
CFLAGS="${CFLAGS_ac} ${san_CFLAGS} ${san_FLAGS} ${errattr_CFLAGS} ${user_CFLAGS}"
AC_RUN_IFELSE(
[
AC_LANG_PROGRAM(
[[
#include <stdlib.h>
__attribute__((no_sanitize("pointer-compare","pointer-subtract")))
int ptr_process(void *ptr1, void *ptr2)
{
if ((char*)ptr1 <= (char*)ptr2)
return (int) ((char*)ptr2 - (char*)ptr1);
return (int) ((char*)ptr1 - (char*)ptr2);
}
]],
[[
int *a = (int*) malloc (sizeof(int)*4);
int *b = (int*) malloc (sizeof(long)*6);
int c = ptr_process(a, b);
if (c)
{
free (b);
free (a);
return 0;
}
free (a);
free (b);
]]
)
],
[mhd_cv_func_attribute_nosanitize_ptr=yes], [mhd_cv_func_attribute_nosanitize_ptr=no],
[
# Cross-compiling with sanitizers??
mhd_cv_func_attribute_nosanitize_ptr='assuming no'
]
)
AS_UNSET([ASAN_OPTIONS])
]
)
AS_VAR_IF([mhd_cv_func_attribute_nosanitize_ptr], ["yes"],
[AC_DEFINE([FUNC_ATTR_PTRCOMPARE_WOKRS],[1],[Define to '1' if '__attribute__((no_sanitize("pointer-compare","pointer-subtract")))' works])],
[
AC_CACHE_CHECK([whether '__attribute__((no_sanitize("address")))' works for pointers compare], [mhd_cv_func_attribute_nosanitize_addr],
[
ASAN_OPTIONS="exitcode=88:detect_invalid_pointer_pairs=3:halt_on_error=1"
export ASAN_OPTIONS
CFLAGS="${CFLAGS_ac} ${san_CFLAGS} ${san_FLAGS} ${errattr_CFLAGS} ${user_CFLAGS}"
AC_RUN_IFELSE(
[
AC_LANG_PROGRAM(
[[
#include <stdlib.h>
__attribute__((no_sanitize("address")))
int ptr_process(void *ptr1, void *ptr2)
{
if ((char*)ptr1 <= (char*)ptr2)
return (int) ((char*)ptr2 - (char*)ptr1);
return (int) ((char*)ptr1 - (char*)ptr2);
}
]],
[[
int *a = (int*) malloc (sizeof(int)*4);
int *b = (int*) malloc (sizeof(long)*6);
int c = ptr_process(a, b);
if (c)
{
free (b);
free (a);
return 0;
}
free (a);
free (b);
]]
)
],
[mhd_cv_func_attribute_nosanitize_addr=yes], [mhd_cv_func_attribute_nosanitize_addr=no],
[
# Cross-compiling with sanitizers??
mhd_cv_func_attribute_nosanitize_addr='assuming no'
]
)
AS_UNSET([ASAN_OPTIONS])
]
)
AS_VAR_IF([mhd_cv_func_attribute_nosanitize_addr], ["yes"],
[AC_DEFINE([FUNC_ATTR_NOSANITIZE_WORKS],[1],[Define to '1' if '__attribute__((no_sanitize("address")))' works for pointers compare])]
)
]
)
]
)
]
)
]
)
AS_IF([test "x${enable_san_address}" = "xyes" && test "x${mhd_cv_cc_sanitizer_address}" != "xyes"],
[AC_MSG_ERROR([Address sanitizer cannot be enabled])]
)
enable_san_address="${mhd_cv_cc_sanitizer_address}"
]
)
AS_VAR_IF([enable_san_undef], ["no"], [:],
[
dnl Ensure that '#' will be processed correctly
[
test_undf_prog='
#include <stdio.h>
void func_out_b(char *arr)
{
arr[0] = 0;
arr[16] = 2;
}
unsigned int int_deref(void *ptr)
{
return (*((int*)ptr)) + 2;
}
int func1(void)
{
char chr[16];
func_out_b (chr);
return int_deref(chr + 1) + int_deref(chr + 2);
}
int main(void)
{
unsigned long ulvar;
signed char ch1;
ulvar = -1 * func1();
ch1 = ulvar * 6UL;
printf("%lu\n", ulvar + ch1);
return 0;
}
'
]
AC_CACHE_CHECK([for undefined behavior sanitizer], [mhd_cv_cc_sanitizer_undefined],
[
