[Buildroot] [PATCH] package/mesa3d: add dependency on elfutils for R600 with LLVM

[Valentin Korenblit]

Gallium R600 needs libelf when mesa is built with llvm support.
Because of this, toolchain must use either uClibc or glibc, as
musl is not currently compatible with elfutils.

Signed-off-by: Valentin Korenblit <valentin.korenblit at smile.fr>
---
 package/mesa3d/Config.in | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/package/mesa3d/Config.in b/package/mesa3d/Config.in
index 1476b39acc..bd3d050e29 100644
--- a/package/mesa3d/Config.in
+++ b/package/mesa3d/Config.in
@@ -97,13 +97,23 @@ config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_NOUVEAU
 config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_R600
 	bool "Gallium Radeon R600 driver"
 	depends on BR2_i386 || BR2_x86_64
+	depends on !BR2_PACKAGE_MESA3D_LLVM || \
+		(BR2_PACKAGE_MESA3D_LLVM && (BR2_TOOLCHAIN_USES_UCLIBC || \
+			BR2_TOOLCHAIN_USES_GLIBC)) # elfutils
 	select BR2_PACKAGE_MESA3D_GALLIUM_DRIVER
 	select BR2_PACKAGE_LIBDRM_RADEON
 	select BR2_PACKAGE_LLVM_AMDGPU if BR2_PACKAGE_MESA3D_LLVM
+	select BR2_PACKAGE_ELFUTILS if BR2_PACKAGE_MESA3D_LLVM
 	select BR2_PACKAGE_MESA3D_NEEDS_XA
 	help
 	  Driver for ATI/AMD Radeon R600/R700/HD5000/HD6000 GPUs.
 
+# R600 needs libelf when Mesa3D is built with LLVM support
+# musl is not currently compatible with elfutils
+comment "R600 driver needs a uClibc or glibc toolchain when llvm is enabled"
+	depends on BR2_PACKAGE_MESA3D_LLVM
+	depends on !(BR2_TOOLCHAIN_USES_UCLIBC || BR2_TOOLCHAIN_USES_GLIBC)
+
 config BR2_PACKAGE_MESA3D_GALLIUM_DRIVER_SVGA
 	bool "Gallium vmware svga driver"
 	depends on BR2_i386 || BR2_x86_64
-- 
2.14.3