[glib] Add required defines on solaris for GSocket to build (#582856)

[Alexander Larsson <alexl src gnome org>]

commit 623f99dc3dee7712da4ac209ba445b2199b2963c
Author: Alexander Larsson <alexl redhat com>
Date:   Wed May 27 11:11:37 2009 +0200

    Add required defines on solaris for GSocket to build (#582856)
    
    Turns out that the msg_control and related things are not defined in the
    system headers unless you define some _XOPEN_SOURCE things.
---
 configure.in |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/configure.in b/configure.in
index 185a25f..e25431e 100644
--- a/configure.in
+++ b/configure.in
@@ -1010,6 +1010,14 @@ if test $glib_native_win32 = no; then
   AC_SUBST(LIBASYNCNS_LIBADD)
 fi
 
+case $host in
+  *-*-solaris* )
+     AC_DEFINE(_XOPEN_SOURCE_EXTENDED, 1, Needed to get declarations for msg_control and msg_controllen on Solaris)
+     AC_DEFINE(_XOPEN_SOURCE,          2, 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)
+     ;;
+esac
+
 dnl
 dnl if statfs() takes 2 arguments (Posix) or 4 (Solaris)
 dnl