anjuta: fix gcc6 build

srcpkgs/anjuta/template

@@ -1,7 +1,7 @@
 # Template file for 'anjuta'
 pkgname=anjuta
 version=3.22.0
-revision=1
+revision=2
 build_style=gnu-configure
 build_options="gir"
 configure_args="$(vopt_enable gir introspection)"
@@ -26,6 +26,14 @@ if [ -z "$CROSS_BUILD" ]; then
 	build_options_default="gir"
 fi
 
+CFLAGS="-O2 -Wno-deprecated-declarations"
+
+_gccver=$(gcc --version | awk '/^gcc \(GCC\)/ { print $3 }')
+if [ "${_gccver%%.*}" -gt 5 ]; then
+	CFLAGS+=" -Wno-error=format-nonliteral -Wno-error=format-y2k"
+fi
+CXXFLAGS="${CFLAGS}"
+
 anjuta-devel_package() {
 	replaces="anjuta-docs>=0"
 	short_desc+=" - development files"