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authorWladimir J. van der Laan <laanwj@gmail.com>2017-03-05 09:29:37 +0000
committerWladimir J. van der Laan <laanwj@gmail.com>2017-03-05 09:29:37 +0000
commitc459d509b7c7fe7d8200ea3791d1ef0b245126ab (patch)
tree1680a383df94368ac23b57d495d99352ce0220d3 /configure.ac
parent53c300fb525ab3e21206d47d8353f5246b4f24d1 (diff)
build: Probe MSG_DONTWAIT in the same way as MSG_NOSIGNAL
Instead of the WIN32-specific workaround, detect lack of `MSG_DONTWAIT` in the build system. This allows other platforms without `MSG_DONTWAIT` to work too.
Diffstat (limited to 'configure.ac')
-rw-r--r--configure.ac9
1 files changed, 9 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index d25bebeb1a..65f7fa0739 100644
--- a/configure.ac
+++ b/configure.ac
@@ -558,6 +558,15 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]],
[ AC_MSG_RESULT(no)]
)
+dnl Check for MSG_DONTWAIT
+AC_MSG_CHECKING(for MSG_DONTWAIT)
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/socket.h>]],
+ [[ int f = MSG_DONTWAIT; ]])],
+ [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_DONTWAIT, 1,[Define this symbol if you have MSG_DONTWAIT]) ],
+ [ AC_MSG_RESULT(no)]
+)
+
+
AC_MSG_CHECKING([for visibility attribute])
AC_LINK_IFELSE([AC_LANG_SOURCE([
int foo_def( void ) __attribute__((visibility("default")));