commit 8ed8c78c36fb652209afb810191f69e16be24b08
Author: Alberto Garcia <berto@igalia.com>
Date:   Tue Sep 20 01:40:51 2016 +0300

    Remove deprecated autoconf macros
    
    https://bugzilla.gnome.org/show_bug.cgi?id=768557

diff --git a/configure.ac b/configure.ac
index a3242ac..3b843d3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -69,11 +69,9 @@ AC_SUBST([GRLPLS_LT_VERSION])
 # ENVIRONMENT CONFIGURATION
 # ----------------------------------------------------------
 
-GNOME_COMPILE_WARNINGS([maximum])
+AX_COMPILER_FLAGS([WARN_CFLAGS],[WARN_LDFLAGS],[yes])
 CFLAGS+=" ${WARN_CFLAGS} -Wmissing-declarations -std=c99 "
 
-GNOME_MAINTAINER_MODE_DEFINES
-
 # ----------------------------------------------------------
 # DEFINITIONS
 # ----------------------------------------------------------