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} -fsanitize=undefined ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
[mhd_cv_cc_sanitizer_undefined=yes], [mhd_cv_cc_sanitizer_undefined=no])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_undefined],["yes"],
[
AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }undefined"
],
[
AS_CASE([${enable_san_undef}], [yes|auto-fallback],
[
AC_CACHE_CHECK([for undefined behavior sanitizer with '-fsanitize-undefined-trap-on-error'], [mhd_cv_cc_sanitizer_undefined_trap],
[
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} -fsanitize=undefined -fsanitize-undefined-trap-on-error ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
[mhd_cv_cc_sanitizer_undefined_trap=yes], [mhd_cv_cc_sanitizer_undefined_trap=no])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_undefined_trap], ["yes"],
[
AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
AX_APPEND_FLAG([-fsanitize-undefined-trap-on-error], [san_FLAGS])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }undefined"
AC_MSG_WARN([Enabled sanitizer without run-time library, error reporting will be limited])
],
[
AS_IF([test -z "${enabled_sanitizers}"],
[
# Last resort
AC_CACHE_CHECK([for undefined behavior sanitizer with '-fsanitize-trap=all'], [mhd_cv_cc_sanitizer_undefined_trap_all],
[
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} -fsanitize=undefined -fsanitize-trap=all ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_SOURCE([${test_undf_prog}])],
[mhd_cv_cc_sanitizer_undefined_trap_all=yes], [mhd_cv_cc_sanitizer_undefined_trap_all=no])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_undefined_trap_all],["yes"],
[
AX_APPEND_FLAG([-fsanitize=undefined], [san_FLAGS])
AX_APPEND_FLAG([-fsanitize-trap=all], [san_FLAGS])
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} -fsanitize=undefined -fsanitize-trap=all ${user_CFLAGS}"
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }undefined"
AC_MSG_WARN([Enabled sanitizer without run-time library, error reporting will be limited])
]
)
]
)
]
)
AS_CASE(["$enabled_sanitizers"], [*undefined],
[
AS_VAR_IF([mhd_cv_cc_sanitizer_undefined], ["yes"],[],
[
# A workaround for broken clang which is trying to use UBSan lib
# even when instructed to not use it
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} ${user_CFLAGS}"
AX_APPEND_LINK_FLAGS([-fsanitize-trap=implicit-conversion],
[san_FLAGS], [], [AC_LANG_SOURCE([${test_undf_prog}])])
]
)
]
)
]
)
]
)
AS_CASE(["$enabled_sanitizers"], [*undefined],
[
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} ${user_CFLAGS}"
AX_APPEND_LINK_FLAGS([-fsanitize=bounds-strict -fsanitize=local-bounds -fsanitize=implicit-conversion -fsanitize=nullability-arg],
[san_CFLAGS], [], [AC_LANG_SOURCE([${test_undf_prog}])])
]
)
AS_UNSET([test_undf_prog])
AS_CASE(["$enabled_sanitizers"],
[*undefined], [enable_san_undef="yes"],
[
AS_VAR_IF([enable_san_undef], [yes], [AC_MSG_ERROR([Undefined behavior sanitizer cannot be enabled])])
