diff options
6 files changed, 611 insertions, 0 deletions
diff --git a/media-libs/mesa/files/0002-radeong-opencl-rename-target-from-r600-to-r600-amd-n.patch b/media-libs/mesa/files/0002-radeong-opencl-rename-target-from-r600-to-r600-amd-n.patch new file mode 100644 index 0000000..2eebc9c --- /dev/null +++ b/media-libs/mesa/files/0002-radeong-opencl-rename-target-from-r600-to-r600-amd-n.patch @@ -0,0 +1,26 @@ +From 7c4d0a88c45acedfd47eba93646bf5ea7435472c Mon Sep 17 00:00:00 2001 +From: Alexey Shvetsov <alexxy@gentoo.org> +Date: Sun, 3 Jun 2012 13:52:00 +0400 +Subject: [PATCH 2/3] radeong/opencl rename target from r600-- to + r600-amd-none + +--- + src/gallium/drivers/r600/r600_pipe.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c +index e0ee823..790afcc 100644 +--- a/src/gallium/drivers/r600/r600_pipe.c ++++ b/src/gallium/drivers/r600/r600_pipe.c +@@ -582,7 +582,7 @@ static int r600_get_compute_param(struct pipe_screen *screen, + switch (param) { + case PIPE_COMPUTE_CAP_IR_TARGET: + if (ret) { +- strcpy(ret, "r600--"); ++ strcpy(ret, "r600-amd-none"); + } + return 7 * sizeof(char); + +-- +1.7.10.2 + diff --git a/media-libs/mesa/files/0003-clover-fix-building-and-add-standart-locations-for-l.patch b/media-libs/mesa/files/0003-clover-fix-building-and-add-standart-locations-for-l.patch new file mode 100644 index 0000000..2b18806 --- /dev/null +++ b/media-libs/mesa/files/0003-clover-fix-building-and-add-standart-locations-for-l.patch @@ -0,0 +1,38 @@ +From 3d4239edd2c89d3b67aef11786f0846fba96d718 Mon Sep 17 00:00:00 2001 +From: Alexey Shvetsov <alexxy@gentoo.org> +Date: Sun, 3 Jun 2012 04:35:51 +0400 +Subject: [PATCH 3/3] clover fix building and add standart locations for + libclc + +--- + src/gallium/state_trackers/clover/llvm/invocation.cpp | 4 ++-- + src/gallium/targets/opencl/Makefile.am | 1 + + 2 files changed, 3 insertions(+), 2 deletions(-) + +diff --git a/src/gallium/state_trackers/clover/llvm/invocation.cpp b/src/gallium/state_trackers/clover/llvm/invocation.cpp +index 27276bc..78c8670 100644 +--- a/src/gallium/state_trackers/clover/llvm/invocation.cpp ++++ b/src/gallium/state_trackers/clover/llvm/invocation.cpp +@@ -107,7 +107,7 @@ namespace { + c.getHeaderSearchOpts().ResourceDir = CLANG_RESOURCE_DIR; + + // Add libclc generic search path +- c.getHeaderSearchOpts().AddPath(LIBCLC_PATH "/generic/include/", ++ c.getHeaderSearchOpts().AddPath(LIBCLC_PATH "/include/", + clang::frontend::Angled, + false, false, false); + +@@ -142,7 +142,7 @@ namespace { + llvm::Linker linker("clover", mod); + + // Link the kernel with libclc +- linker.LinkInFile(llvm::sys::Path(LIBCLC_PATH + triple + "/lib/builtins.bc"), isNative); ++ linker.LinkInFile(llvm::sys::Path(LIBCLC_PATH + ("/lib/clc/" + triple + "/builtins.bc")), isNative); + mod = linker.releaseModule(); + + // Run link time optimizations +diff --git a/src/gallium/targets/opencl/Makefile.am b/src/gallium/targets/opencl/Makefile.am +index d55b21e..4c89e36 100644 +-- +1.7.10.2 + diff --git a/media-libs/mesa/files/eselect-mesa.conf.8.1 b/media-libs/mesa/files/eselect-mesa.conf.8.1 new file mode 100644 index 0000000..63a21aa --- /dev/null +++ b/media-libs/mesa/files/eselect-mesa.conf.8.1 @@ -0,0 +1,38 @@ +# mesa classic/gallium implementations in this release + +# Syntax description: +# * MESA_IMPLEMENTATIONS contains a space-delimited list of switchable +# classic/gallium implementations. +# * MESA_DRIVERS is an associative array, for each member "foo" of +# MESA_IMPLEMENTATIONS it contains the following elements: +# foo,description - Human-readable description of the driver +# foo,classicdriver - Filename of the classic driver +# foo,galliumdriver - Filename of the gallium driver +# foo,default - which of classic or gallium is chosen by default + +MESA_IMPLEMENTATIONS="i915 i965 r300 r600 sw" +declare -A MESA_DRIVERS || die "MESA_DRIVERS already in environment and not associative." + +MESA_DRIVERS[i915,description]="i915 (Intel 915, 945)" +MESA_DRIVERS[i915,classicdriver]="i915_dri.so" +MESA_DRIVERS[i915,galliumdriver]="i915g_dri.so" +MESA_DRIVERS[i915,default]="gallium" + +MESA_DRIVERS[i965,description]="i965 (Intel 965, G/Q3x, G/Q4x)" +MESA_DRIVERS[i965,classicdriver]="i965_dri.so" +MESA_DRIVERS[i965,default]="classic" + +MESA_DRIVERS[r300,description]="r300 (Radeon R300-R500)" +MESA_DRIVERS[r300,classicdriver]="r300_dri.so" +MESA_DRIVERS[r300,galliumdriver]="r300g_dri.so" +MESA_DRIVERS[r300,default]="gallium" + +MESA_DRIVERS[r600,description]="r600 (Radeon R600-R700, Evergreen, Northern Islands)" +MESA_DRIVERS[r600,classicdriver]="r600_dri.so" +MESA_DRIVERS[r600,galliumdriver]="r600g_dri.so" +MESA_DRIVERS[r600,default]="gallium" + +MESA_DRIVERS[sw,description]="sw (Software renderer)" +MESA_DRIVERS[sw,classicdriver]="swrast_dri.so" +MESA_DRIVERS[sw,galliumdriver]="swrastg_dri.so" +MESA_DRIVERS[sw,default]="gallium" diff --git a/media-libs/mesa/files/glx_ro_text_segm.patch b/media-libs/mesa/files/glx_ro_text_segm.patch new file mode 100644 index 0000000..495b7dc --- /dev/null +++ b/media-libs/mesa/files/glx_ro_text_segm.patch @@ -0,0 +1,28 @@ +2011-02-09 Jeremy Huddleston <jeremyhu@freedesktop.org + + #240956 + * configure.ac add support to enable readonly test segment on x86 + +--- configure.ac.orig 2008-11-17 23:19:38.000000000 +0100 ++++ configure.ac 2008-11-17 23:20:17.000000000 +0100 +@@ -499,6 +499,20 @@ + enable_xcb=no + fi + ++ ++dnl readonly text segment on x86 hardened platforms ++AC_ARG_ENABLE([glx_rts], ++ [AS_HELP_STRING([--enable-glx-rts], ++ [on x86, use a readonly text segment for libGL @<:@default=disabled@:>@])], ++ [enable_glx_rts="$enableval"], ++ [enable_glx_rts=no]) ++if test "x$enable_glx_rts" = xyes; then ++ DEFINES="$DEFINES -DGLX_X86_READONLY_TEXT" ++else ++ enable_glx_rts=no ++fi ++ ++ + dnl + dnl libGL configuration per driver + dnl diff --git a/media-libs/mesa/files/mesa-8.1-dont-require-llvm-for-r300.patch b/media-libs/mesa/files/mesa-8.1-dont-require-llvm-for-r300.patch new file mode 100644 index 0000000..9fe7e32 --- /dev/null +++ b/media-libs/mesa/files/mesa-8.1-dont-require-llvm-for-r300.patch @@ -0,0 +1,25 @@ +--- a/configure.ac 2012-05-12 11:50:09.786970584 +0200 ++++ b/configure.ac 2012-05-12 12:00:00.770582272 +0200 +@@ -1922,14 +1922,6 @@ + fi + } + +-gallium_require_llvm() { +- if test "x$MESA_LLVM" = x0; then +- case "$host_cpu" in +- i*86|x86_64) AC_MSG_ERROR([LLVM is required to build $1 on x86 and x86_64]);; +- esac +- fi +-} +- + gallium_require_drm_loader() { + if test "x$enable_gallium_loader" = xyes; then + PKG_CHECK_MODULES([LIBUDEV], [libudev], [], +@@ -1962,7 +1954,6 @@ + ;; + xr300) + PKG_CHECK_MODULES([RADEON], [libdrm_radeon >= $LIBDRM_RADEON_REQUIRED]) +- gallium_require_llvm "Gallium R300" + GALLIUM_DRIVERS_DIRS="$GALLIUM_DRIVERS_DIRS r300" + gallium_check_st "radeon/drm" "dri-r300" "xorg-r300" "" "xvmc-r300" "vdpau-r300" "va-r300" + ;; diff --git a/media-libs/mesa/mesa-9999.ebuild b/media-libs/mesa/mesa-9999.ebuild new file mode 100644 index 0000000..520303b --- /dev/null +++ b/media-libs/mesa/mesa-9999.ebuild @@ -0,0 +1,456 @@ +# Copyright 1999-2012 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Header: $ + +EAPI=4 + +EGIT_REPO_URI="git://anongit.freedesktop.org/mesa/mesa" + +if [[ ${PV} = 9999* ]]; then + GIT_ECLASS="git-2" + EXPERIMENTAL="true" +fi + +inherit base autotools multilib flag-o-matic toolchain-funcs ${GIT_ECLASS} + +OPENGL_DIR="xorg-x11" + +MY_PN="${PN/m/M}" +MY_P="${MY_PN}-${PV/_/-}" +MY_SRC_P="${MY_PN}Lib-${PV/_/-}" + +FOLDER="${PV/_rc*/}" + +DESCRIPTION="OpenGL-like graphic library for Linux" +HOMEPAGE="http://mesa3d.sourceforge.net/" + +#SRC_PATCHES="mirror://gentoo/${P}-gentoo-patches-01.tar.bz2" +if [[ $PV = 9999* ]]; then + SRC_URI="${SRC_PATCHES}" +else + SRC_URI="ftp://ftp.freedesktop.org/pub/mesa/${FOLDER}/${MY_SRC_P}.tar.bz2 + ${SRC_PATCHES}" +fi + +# The code is MIT/X11. +# GLES[2]/gl[2]{,ext,platform}.h are SGI-B-2.0 +LICENSE="MIT SGI-B-2.0" +SLOT="0" +KEYWORDS="~alpha ~amd64 ~arm ~hppa ~ia64 ~mips ~ppc ~ppc64 ~sh ~sparc ~x86 ~amd64-fbsd ~x86-fbsd ~x86-freebsd ~amd64-linux ~ia64-linux ~x86-linux ~sparc-solaris ~x64-solaris ~x86-solaris" + +INTEL_CARDS="i915 i965 intel" +RADEON_CARDS="r100 r200 r300 r600 radeon radeonsi" +VIDEO_CARDS="${INTEL_CARDS} ${RADEON_CARDS} nouveau vmware" +for card in ${VIDEO_CARDS}; do + IUSE_VIDEO_CARDS+=" video_cards_${card}" +done + +IUSE="${IUSE_VIDEO_CARDS} + bindist +classic debug +egl g3dvl +gallium gbm gles1 gles2 +llvm +nptl + opencl openvg osmesa pax_kernel pic r600-llvm-compiler selinux +shared-glapi vdpau + wayland xvmc xa xorg kernel_FreeBSD" + +REQUIRED_USE=" + g3dvl? ( gallium ) + llvm? ( gallium ) + openvg? ( egl gallium ) + opencl? ( gallium r600-llvm-compiler ) + gbm? ( shared-glapi ) + g3dvl? ( || ( vdpau xvmc ) ) + vdpau? ( g3dvl ) + r600-llvm-compiler? ( gallium llvm || ( video_cards_r600 video_cards_radeon ) ) + xa? ( gallium ) + xorg? ( gallium ) + xvmc? ( g3dvl ) + video_cards_intel? ( || ( classic gallium ) ) + video_cards_i915? ( || ( classic gallium ) ) + video_cards_i965? ( classic ) + video_cards_nouveau? ( || ( classic gallium ) ) + video_cards_radeon? ( || ( classic gallium ) ) + video_cards_r100? ( classic ) + video_cards_r200? ( classic ) + video_cards_r300? ( gallium ) + video_cards_r600? ( gallium ) + video_cards_radeonsi? ( gallium llvm ) + video_cards_vmware? ( gallium ) +" + +LIBDRM_DEPSTRING=">=x11-libs/libdrm-2.4.39" +# keep correct libdrm and dri2proto dep +# keep blocks in rdepend for binpkg +RDEPEND=" + !