[libegg] configure.ac: Added AM_PROG_CC_C_O for compiling per-target flags

[Javier JardÃn <jjardon src gnome org>]

commit a31c0cb74895778d594b0a2777e2794db6caa233
Author: Javier JardÃn <jjardon gnome org>
Date:   Fri Sep 16 14:08:21 2011 +0200

    configure.ac: Added AM_PROG_CC_C_O for compiling per-target flags

 configure.ac |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 44271f2..e0130e9 100644
--- a/configure.ac
+++ b/configure.ac
@@ -14,6 +14,7 @@ m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 # Check for programs
 AC_PROG_CC
+AM_PROG_CC_C_O
 AC_HEADER_STDC
 
 # Initialize libtool