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configure: minor fixes in ITC type detection

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This commit is contained in:
Evgeny Grin (Karlson2k)
2022-01-10 15:20:06 +03:00
parent 0a76e006e5
commit d70dd21369
1 changed files with 28 additions and 21 deletions
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configure.ac
+28 -21
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@@ -1599,7 +1599,7 @@ AS_CASE([[$enable_itc]],
[[no]], [AC_MSG_ERROR([[inter-thread communication cannot be disabled]])],
[AC_MSG_ERROR([[unrecognized type "$enable_itc" of inter-thread communication specified by "--enable-itc=$enable_itc"]])]
)
# AS_UNSET([[use_itc]])
AS_UNSET([[use_itc]])
AS_IF([[test "x$enable_itc" = "xeventfd" || test "x$enable_itc" = "xauto"]], [
AS_VAR_IF([[os_is_native_w32]], [["yes"]], [], [
@@ -1611,7 +1611,8 @@ AS_IF([[test "x$enable_itc" = "xeventfd" || test "x$enable_itc" = "xauto"]], [
#include <sys/eventfd.h>
]], [[
int ef = eventfd(0, EFD_CLOEXEC | EFD_NONBLOCK);
if (ef) return ef - 1;
if (ef < 0) return 1;
close (ef);
]])
], [[mhd_cv_eventfd_usable='yes']], [[mhd_cv_eventfd_usable='no']])
])
@@ -1638,18 +1639,20 @@ AC_INCLUDES_DEFAULT
], [[
int arr[2];
int res;
res = pipe(arr)
res = pipe(arr);
if (res != 0) return 1;
close (arr[0]);
close (arr[1]);
]])
], [[mhd_cv_pipe_usable='yes']], [[mhd_cv_pipe_usable='no']])
])
])
AS_VAR_IF([[mhd_cv_pipe_usable]], [["yes"]], [
use_itc='pipe'
enable_itc="$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_LINK_IFELSE([
AC_LANG_PROGRAM([
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_LINK_IFELSE([
AC_LANG_PROGRAM([
AC_INCLUDES_DEFAULT
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
@@ -1657,17 +1660,21 @@ AC_INCLUDES_DEFAULT
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
], [[
int arr[2];
int res;
res = pipe2(arr, O_CLOEXEC | O_NONBLOCK)
]])
], [[mhd_cv_pipe2_usable='yes']], [[mhd_cv_pipe2_usable='no']])
], [[
int arr[2];
int res;
res = pipe2(arr, O_CLOEXEC | O_NONBLOCK);
if (res != 0) return 1;
close (arr[0]);
close (arr[1]);
]])
], [[mhd_cv_pipe2_usable='yes']], [[mhd_cv_pipe2_usable='no']])
])
AS_VAR_IF([[mhd_cv_pipe2_usable]], [["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_VAR_IF([[mhd_cv_pipe2_usable]], [["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]])])
])
])