enable_san_undef="no"
]
)
]
)
AS_VAR_IF([enable_san_leak], ["no"], [:],
[
AC_CACHE_CHECK([for leak sanitizer], [mhd_cv_cc_sanitizer_leak],
[
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} -fsanitize=leak ${user_CFLAGS}"
AC_LINK_IFELSE([AC_LANG_PROGRAM([],[])],
[mhd_cv_cc_sanitizer_leak=yes], [mhd_cv_cc_sanitizer_leak=no])
]
)
AS_VAR_IF([mhd_cv_cc_sanitizer_leak],["yes"],
[
AX_APPEND_FLAG([-fsanitize=leak], [san_FLAGS])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }leak"
]
)
AS_IF([test "x${enable_san_leak}" = "xyes" && test "x${mhd_cv_cc_sanitizer_leak}" != "xyes"],
[AC_MSG_ERROR([User poison cannot be enabled])]
)
enable_san_leak="${mhd_cv_cc_sanitizer_leak}"
]
)
AS_IF([test -z "${enabled_sanitizers}"],
[
AS_VAR_IF([enable_sanitizers], ["auto-optional"],
[
san_FLAGS=""
san_CFLAGS=""
],
[
AC_MSG_ERROR([cannot find any sanitizer supported by $CC])
]
)
],
[
AS_VAR_IF([enable_san_upoison], ["no"], [:],
[
AC_MSG_CHECKING([whether to enable user memory poisoning])
AS_IF([test "x${mhd_cv_cc_sanitizer_address}" = "xyes" && test "x${mhd_cv_cc_sanitizer_pointer_compare}" = "xyes" && \
test "x${ac_cv_header_sanitizer_asan_interface_h}" = "xyes" && \
(test "x${mhd_cv_func_attribute_nosanitize_ptr}" = "xyes" || test "x${mhd_cv_func_attribute_nosanitize_addr}" = "xyes")],
[
AC_DEFINE([MHD_ASAN_POISON_ACTIVE], [1], [Define to '1' if user memory poison is used])
enabled_sanitizers="${enabled_sanitizers}${enabled_sanitizers:+, }user-poison"
enable_san_upoison="yes"
AC_MSG_RESULT([yes])
],
[
AC_MSG_RESULT([no])
AS_VAR_IF([enable_san_upoison], ["yes"],
[AC_MSG_ERROR([User memory poisoning cannot be enabled])])
enable_san_upoison="no"
]
)
]
)
AS_VAR_IF([enable_san_address], ["yes"],
[
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} ${user_CFLAGS}"
AX_APPEND_COMPILE_FLAGS([-Wp,-U_FORTIFY_SOURCE], [san_CFLAGS])
AX_APPEND_FLAG([-D_FORTIFY_SOURCE=0], [san_CFLAGS])
],
[
AS_CASE([$enable_sanitizers], [auto|auto-fallback],
[AC_MSG_WARN([$CC does not support address sanitizer])])
]
)
CFLAGS="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS} ${user_CFLAGS}"
# Always stop on sanitizer error
AX_APPEND_COMPILE_FLAGS([-fno-sanitize-recover=all], [san_CFLAGS])
# Get a better output for sanitizers error reporting
AX_APPEND_COMPILE_FLAGS([-fno-omit-frame-pointer -fno-optimize-sibling-calls],
[san_CFLAGS])
AS_VAR_IF([enable_san_address], ["yes"],
[
AM_ASAN_OPTIONS="exitcode=88:strict_string_checks=1:detect_stack_use_after_return=1"
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:check_initialization_order=1:strict_init_order=1:redzone=64"
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:max_free_fill_size=1024:detect_invalid_pointer_pairs=3"
AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:handle_ioctl=1:halt_on_error=1"
AS_VAR_IF([enable_san_upoison], ["yes"], [AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:allow_user_poisoning=1"])
