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Subject[PATCH 1/3] csky: Select ARCH_WANT_FRAME_POINTERS only if compiler supports it
Date
Compiling csky:allmodconfig with an upstream C compiler results
in the following error.

csky-linux-gcc: error:
unrecognized command-line option '-mbacktrace';
did you mean '-fbacktrace'?

Select ARCH_WANT_FRAME_POINTERS only if gcc supports it to
avoid the error.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
arch/csky/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 9d4d898df76b..58ca3ef02bab 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -8,7 +8,7 @@ config CSKY
select ARCH_HAS_SYNC_DMA_FOR_DEVICE
select ARCH_USE_BUILTIN_BSWAP
select ARCH_USE_QUEUED_RWLOCKS
- select ARCH_WANT_FRAME_POINTERS if !CPU_CK610
+ select ARCH_WANT_FRAME_POINTERS if !CPU_CK610 && $(cc-option,-mbacktrace)
select ARCH_WANT_DEFAULT_TOPDOWN_MMAP_LAYOUT
select COMMON_CLK
select CLKSRC_MMIO
--
2.33.0
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