<x11-base/xorg-server-1.7 + !<=x11-proto/xf86driproto-2.0.3 + classic? ( app-admin/eselect-mesa ) + gallium? ( app-admin/eselect-mesa ) + >=app-admin/eselect-opengl-1.2.6 + dev-libs/expat + gbm? ( + sys-fs/udev + x11-libs/libdrm[libkms] + ) + >=x11-libs/libX11-1.3.99.901 + x11-libs/libXdamage + x11-libs/libXext + x11-libs/libXxf86vm + >=x11-libs/libxcb-1.8.1 + opencl? ( + app-admin/eselect-opencl + dev-libs/libclc + ) + vdpau? ( >=x11-libs/libvdpau-0.4.1 ) + wayland? ( dev-libs/wayland ) + xorg? ( + x11-base/xorg-server + x11-libs/libdrm[libkms] + ) + xvmc? ( >=x11-libs/libXvMC-1.0.6 ) + ${LIBDRM_DEPSTRING}[video_cards_nouveau?,video_cards_vmware?] +" +for card in ${INTEL_CARDS}; do + RDEPEND="${RDEPEND} + video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_intel] ) + " +done + +for card in ${RADEON_CARDS}; do + RDEPEND="${RDEPEND} + video_cards_${card}? ( ${LIBDRM_DEPSTRING}[video_cards_radeon] ) + " +done + +DEPEND="${RDEPEND} + llvm? ( + >=sys-devel/llvm-2.9 + r600-llvm-compiler? ( >=sys-devel/llvm-3.1 ) + video_cards_radeonsi? ( >=sys-devel/llvm-3.1 ) + ) + opencl? ( + >=sys-devel/clang-3.1 + >=sys-devel/gcc-4.6 + ) + =dev-lang/python-2* + dev-libs/libxml2[python] + sys-devel/bison + sys-devel/flex + virtual/pkgconfig + x11-misc/makedepend + >=x11-proto/dri2proto-2.6 + >=x11-proto/glproto-1.4.15-r1 + >=x11-proto/xextproto-7.0.99.1 + x11-proto/xf86driproto + x11-proto/xf86vidmodeproto +" + +S="${WORKDIR}/${MY_P}" + +PATCHES=( + "${FILESDIR}/0002-radeong-opencl-rename-target-from-r600-to-r600-amd-n.patch" + "${FILESDIR}/0003-clover-fix-building-and-add-standart-locations-for-l.patch" + ) + +# It is slow without texrels, if someone wants slow +# mesa without texrels +pic use is worth the shot +QA_EXECSTACK="usr/lib*/opengl/xorg-x11/lib/libGL.so*" +QA_WX_LOAD="usr/lib*/opengl/xorg-x11/lib/libGL.so*" + +# Think about: ggi, fbcon, no-X configs + +pkg_setup() { + # workaround toc-issue wrt #386545 + use ppc64 && append-flags -mminimal-toc +} + +src_unpack() { + default + if [[ ${PV} = 9999* ]]; then + git-2_src_unpack + fi +} + +src_prepare() { + # apply patches + if [[ ${PV} != 9999* && -n ${SRC_PATCHES} ]]; then + EPATCH_FORCE="yes" \ + EPATCH_SOURCE="${WORKDIR}/patches" \ + EPATCH_SUFFIX="patch" \ + epatch + fi + + # relax the requirement that r300 must have llvm, bug 380303 + epatch "${FILESDIR}"/${PN}-8.1-dont-require-llvm-for-r300.patch + + # fix for hardened pax_kernel, bug 240956 + [[ ${PV} != 9999* ]] && epatch "${FILESDIR}"/glx_ro_text_segm.patch + + # Solaris needs some recent POSIX stuff in our case + if [[ ${CHOST} == *-solaris* ]] ; then + sed -i -e "s/-DSVR4/-D_POSIX_C_SOURCE=200112L/" configure.ac || die + fi + + # Tests fail against python-3, bug #407887 + sed -i 's|/usr/bin/env python|/usr/bin/env python2|' src/glsl/tests/compare_ir || die + + base_src_prepare + + eautoreconf +} + +src_configure() { + local myconf + + if use classic; then + # Configurable DRI drivers + driver_enable swrast + + # Intel code + driver_enable video_cards_i915 i915 + driver_enable video_cards_i965 i965 + if ! use video_cards_i915 && \ + ! use video_cards_i965; then + driver_enable