AS_VAR_IF([enable_san_leak], ["yes"],
[AS_VAR_IF([mhd_cv_cc_sanitizer_address_leak], ["yes"],
[AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:detect_leaks=1"])
], [AM_ASAN_OPTIONS="${AM_ASAN_OPTIONS}:detect_leaks=0"]
)
]
)
AS_VAR_IF([enable_san_undef], [yes],
[AM_UBSAN_OPTIONS="exitcode=87:print_stacktrace=1:halt_on_error=1"])
AS_VAR_IF([enable_san_leak], ["yes"],
[AM_LSAN_OPTIONS="use_unaligned=1"]
)
AM_TESTS_ENVIRONMENT='\
ASAN_OPTIONS="$(AM_ASAN_OPTIONS)" ; export ASAN_OPTIONS ; \
UBSAN_OPTIONS="$(AM_UBSAN_OPTIONS)" ; export UBSAN_OPTIONS ; \
LSAN_OPTIONS="$(AM_LSAN_OPTIONS)" ; export LSAN_OPTIONS ;'
]
)
]
)
CFLAGS_ac="${CFLAGS_ac} ${san_FLAGS} ${san_CFLAGS}"
CFLAGS="${CFLAGS_ac} ${user_CFLAGS}"
]
)
AM_CONDITIONAL([USE_SANITIZERS],
[test -n "$enabled_sanitizers" && test "x$mhd_cv_cc_sanitizer_works" = "xyes"])
AC_SUBST([AM_ASAN_OPTIONS])
AC_SUBST([AM_UBSAN_OPTIONS])
AC_SUBST([AM_LSAN_OPTIONS])
AC_SUBST([AM_TESTS_ENVIRONMENT])
MHD_LIB_LDFLAGS="$MHD_LIB_LDFLAGS"
AC_SUBST([CPU_COUNT])
AC_SUBST([HEAVY_TESTS_NOTPARALLEL])
AM_SUBST_NOTMAKE([HEAVY_TESTS_NOTPARALLEL])
AC_SUBST(MHD_LIB_CPPFLAGS)
AC_SUBST(MHD_LIB_CFLAGS)
AC_SUBST(MHD_LIB_LDFLAGS)
AC_SUBST(MHD_LIBDEPS)
AC_SUBST(MHD_TLS_LIB_CPPFLAGS)
AC_SUBST(MHD_TLS_LIB_CFLAGS)
AC_SUBST(MHD_TLS_LIB_LDFLAGS)
AC_SUBST(MHD_TLS_LIBDEPS)
# for pkg-config
AC_SUBST([MHD_REQ_PRIVATE])
AC_SUBST([MHD_LIBDEPS_PKGCFG])
# Restore flags as set by the user
CFLAGS="${user_CFLAGS}"
LDFLAGS="${user_LDFLAGS}"
CPPFLAGS="${user_CPPFLAGS}"
AC_SUBST([CFLAGS])
AC_SUBST([LDFLAGS])
AC_SUBST([CPPFLAGS])
AC_SUBST([LIBS])
# Configure-defined flags
AC_SUBST([CFLAGS_ac])
AC_SUBST([LDFLAGS_ac])
AC_SUBST([CPPFLAGS_ac])
# Used for 'po' directory staff
AC_SUBST([ac_configure_args])
AC_SUBST([EMPTY_VAR], [[]])
# We define the paths here, because MinGW/GCC expands paths
# passed through the command line ("-DDIR=..."). This would
# lead to hard-coded paths ("C:\mingw\mingw\bin...") that do
# not contain the actual installation.
AC_DEFINE_DIR([MHD_PLUGIN_INSTALL_PREFIX], [libdir/libmicrohttpd], [tls plugins])
# should experimental code be compiled (code that may not yet compile)?
AC_MSG_CHECKING(whether to compile experimental code)
AC_ARG_ENABLE([experimental],
[AS_HELP_STRING([--enable-experimental], [enable compiling experimental code])],
[enable_experimental=${enableval}],
[enable_experimental=no])
AC_MSG_RESULT($enable_experimental)
AM_CONDITIONAL([HAVE_EXPERIMENTAL], [test "x$enable_experimental" = "xyes"])
AC_CONFIG_FILES([libmicrohttpd.pc
w32/common/microhttpd_dll_res_vc.rc
Makefile
po/po-configure.ac
contrib/Makefile
doc/Makefile
doc/doxygen/libmicrohttpd.doxy
doc/doxygen/Makefile
doc/examples/Makefile
m4/Makefile
src/Makefile
src/include/Makefile
src/lib/Makefile
src/microhttpd/Makefile
src/microhttpd_ws/Makefile
src/examples/Makefile
src/testcurl/Makefile
src/testcurl/https/Makefile
src/testzzuf/Makefile])
AC_OUTPUT
