Request explicitly POSIX.1-2001 for clock_gettime.

This might actually call for a rewrite of system extensions handling.

diff --git a/configure.ac b/configure.ac
index 112a1a8..9b49f23 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -74,6 +74,9 @@ case $host in
       AC_DEFINE(_XOPEN_SOURCE,        600, Needed to get declarations for msg_control and msg_controllen on Solaris)
       AC_DEFINE(__EXTENSIONS__,         1, Needed to get declarations for msg_control and msg_controllen on Solaris)
       ;;
+   *-*-darwin* )
+      AC_DEFINE([_POSIX_C_SOURCE], [200112L], [Needed to get clock_gettime on Mac OS X])
+      ;;
 esac
 
 AM_SILENT_RULES([yes])