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[1/2] mesa: Rework llvm handling

Message ID 20220823141610.2934060-1-richard.purdie@linuxfoundation.org
State Accepted, archived
Commit 1dfb29a66f0db673c9d6faffed9b5bd855b206e1
Headers show
Series [1/2] mesa: Rework llvm handling | expand

Commit Message

Richard Purdie Aug. 23, 2022, 2:16 p.m. UTC 
meson in mesa no longer uses WANT_LLVM_RELEASE and LLVM_CONFIG so drop
those. Instead, copy the llvm-config binary into the target sysroot which
allows the paths to be relocated to the target in question. This should allow
the llvm patch for YOCTO_ALTERNATE_EXE_PATH to be dropped assuming nothing
else relies upon it.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 meta/recipes-graphics/mesa/mesa.inc | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)
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Patch

diff --git a/meta/recipes-graphics/mesa/mesa.inc b/meta/recipes-graphics/mesa/mesa.inc
index c4efc134387..c2313e91cc5 100644
--- a/meta/recipes-graphics/mesa/mesa.inc
+++ b/meta/recipes-graphics/mesa/mesa.inc
@@ -55,11 +55,16 @@  ANY_OF_DISTRO_FEATURES:class-target = "opengl vulkan"
 
 PLATFORMS ??= "${@bb.utils.filter('PACKAGECONFIG', 'x11 wayland', d)}"
 
-export YOCTO_ALTERNATE_EXE_PATH = "${STAGING_LIBDIR}/llvm-config"
-export LLVM_CONFIG = "${STAGING_BINDIR_NATIVE}/llvm-config${MESA_LLVM_RELEASE}"
-export WANT_LLVM_RELEASE = "${MESA_LLVM_RELEASE}"
-
+# By placing llvm-config in the target sysroot bindir, it will then map values
+# to the target libdir magically. We can safely add to path as there are no other binaries
+# there.
+PATH:prepend = "${STAGING_BINDIR}:"
 MESA_LLVM_RELEASE ?= "${LLVMVERSION}"
+do_configure:prepend () {
+	if [ -e ${STAGING_BINDIR_NATIVE}/llvm-config${MESA_LLVM_RELEASE} ]; then
+		cp ${STAGING_BINDIR_NATIVE}/llvm-config${MESA_LLVM_RELEASE} ${STAGING_BINDIR}
+	fi
+}
 
 # set the MESA_BUILD_TYPE to either 'release' (default) or 'debug'
 # by default the upstream mesa sources build a debug release