[xine-cvs] CVS: xine-lib/m4 _xine.m4,1.22,1.23

[Daniel Caujolle-B. <f1...@us...>]

Update of /cvsroot/xine/xine-lib/m4
In directory usw-pr-cvs1:/tmp/cvs-serv24807/m4

Modified Files:
	_xine.m4 
Log Message:
Add AC_C_ALWAYS_INLINE from Michel Lespinasse.


Index: _xine.m4
===================================================================
RCS file: /cvsroot/xine/xine-lib/m4/_xine.m4,v
retrieving revision 1.22
retrieving revision 1.23
diff -u -r1.22 -r1.23
--- _xine.m4	25 Feb 2002 23:44:05 -0000	1.22
+++ _xine.m4	4 Jun 2002 22:37:53 -0000	1.23
@@ -1,3 +1,22 @@
+dnl AC_C_ALWAYS_INLINE
+dnl Define inline to something appropriate, including the new always_inline
+dnl attribute from gcc 3.1
+dnl Thanks to Michel LESPINASSE <wa...@zo...>
+AC_DEFUN([AC_C_ALWAYS_INLINE],
+    [AC_C_INLINE
+    if test x"$GCC" = x"yes" -a x"$ac_cv_c_inline" = x"inline"; then
+        AC_MSG_CHECKING([for always_inline])
+        SAVE_CFLAGS="$CFLAGS"
+        CFLAGS="$CFLAGS -Wall -Werror"
+        AC_TRY_COMPILE([],[__attribute__ ((__always_inline__)) void f (void);],
+            [ac_cv_always_inline=yes],[ac_cv_always_inline=no])
+        CFLAGS="$SAVE_CFLAGS"
+        AC_MSG_RESULT([$ac_cv_always_inline])
+        if test x"$ac_cv_always_inline" = x"yes"; then
+            AC_DEFINE_UNQUOTED([inline],[__attribute__ ((__always_inline__))])
+        fi
+    fi])
+
 dnl
 dnl Check for divx4.
 dnl AC_CHECK_DIVX4([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]])