video_cards_intel i915 i965 + fi + + # Nouveau code + driver_enable video_cards_nouveau nouveau + + # ATI code + driver_enable video_cards_r100 radeon + driver_enable video_cards_r200 r200 + if ! use video_cards_r100 && \ + ! use video_cards_r200; then + driver_enable video_cards_radeon radeon r200 + fi + fi + + if use egl; then + myconf+=" + --with-egl-platforms=x11$(use wayland && echo ",wayland")$(use gbm && echo ",drm") + $(use_enable gallium gallium-egl) + " + fi + + if use gallium; then + myconf+=" + $(use_enable g3dvl gallium-g3dvl) + $(use_enable llvm gallium-llvm) + $(use_enable openvg) + $(use_enable r600-llvm-compiler) + $(use_enable vdpau) + $(use_enable xvmc) + " + gallium_enable swrast + gallium_enable video_cards_vmware svga + gallium_enable video_cards_nouveau nouveau + gallium_enable video_cards_i915 i915 + if ! use video_cards_i915; then + gallium_enable video_cards_intel i915 + fi + + gallium_enable video_cards_r300 r300 + gallium_enable video_cards_r600 r600 + gallium_enable video_cards_radeonsi radeonsi + if ! use video_cards_r300 && \ + ! use video_cards_r600; then + gallium_enable video_cards_radeon r300 r600 + fi + # opencl stuff + if use opencl; then + myconf+=" + $(use_enable opencl) + --with-opencl-libdir="${EPREFIX}/usr/$(get_libdir)/OpenCL/vendors/mesa" + --with-libclc-path="${EPREFIX}/usr" + --with-clang-libdir="${EPREFIX}/usr/$(get_libdir)" + " + fi + fi + + # x86 hardened pax_kernel needs glx-rts, bug 240956 + if use pax_kernel; then + myconf+=" + $(use_enable x86 glx-rts) + " + fi + + use userland_GNU || export INDENT=cat + + econf \ + --enable-dri \ + --enable-glx \ + $(use_enable !bindist texture-float) \ + $(use_enable debug) \ + $(use_enable egl) \ + $(use_enable gbm) \ + $(use_enable gles1) \ + $(use_enable gles2) \ + $(use_enable nptl glx-tls) \ + $(use_enable osmesa) \ + $(use_enable !pic asm) \ + $(use_enable shared-glapi) \ + $(use_enable xa) \ + $(use_enable xorg) \ + --with-dri-drivers=${DRI_DRIVERS} \ + --with-gallium-drivers=${GALLIUM_DRIVERS} \ + ${myconf} +} + +src_install() { + base_src_install + + find "${ED}" -name '*.la' -exec rm -f {} + || die + + if use !bindist; then + dodoc docs/patents.txt + fi + + # Save the glsl-compiler for later use + if ! tc-is-cross-compiler; then + dobin "${S}"/src/glsl/glsl_compiler + fi + + # Install config file for eselect mesa + insinto /usr/share/mesa + newins "${FILESDIR}/eselect-mesa.conf.8.1" eselect-mesa.conf + + # Move libGL and others from /usr/lib to /usr/lib/opengl/blah/lib + # because user can eselect desired GL provider. + ebegin "Moving libGL and friends for dynamic switching" + local x + local gl_dir="/usr/$(get_libdir)/opengl/${OPENGL_DIR}/" + dodir ${gl_dir}/{lib,extensions,include/GL} + for x in "${ED}"/usr/$(get_libdir)/lib{EGL,GL*,OpenVG}.