From: Guenter Roeck Date: Fri, 17 Sep 2021 04:38:36 +0000 (-0700) Subject: csky: Select ARCH_WANT_FRAME_POINTERS only if compiler supports it X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=aeba0b84dd07a9e6b362395f5ad47091249db13d;p=linux.git csky: Select ARCH_WANT_FRAME_POINTERS only if compiler supports it 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 Signed-off-by: Guo Ren --- diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig index 9d4d898df76ba..58ca3ef02bab0 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