[PATCH 5.4~6.6] MIPS: Probe toolchain support of -msym32

[WangYuli]

From: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>

[ Upstream commit 18ca63a2e23c5e170d2d7552b64b1f5ad019cd9b ]

msym32 is not supported by LLVM toolchain.
Workaround by probe toolchain support of msym32 for KBUILD_SYM32
feature.

Link: https://github.com/ClangBuiltLinux/linux/issues/1544
Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>
Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>
Signed-off-by: WangYuli <wangyuli@xxxxxxxxxxxxx>
---
 arch/mips/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index f49807e1f19b..0888074f4dfe 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -299,7 +299,7 @@ drivers-$(CONFIG_PCI)		+= arch/mips/pci/
 ifdef CONFIG_64BIT
   ifndef KBUILD_SYM32
     ifeq ($(shell expr $(load-y) \< 0xffffffff80000000), 0)
-      KBUILD_SYM32 = y
+      KBUILD_SYM32 = $(call cc-option-yn, -msym32)
     endif
   endif
 
-- 
2.47.1