libwebp: do not depend on freeglut on arm*.

On arm* all packages that link against SDL2 use
rpi-userland, thus no glvnd.

Author: Juan RP

srcpkgs/libwebp/template

@@ -1,12 +1,12 @@
 # Template file for 'libwebp'
 pkgname=libwebp
 version=1.0.3
-revision=1
+revision=2
 build_style=gnu-configure
 configure_args="--disable-static --enable-libwebpmux
  --enable-libwebpdemux --enable-libwebpdecoder"
 hostmakedepends="pkg-config"
-makedepends="giflib-devel libfreeglut-devel libpng-devel tiff-devel"
+makedepends="giflib-devel libpng-devel tiff-devel"
 short_desc="WebP image format"
 maintainer="Orphaned <orphan@voidlinux.org>"
 license="BSD-3-Clause"
@@ -17,6 +17,7 @@ checksum=e20a07865c8697bba00aebccc6f54912d6bc333bb4d604e6b07491c1a226b34f
 case "$XBPS_TARGET_MACHINE" in
 	armv6*) configure_args+=" --disable-neon";;
 	armv7*) CFLAGS="-mfpu=neon";;
+	*) makedepends+=" libfreeglut-devel";;
 esac
 
 post_install() {