When building allnoconfig with clang after commit de34007751aa ("MIPS:
generic: Enable all CPUs supported by virt board in Kconfig"), the
following error occurs:
error: unknown target CPU 'r4600'
note: valid target CPU values are: mips1, mips2, mips3, mips4, mips5, mips32, mips32r2, mips32r3, mips32r5, mips32r6, mips64, mips64r2, mips64r3, mips64r5, mips64r6, octeon, octeon+, p5600
Working around that, there are similar errors for 'loongson2e' and
'loongson2f'.
These CPUs are not supported in clang/LLVM, so do not select support for
them in MIPS_GENERIC_KERNEL when building with clang.
Fixes: de34007751aa ("MIPS: generic: Enable all CPUs supported by virt board in Kconfig")
Signed-off-by: Nathan Chancellor <nathan@xxxxxxxxxx>
---
arch/mips/Kconfig | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index a975f140ae82..84de20f48b59 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -154,15 +154,15 @@ config MIPS_GENERIC_KERNEL
select SMP_UP if SMP
select SWAP_IO_SPACE
select SYS_HAS_CPU_CAVIUM_OCTEON
- select SYS_HAS_CPU_LOONGSON2E
- select SYS_HAS_CPU_LOONGSON2F
+ select SYS_HAS_CPU_LOONGSON2E if !CC_IS_CLANG
+ select SYS_HAS_CPU_LOONGSON2F if !CC_IS_CLANG
select SYS_HAS_CPU_MIPS32_R1
select SYS_HAS_CPU_MIPS32_R2
select SYS_HAS_CPU_MIPS32_R6
select SYS_HAS_CPU_MIPS64_R1
select SYS_HAS_CPU_MIPS64_R2
select SYS_HAS_CPU_MIPS64_R6
- select SYS_HAS_CPU_R4X00
+ select SYS_HAS_CPU_R4X00 if !CC_IS_CLANG
select SYS_SUPPORTS_32BIT_KERNEL
select SYS_SUPPORTS_64BIT_KERNEL
select SYS_SUPPORTS_BIG_ENDIAN
---
base-commit: 045c340c86f8a9d7cb675e179dc6297caa6ebc01
change-id: 20230406-mips-clang-generic-selects-fix-a2f7b3216d18
Best regards,
--
Nathan Chancellor <nathan@xxxxxxxxxx>
