libGL: fix armv6* build (disable neon)

srcpkgs/libGL/template

@@ -15,10 +15,6 @@ license="MIT, LGPL-2.1"
 distfiles="https://mesa.freedesktop.org/archive/mesa-${version}.tar.xz"
 checksum=cf234a6ed4764673886b6661553b54675776ef0898f774716173cec890ac3b17
 
-case "$XBPS_TARGET_MACHINE" in
-	armv6*) broken=https://build.voidlinux.eu/builders/armv6l-musl_builder/builds/2613/steps/shell_3/logs/stdio ;;
-esac
-
 hostmakedepends="
  automake libtool flex pkg-config llvm python-Mako libxml2-python $(vopt_if wayland wayland-devel)"
 makedepends="
@@ -81,6 +77,12 @@ esac
 pre_configure() {
 	libtoolize -f
 	NOCONFIGURE=1 ./autogen.sh
+	case "$XBPS_TARGET_MACHINE" in
+		armv6*) sed -i src/gallium/drivers/vc4/Makefile.am \
+			-e 's;\(libvc4_neon_la_SOURCES =\) vc4_tiling_lt.c;\1;' \
+			-e 's;\(libvc4_neon_la_CFLAGS = $(AM_CFLAGS)\) -DVC4_BUILD_NEON;\1;'
+			;;
+	esac
 }
 post_install() {
 	vmkdir usr/lib/xorg/modules/extensions