[gnome-initial-setup] Use GNOME_COMPILE_WARNINGS([maximum])

[Jasper St. Pierre <jstpierre src gnome org>]

commit 91c18b9155e3dd99a6efbf2009899b397e642a0f
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Tue Nov 13 18:51:05 2012 -0500

    Use GNOME_COMPILE_WARNINGS([maximum])

 Makefile.am  |    1 +
 configure.ac |   10 ++--------
 2 files changed, 3 insertions(+), 8 deletions(-)
---
diff --git a/Makefile.am b/Makefile.am
index 85f71ee..6659654 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,5 +1,6 @@
 
 ACLOCAL_AMFLAGS = -I m4 ${ACLOCAL_FLAGS}
+AM_CFLAGS = ${WARN_CFLAGS}
 
 SUBDIRS = data gnome-initial-setup player po
 
diff --git a/configure.ac b/configure.ac
index 0ee932f..198c1b5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -111,14 +111,8 @@ AC_SUBST(INITIAL_SETUP_LIBS)
 
 PKG_CHECK_MODULES(PLAYER, [clutter-gst-1.0 clutter-x11-1.0])
 
-if test "$GCC" = "yes"; then
-        CFLAGS="\
-        -Wall \
-        -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes \
-        -Wnested-externs -Wpointer-arith \
-        -Wcast-align -Wsign-compare \
-        -Werror $CFLAGS"
-fi
+GNOME_COMPILE_WARNINGS([maximum])
+GNOME_MAINTAINER_MODE_DEFINES
 
 AC_SUBST(CFLAGS)
 AC_PATH_PROG(GLIB_COMPILE_RESOURCES, glib-compile-resources)