devil: fix build with gcc5

srcpkgs/devil/template

@@ -1,7 +1,7 @@
 # Template file for 'devil'
 pkgname=devil
 version=1.7.8
-revision=2
+revision=3
 build_style=gnu-configure
 configure_args="--enable-ILU --enable-ILUT --with-examples"
 hostmakedepends="automake libtool pkg-config"
@@ -27,6 +27,17 @@ pre_configure() {
 		-i ${wrksrc}/src-IL/src/il_icon.c
 }
 
+post_configure() {
+	local _gccver
+
+	# Disable RESTRICT_KEYWORD for gcc5
+	_gccver=$(gcc --version|awk '/^gcc / { print $3 }')
+	if [ "${_gccver%%.*}" -gt 4 ]; then
+		sed -i include/IL/config.h \
+			-e's;#define RESTRICT_KEYWORD.*;#undef RESTRICT_KEYWORD;'
+	fi
+}
+
 devil-devel_package() {
 	depends="${makedepends} ${sourcepkg}>=${version}_${revision}"
 	short_desc+=" - development files"