diff options
-rw-r--r-- | arch/x86/Kconfig.cpu | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu index 9d108a54c30a..87bede96e800 100644 --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -245,10 +245,14 @@ config MATOM endchoice +config CC_HAS_MARCH_NATIVE + # This flag might not be available in cross-compilers: + def_bool $(cc-option, -march=native) + config X86_NATIVE_CPU bool "Build and optimize for local/native CPU" depends on X86_64 - default n + depends on CC_HAS_MARCH_NATIVE help Optimize for the current CPU used to compile the kernel. Use this option if you intend to build the kernel for your |