commit e7d0414f37970dc7bf0770459760fc7a55a5aa95
Author: Nicolas Morey-Chaisemartin <NMoreyChaisemartin@suse.com>
Date:   Wed Aug 9 17:31:57 2017 +0200

    Fix gcc7 and gcc8
    
    Fix compilation errors for GCC7 and GCC8
    
    Signed-off-by: Nicolas Morey-Chaisemartin <NMoreyChaisemartin@suse.com>

diff --git configure.ac configure.ac
index 78a3b48c5331..4e31ac8794e4 100644
--- configure.ac
+++ configure.ac
@@ -166,6 +166,7 @@ AS_IF([test "x$enable_dynamic_ld" = "xyes"], [
 ])
 
 CFLAGS="$CFLAGS -DMST_UL"
+CPPFLAGS="$CPPFLAGS -DMST_UL"
 CXXFLAGS="$CXXFLAGS -DMST_UL"
 
 AM_CFLAGS="-Wall -Werror"