mesa: Fall back to use gcc on riscv32/riscv64

LLD fails to link mesa 25.x sadly

| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libGLESv2.so.2: unsupported relocation type 12
| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libGL.so.1: unsupported relocation type 12
| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libGL.so.1: unsupported relocation type 12
| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libEGL.so.1: unsupported relocation type 12
| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libEGL.so.1: unsupported relocation type 12
| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libgallium-25.0.2.so: unsupported relocation type 12
| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libgallium-25.0.2.so: unsupported relocation type 12
| Error relocating riscv32-yoe-linux-musl/gstreamer1.0-plugins-base/1.26.0/recipe-sysroot//usr/lib/libgallium-25.0.2.so: unsupported relocation type 12

Signed-off-by: Khem Raj <raj.khem@gmail.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/conf/nonclangable.conf b/conf/nonclangable.conf
index 72a9b9a..0bf23a7 100644
--- a/conf/nonclangable.conf
+++ b/conf/nonclangable.conf
@@ -65,6 +65,10 @@ TOOLCHAIN:pn-libssp-nonshared = "gcc"
 TOOLCHAIN:pn-m4:powerpc = "gcc"
 # clang does not have 64bit atomics on ppc
 TOOLCHAIN:pn-mesa:powerpc = "gcc"
+# recipe-sysroot//usr/lib/libGLESv2.so.2: unsupported relocation type 12
+TOOLCHAIN:pn-mesa:riscv32 = "gcc"
+# usr/lib/libgallium-25.0.2.so: unexpected reloc type 0x0c
+TOOLCHAIN:pn-mesa:riscv64 = "gcc"
 # clang fails with db.c:(.text+0x188): unsupported bss-plt -fPIC ifunc mmio_write64_be
 TOOLCHAIN:pn-rdma-core:powerpc = "gcc"
 # usermode qemu crashes when running binaries from clang + rust compiler on ppc32
@@ -710,7 +714,7 @@ LDFLAGS:remove:pn-lastlog2:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATU
 LDFLAGS:remove:pn-python3-bcrypt:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld ptest', '-fuse-ld=lld', '', d)}"
 LDFLAGS:remove:pn-bluez5:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '-fuse-ld=lld', '', d)}"
 LDFLAGS:append:pn-bluez5:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', ' -fuse-ld=bfd', '', d)}"
-
+# lld ends up with unsupported relocation type 12 with clang-20 on mesa 25
 LD:pn-gnu-efi:toolchain-clang = "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-lld', '${HOST_PREFIX}ld.bfd${TOOLCHAIN_OPTIONS} ${HOST_LD_ARCH}', '${HOST_PREFIX}ld${TOOLCHAIN_OPTIONS} ${HOST_LD_ARCH}', d)}"
 LD:pn-libhugetlbfs:toolchain-clang = "${HOST_PREFIX}ld.bfd${TOOLCHAIN_OPTIONS} ${HOST_LD_ARCH}"
 LD:pn-libunix-statgrab:toolchain-clang = "${CC}"