diff options
Diffstat (limited to 'CMakeLists.txt')
| -rw-r--r-- | CMakeLists.txt | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index 84e52d41a..5e47edcca 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -498,6 +498,17 @@ else() set(ARCH_FLAG "-march=armv8") else() set(ARCH_FLAG "-march=${ARCH}") + if(ARCH STREQUAL "native") + check_c_compiler_flag(-march=native CC_SUPPORTS_MARCH_NATIVE) + if (NOT CC_SUPPORTS_MARCH_NATIVE) + check_c_compiler_flag(-mtune=native CC_SUPPORTS_MTUNE_NATIVE) + if (CC_SUPPORTS_MTUNE_NATIVE) + set(ARCH_FLAG "-mtune=${ARCH}") + else() + set(ARCH_FLAG "") + endif() + endif() + endif() endif() set(WARNINGS "-Wall -Wextra -Wpointer-arith -Wundef -Wvla -Wwrite-strings -Wno-error=extra -Wno-error=deprecated-declarations -Wno-unused-parameter -Wno-unused-variable -Wno-error=unused-variable -Wno-error=undef -Wno-error=uninitialized") if(NOT MINGW) |