MesaLib: misc changes to allow 32bit pkg creation/work.

- Don't do symlink tricks with libGL, install as is.
- The libGL pkg now also provides the xorg-server libglx.so symlink.
- Use lib32 on x86 to make this work on x86_64.

srcpkgs/MesaLib/libGL.INSTALL

@@ -1,10 +0,0 @@
-# Create libGL.so symlinks.
-case ${ACTION} in
-post)
-	if [ ! -h usr/lib/libGL.so -a ! -h usr/lib/libGL.so.1 ]; then
-		cd usr/lib
-		ln -sf libGL-mesa.so* libGL.so
-		ln -sf libGL-mesa.so* libGL.so.1
-	fi
-	;;
-esac

srcpkgs/MesaLib/libGL.REMOVE

@@ -1,11 +0,0 @@
-# Remove libGL.so symlinks.
-case ${ACTION} in
-post)
-	if [ -h usr/lib/libGL.so ]; then
-		rm -f usr/lib/libGL.so
-	fi
-	if [ -h usr/lib/libGL.so.1 ]; then
-		rm -f usr/lib/libGL.so.1
-	fi
-	;;
-esac

srcpkgs/MesaLib/template

@@ -1,12 +1,11 @@
 # Template build file for 'MesaLib'.
 pkgname=MesaLib
 version=10.1.0
-revision=1
+revision=2
 wrksrc="Mesa-${version}"
 build_style=gnu-configure
 configure_args="--enable-glx-tls --enable-shared-glapi --enable-gbm
  --enable-gles1 --enable-gles2 --enable-openvg --enable-egl --enable-vdpau
- --with-dri-driverdir=/usr/lib/xorg/modules/drivers
  --enable-gallium-egl --enable-xvmc --enable-osmesa --enable-texture-float
  --with-egl-platforms=drm,wayland"
 short_desc="Graphics library similar to SGI's OpenGL"
@@ -20,7 +19,7 @@ hostmakedepends="
  automake libtool flex pkg-config llvm>=3.3 libxml2-python wayland-devel"
 makedepends="
  glproto dri2proto>=2.1 dri3proto presentproto libXext-devel libXxf86vm-devel
- libudev-devel>=183 libdrm-devel expat-devel talloc-devel libvdpau-devel
+ libudev-devel libdrm-devel expat-devel talloc-devel libvdpau-devel
  libXdamage-devel libXvMC-devel>=1.0.6 libxshmfence-devel wayland-devel
  elfutils-devel ncurses-devel zlib-devel"
 
@@ -39,6 +38,11 @@ i686*|x86_64*)
 	;;
 esac
 
+case "$XBPS_TARGET_MACHINE" in
+	i686*) configure_args+=" --libdir=/usr/lib32 --with-dri-driverdir=/usr/lib32/xorg/modules/drivers";;
+	*) configure_args+=" --with-dri-driverdir=/usr/lib/xorg/modules/drivers";;
+esac
+
 conf_files="/etc/drirc"
 
 pre_configure() {
@@ -46,9 +50,14 @@ pre_configure() {
 	libtoolize -f
 }
 
+pre_install() {
+	vmkdir usr/lib32
+	ln -s lib32 ${DESTDIR}/usr/lib
+}
+
 post_install() {
-	rm -f ${DESTDIR}/usr/lib/libGL.so{,.1}
-	mv ${DESTDIR}/usr/lib/libGL.so.1.2.0 ${DESTDIR}/usr/lib/libGL-mesa.so.1.2.0
+	vmkdir usr/lib/xorg/modules/extensions
+	ln -s libglx.so ${DESTDIR}/usr/lib/xorg/modules/extensions/libglx-xorg.so
 }
 
 libgbm_package() {
@@ -89,6 +98,7 @@ libGL_package() {
 	replaces="MesaLib<7.11_2"
 	pkg_install() {
 		vmove "usr/lib/libGL*.so.*"
+		vmove usr/lib/xorg/modules/extensions
 	}
 }
 
@@ -136,7 +146,6 @@ MesaLib-devel_package() {
 
 mesa-swraster-dri_package() {
 	short_desc="Mesa DRI drivers for the Software Rasterizer"
-	depends="${sourcepkg}>=${version}_${revision}"
 	replaces="MesaLib<9.0.2"
 	pkg_install() {
 		vmove "usr/lib/xorg/modules/drivers/swrast*"
@@ -156,7 +165,6 @@ libxatracker_package() {
 
 mesa-ati-dri_package() {
 	short_desc="Mesa DRI drivers for ATI GPUs"
-	depends="${sourcepkg}>=${version}_${revision}"
 	replaces="MesaLib<9.0.2"
 	pkg_install() {
 		vmove "usr/lib/libXvMCr[36]00.so*"
@@ -171,7 +179,6 @@ mesa-ati-dri_package() {
 
 mesa-intel-dri_package() {
 	short_desc="Mesa DRI drivers for Intel GPUs"
-	depends="${sourcepkg}>=${version}_${revision}"
 	pkg_install() {
 		vmove "usr/lib/xorg/modules/drivers/i9[16]5_dri.*"
 	}
@@ -179,7 +186,6 @@ mesa-intel-dri_package() {
 
 mesa-nouveau-dri_package() {
 	short_desc="Mesa DRI drivers for NVIDIA GPUs (nouveau dri)"
-	depends="${sourcepkg}>=${version}_${revision}"
 	replaces="MesaLib<9.0.2"
 	pkg_install() {
 		vmove "usr/lib/libXvMCnouveau.so*"
@@ -191,7 +197,6 @@ mesa-nouveau-dri_package() {
 
 mesa-vmwgfx-dri_package() {
 	short_desc="Mesa DRI drivers for VMware"
-	depends="${sourcepkg}>=${version}_${revision}"
 	replaces="MesaLib<9.0.2"
 	pkg_install() {
 		vmove "usr/lib/xorg/modules/drivers/vmwgfx*"