add gallium exheres

metadata/categories.conf

@@ -2,3 +2,4 @@ dev-lang
 dev-libs
 sys-apps
 sys-libs
+x11-dri

packages/x11-dri/gallium/gallium-scm.exheres-0

@@ -0,0 +1,57 @@
+
+SCM_REPOSITORY="git://anongit.freedesktop.org/git/nouveau/mesa"
+SCM_TYPE="git"
+SCM_BRANCH="gallium-0.1"
+require multilib scm toolchain-funcs
+
+SUMMARY="nouveau mesa driver"
+DESCRIPTION="The nouveau driver for the mesa OpenGL implementation."
+HOMEPAGE="http://nouveau.freedesktop.org/wiki/GalliumHowto"
+
+LICENCES="FIXME"
+SLOT="0"
+PLATFORMS="~amd64 ~x86"
+MYOPTIONS="platform:amd64 platform:x86"
+
+DEPENDENCIES="
+    build+run:
+        x11-dri/mesa
+"
+
+get_target() {
+    option platform:amd64 && TARGET="linux-dri-x86-64"
+    option platform:x86 && TARGET="linux-dri-x86"
+    [[ -z "${TARGET}" ]] \
+        && die "Sorry, I don't know how to build gallium for your platform."
+}
+
+src_prepare() {
+    get_target
+    sed \
+        -e '/^ARCH_FLAGS/s: = : = -DGLX_USE_TLS :' \
+        -i "configs/${TARGET}" \
+        || die "sed configs/${TARGET} failed"
+    sed \
+        -e '/^OPT_FLAGS  =/s:=.*:=:' \
+        -e "/^CFLAGS = /s:= := ${CFLAGS} :" \
+        -e "/^CXXFLAGS = /s:= := ${CXXFLAGS} :" \
+        -i "configs/linux-dri" \
+        || die "sed configs/linux-dri failed"
+}
+
+src_compile() {
+    get_target 
+    emake "${TARGET}" \
+        CC=$(tc-getCC) \
+        CXX=$(tc-getCXX) \
+        || die "emake failed"
+}
+
+src_install() {
+    bin/installmesa "${IMAGE}/usr/$(get_libdir)/opengl/gallium" \
+        || die "bin/installmesa failed"
+
+    cd "${IMAGE}/usr/$(get_libdir)/opengl/gallium" || die "cd failed"
+    mv include/{GL/*,} || die "mv failed"
+    rmdir include/GL || die "rmdir failed"
+}