# Finally: summary
# Format flags without extra spaces for visual beauty
fin_CPPFLAGS="$user_CPPFLAGS"
fin_CFLAGS="$user_CFLAGS"
fin_LDFLAGS="$user_LDFLAGS"
MHD_PREPEND_FLAG_TO_VAR([fin_CPPFLAGS],[$CPPFLAGS_ac])
MHD_PREPEND_FLAG_TO_VAR([fin_CFLAGS],[$CFLAGS_ac])
MHD_PREPEND_FLAG_TO_VAR([fin_LDFLAGS],[$LDFLAGS_ac])
fin_lib_CPPFLAGS="$user_CPPFLAGS"
fin_lib_CFLAGS="$user_CFLAGS"
fin_lib_LDFLAGS="$user_LDFLAGS"
MHD_PREPEND_FLAG_TO_VAR([fin_lib_CPPFLAGS],[$MHD_LIB_CPPFLAGS])
MHD_PREPEND_FLAG_TO_VAR([fin_lib_CFLAGS],[$MHD_LIB_CFLAGS])
MHD_PREPEND_FLAG_TO_VAR([fin_lib_LDFLAGS],[$MHD_LIB_LDFLAGS])
MHD_PREPEND_FLAG_TO_VAR([fin_lib_CPPFLAGS],[$CPPFLAGS_ac])
MHD_PREPEND_FLAG_TO_VAR([fin_lib_CFLAGS],[$CFLAGS_ac])
MHD_PREPEND_FLAG_TO_VAR([fin_lib_LDFLAGS],[$LDFLAGS_ac])
AC_MSG_NOTICE([Toolchain flags:
CC=$CC
User/system flags:
CPPFLAGS="$user_CPPFLAGS"
CFLAGS= "$user_CFLAGS"
LDFLAGS= "$user_LDFLAGS"
Final set of the flags for tests and examples:
CPPFLAGS="$fin_CPPFLAGS"
CFLAGS= "$fin_CFLAGS"
LDFLAGS= "$fin_LDFLAGS"
Final set of the flags for ${PACKAGE_NAME} library:
CPPFLAGS="$fin_lib_CPPFLAGS"
CFLAGS= "$fin_lib_CFLAGS"
LDFLAGS= "$fin_lib_LDFLAGS"
])
AS_UNSET([fin_CPPFLAGS])
AS_UNSET([fin_CFLAGS])
AS_UNSET([fin_LDFLAGS])
AS_UNSET([fin_lib_CPPFLAGS])
AS_UNSET([fin_lib_CFLAGS])
AS_UNSET([fin_lib_LDFLAGS])
AS_IF([test "x$enable_curl" != "xyes"],
[MSG_CURL="no, many unit tests will not run"],
[MSG_CURL="yes"])
AS_VAR_IF([os_is_windows], ["yes"],
[os_ver_msg="
Target W32 ver: ${mhd_w32_ver_msg}"], [AS_UNSET([[os_ver_msg]])])
AC_MSG_NOTICE([GNU libmicrohttpd ${PACKAGE_VERSION} Configuration Summary:
Target directory: ${prefix}
Cross-compiling: ${cross_compiling}
Operating System: ${mhd_host_os}${os_ver_msg}
Shutdown of listening socket triggers select: ${mhd_cv_host_shtdwn_trgr_select}
Inter-thread comm: ${use_itc}
poll support: ${enable_poll=no}
epoll support: ${enable_epoll=no}
sendfile used: ${found_sendfile}
HTTPS support: ${MSG_HTTPS}
Threading lib: ${USE_THREADS}
Use thread names: ${enable_thread_names}
Use debug asserts: ${enable_asserts}
Use sanitizers: ${enabled_sanitizers:=no}
Messages: ${enable_messages}
Basic auth.: ${enable_bauth}
Digest auth.: ${enable_dauth}
HTTP "Upgrade": ${enable_httpupgrade}
Postproc: ${enable_postprocessor}
Build docs: ${enable_doc}
Build examples: ${enable_examples}
Test with libcurl: ${MSG_CURL}
])
AS_IF([test "x$enable_https" = "xyes"],
[AC_MSG_NOTICE([HTTPS subsystem configuration:
License : LGPL version 2.1 or any later version
])],
[AC_MSG_NOTICE([
License : LGPLv2.1+ or eCos
])])
AS_IF([test "x$enable_bauth" != "xyes" || \
test "x$enable_dauth" != "xyes" || \
test "x$enable_httpupgrade" != "xyes" || \
test "x$enable_postprocessor" != "xyes"],
[AC_MSG_NOTICE([WARNING: This will be a custom build with missing symbols. Do NOT use this build in a distribution. Building with these kinds of configure options is only for custom builds for embedded systems.])])
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