Mine

diff --git a/configure.ac b/configure.ac
index 54bed73..60426bd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1988,8 +1988,10 @@ dnl Enable building libvirtd?
 AM_CONDITIONAL([WITH_LIBVIRTD],[test "x$with_libvirtd" = "xyes"])
 
 dnl Check for gettext - don't go any newer than what RHEL 5 supports
+save_gettext_CPPFLAGS="$CPPFLAGS"
 AM_GNU_GETTEXT_VERSION([0.17])
 AM_GNU_GETTEXT([external])
+CPPFLAGS="$save_gettext_CPPFLAGS"
 
 ALL_LINGUAS=`cd "$srcdir/po" > /dev/null && ls *.po | sed 's+\.po$++'`