{la,a,so*}; do + if [ -f ${x} -o -L ${x} ]; then + mv -f "${x}" "${ED}${gl_dir}"/lib \ + || die "Failed to move ${x}" + fi + done + for x in "${ED}"/usr/include/GL/{gl.h,glx.h,glext.h,glxext.h}; do + if [ -f ${x} -o -L ${x} ]; then + mv -f "${x}" "${ED}${gl_dir}"/include/GL \ + || die "Failed to move ${x}" + fi + done + for x in "${ED}"/usr/include/{EGL,GLES*,VG,KHR}; do + if [ -d ${x} ]; then + mv -f "${x}" "${ED}${gl_dir}"/include \ + || die "Failed to move ${x}" + fi + done + eend $? + + if use classic || use gallium; then + ebegin "Moving DRI/Gallium drivers for dynamic switching" + local gallium_drivers=( i915_dri.so i965_dri.so r300_dri.so r600_dri.so swrast_dri.so ) + keepdir /usr/$(get_libdir)/dri + dodir /usr/$(get_libdir)/mesa + for x in ${gallium_drivers[@]}; do + if [ -f "${S}/$(get_libdir)/gallium/${x}" ]; then + mv -f "${ED}/usr/$(get_libdir)/dri/${x}" "${ED}/usr/$(get_libdir)/dri/${x/_dri.so/g_dri.so}" \ + || die "Failed to move ${x}" + insinto "/usr/$(get_libdir)/dri/" + if [ -f "${S}/$(get_libdir)/${x}" ]; then + insopts -m0755 + doins "${S}/$(get_libdir)/${x}" + fi + fi + done + for x in "${ED}"/usr/$(get_libdir)/dri/*.so; do + if [ -f ${x} -o -L ${x} ]; then + mv -f "${x}" "${x/dri/mesa}" \ + || die "Failed to move ${x}" + fi + done + pushd "${ED}"/usr/$(get_libdir)/dri || die "pushd failed" + ln -s ../mesa/*.so . || die "Creating symlink failed" + # remove symlinks to drivers known to eselect + for x in ${gallium_drivers[@]}; do + if [ -f ${x} -o -L ${x} ]; then + rm "${x}" || die "Failed to remove ${x}" + fi + done + popd + eend $? + fi + if use opencl; then + ebegin "Moving Gallium/Clover OpenCL implentation for dynamic switching" + if [ -f "${ED}/usr/$(get_libdir)/libOpenCL.so" ]; then + mv -f "${ED}"/usr/$(get_libdir)/libOpenCL.so* \ + "${ED}"/usr/$(get_libdir)/OpenCL/vendors/mesa + fi + fi +} + +pkg_postinst() { + # Switch to the xorg implementation. + echo + eselect opengl set --use-old ${OPENGL_DIR} + + # switch to xorg-x11 and back if necessary, bug #374647 comment 11 + OLD_IMPLEM="$(eselect opengl show)" + if [[ ${OPENGL_DIR}x != ${OLD_IMPLEM}x ]]; then + eselect opengl set ${OPENGL_DIR} + eselect opengl set ${OLD_IMPLEM} + fi + + # Select classic/gallium drivers + if use classic || use gallium; then + eselect mesa set --auto + fi + + # warn about patent encumbered texture-float + if use !bindist; then + elog "USE=\"bindist\" was not set. Potentially patent encumbered code was" + elog "enabled. Please see patents.txt for an explanation." + fi + + local using_radeon r_flag + for r_flag in ${RADEON_CARDS}; do + if use video_cards_${r_flag}; then + using_radeon=1 + break + fi + done + + if [[ ${using_radeon} = 1 ]] && ! has_version media-libs/libtxc_dxtn; then + elog "Note that in order to have full S3TC support, it is necessary to install" + elog "media-libs/libtxc_dxtn as well. This may be necessary to get nice" + elog "textures in some apps, and some others even require this to run." + fi +} + +# $1 - VIDEO_CARDS flag +# other args - names of DRI drivers to enable +# TODO: avoid code duplication for a more elegant implementation +driver_enable() { + case $# in + # for enabling unconditionally + 1) + DRI_DRIVERS+=",$1" + ;; + *) + if use $1; then + shift + for i in $@; do + DRI_DRIVERS+=",${i}" + done + fi + ;; + esac +} + +gallium_enable() { + case $# in + # for enabling unconditionally + 1) + GALLIUM_DRIVERS+=",$1" + ;; + *) + if use $1; then + shift + for i in $@; do + GALLIUM_DRIVERS+=",${i}" + done + fi + ;; + esac +} |