sdl2_image: requires automake 1.13.x.

media-libs/sdl2_image/sdl2_image-2.0.0.recipe

@@ -46,8 +46,8 @@ BUILD_REQUIRES="
 
 BUILD_PREREQUIRES="
 	cmd:libtoolize
-	cmd:aclocal
-	cmd:automake
+	cmd:aclocal_1.13
+	cmd:automake_1.13
 	cmd:autoconf
 	cmd:dos2unix
 	cmd:gcc$secondaryArchSuffix
@@ -60,9 +60,11 @@ SOURCE_DIR="SDL2_image-$portVersion"
 
 BUILD()
 {
+	touch INSTALL NEWS README AUTHORS ChangeLog COPYING
 	libtoolize --copy --force --install
-	aclocal --install -I acinclude
+	aclocal-1.13 --install -I acinclude
 	autoconf
+	automake-1.13
 	dos2unix miniz.h
 	runConfigure ./configure --enable-jpg-shared=no --enable-png-shared=no \
 		--enable-tif-shared=no --enable-webp-shared=no