rpi-userland: get rid of -Werror... too many warnings.

srcpkgs/rpi-userland/template

@@ -16,9 +16,6 @@ homepage="https://github.com/raspberrypi/userland"
 distfiles="https://github.com/raspberrypi/userland/archive/${_githash}.tar.gz"
 checksum=601ad724e536272a43a02ae8217bd21cbd3e9a17ca1adc70b1d28fcb50864d44
 
-broken="too many compiler warnings and -Werror turned on"
-
-CFLAGS="-Wno-error"
 LDFLAGS="-Wl,--no-as-needed"
 only_for_archs="armv6l armv6l-musl armv7l armv7l-musl"
 
@@ -40,6 +37,11 @@ shlib_provides="
  libGLESv2.so
  libEGL.so"
 
+pre_configure() {
+	for f in $(find ${wrksrc} -type f -name CMakeLists.txt); do
+		sed -i 's,-Werror,,g' $f
+	done
+}
 post_install() {
 	vmkdir usr/lib/pkgconfig
 	vcopy ${FILESDIR}/*.pc usr/lib/pkgconfig