[OE-core] [PATCH] mesa: add missing elfutils dependency for r600 PACKAGECONFIG

[Jonathan Liu]

Fixes the following configure error:
configure:23490: error: radeonsi and r600g require libelf when using LLVM

Signed-off-by: Jonathan Liu <net147 at gmail.com>
---
 meta/recipes-graphics/mesa/mesa.inc | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/meta/recipes-graphics/mesa/mesa.inc b/meta/recipes-graphics/mesa/mesa.inc
index e985d67..71fcabd 100644
--- a/meta/recipes-graphics/mesa/mesa.inc
+++ b/meta/recipes-graphics/mesa/mesa.inc
@@ -51,7 +51,8 @@ PACKAGECONFIG[openvg] = "--enable-openvg, --disable-openvg"
 
 GALLIUMDRIVERS = "swrast"
 GALLIUMDRIVERS_LLVM33 = "${@base_contains('PACKAGECONFIG', 'r600', 'radeonsi,r600', '', d)}"
-GALLIUMDRIVERS_LLVM = "r300,svga,nouveau${@base_version_less_or_equal('MESA_LLVM_RELEASE', '3.2', '', ',${GALLIUMDRIVERS_LLVM33}', d)}"
+GALLIUMDRIVERS_LLVM33_ENABLED = "${@base_version_less_or_equal('MESA_LLVM_RELEASE', '3.2', False, len('${GALLIUMDRIVERS_LLVM33}') > 0, d)}"
+GALLIUMDRIVERS_LLVM = "r300,svga,nouveau${@',${GALLIUMDRIVERS_LLVM33}' if ${GALLIUMDRIVERS_LLVM33_ENABLED} else ''}"
 GALLIUMDRIVERS_append_x86 = "${@base_contains('PACKAGECONFIG', 'gallium-llvm', ',${GALLIUMDRIVERS_LLVM}', '', d)}"
 GALLIUMDRIVERS_append_x86-64 = "${@base_contains('PACKAGECONFIG', 'gallium-llvm', ',${GALLIUMDRIVERS_LLVM}', '', d)}"
 # keep --with-gallium-drivers separate, because when only one of gallium versions is enabled, other 2 were adding --without-gallium-drivers
@@ -59,7 +60,8 @@ PACKAGECONFIG[gallium]      = "--with-gallium-drivers=${GALLIUMDRIVERS}, --witho
 PACKAGECONFIG[gallium-egl]  = "--enable-gallium-egl, --disable-gallium-egl"
 PACKAGECONFIG[gallium-gbm]  = "--enable-gallium-gbm, --disable-gallium-gbm"
 MESA_LLVM_RELEASE ?= "3.3"
-PACKAGECONFIG[gallium-llvm] = "--enable-gallium-llvm --with-llvm-shared-libs, --disable-gallium-llvm, llvm${MESA_LLVM_RELEASE}"
+PACKAGECONFIG[gallium-llvm] = "--enable-gallium-llvm --with-llvm-shared-libs, --disable-gallium-llvm, llvm${MESA_LLVM_RELEASE} \
+                               ${@'elfutils' if ${GALLIUMDRIVERS_LLVM33_ENABLED} else ''}"
 export WANT_LLVM_RELEASE = "${MESA_LLVM_RELEASE}"
 
 # llvmpipe is slow if compiled with -fomit-frame-pointer (e.g. -O2)
-- 
1.8.3.4