mirrors/libmicrohttpd
2
0
Fork 0
mirror of https://git.gnunet.org/libmicrohttpd.git synced 2026-09-27 04:09:31 +03:00
Code Issues Packages Projects Releases Wiki Activity

configure: added parameter to disable sendfile().

Browse Source
This commit is contained in:
Evgeny Grin (Karlson2k)
2017-11-26 17:06:04 +03:00
parent 7a66082eee
commit 7738609fe2
1 changed files with 40 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files
configure.ac
+40 -24
View File
@@ -1248,11 +1248,22 @@ AC_FUNC_FSEEKO
AC_CHECK_FUNCS([lseek64 pread64 pread])
# check for various sendfile functions
found_sendfile="no"
AC_MSG_CHECKING([[for Linux-style sendfile(2)]])
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
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)
@@ -1262,25 +1273,27 @@ static void empty_func(void)
}
/* 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]])
]],
[[
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"]],
@@ -1411,6 +1424,9 @@ ssize_t sendfile(int out_fd, int in_fd,
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]])