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[all] cmake: use -march=x86-64-v2 when it becomes available

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Moves the logic in 0525515 to a common cmake include, and applies it to
the other binaries.
This commit is contained in:
arcnmx
2021-07-23 17:25:42 -07:00
committed by Geoffrey McRae
parent f09738678e
commit be664c49c8
5 changed files with 29 additions and 49 deletions
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23
host/CMakeLists.txt
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@@ -4,29 +4,14 @@ project(looking-glass-host C)
set(CMAKE_C_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG" CACHE STRING "compiler flags" FORCE)
set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O3 -g -DNDEBUG" CACHE STRING "compiler flags" FORCE)
set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake/")
get_filename_component(PROJECT_TOP "${PROJECT_SOURCE_DIR}/.." ABSOLUTE)
list(APPEND CMAKE_MODULE_PATH "${PROJECT_TOP}/cmake/" "${PROJECT_SOURCE_DIR}/cmake/")
include(GNUInstallDirs)
include(CheckCCompilerFlag)
include(FeatureSummary)
option(OPTIMIZE_FOR_NATIVE "Build with -march=native" OFF)
if(OPTIMIZE_FOR_NATIVE)
CHECK_C_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
if(COMPILER_SUPPORTS_MARCH_NATIVE)
add_compile_options("-march=native")
endif()
else()
CHECK_C_COMPILER_FLAG("-march=x86-64-v2" COMPILER_SUPPORTS_MARCH_X86_64_V2)
if(COMPILER_SUPPORTS_MARCH_X86_64_V2)
add_compile_options("-march=x86-64-v2")
else()
CHECK_C_COMPILER_FLAG("-march=nehalem" COMPILER_SUPPORTS_MARCH_NEHALEM)
if(COMPILER_SUPPORTS_MARCH_NEHALEM)
add_compile_options("-march=nehalem")
endif()
endif()
endif()
include(OptimizeForNative) # option(OPTIMIZE_FOR_NATIVE)
option(ENABLE_BACKTRACE "Enable backtrace support on crash" ON)
add_feature_info(ENABLE_BACKTRACE ENABLE_BACKTRACE "Backtrace support.")
@@ -42,8 +27,6 @@ add_compile_options(
)
set(CMAKE_C_STANDARD 11)
get_filename_component(PROJECT_TOP "${PROJECT_SOURCE_DIR}/.." ABSOLUTE)
add_custom_command(
OUTPUT ${CMAKE_BINARY_DIR}/version.c
${CMAKE_BINARY_DIR}/include/version.h