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Merge pull request #4 from chrisbeall/feature/march-native 

Add option to toggle march=native
release/4.3a0
Chris Beall 2019-05-18 19:43:56 -07:00 committed by GitHub
parent 357e739127 7b9ed50daa
commit 2d15b9aed6
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 7 additions and 0 deletions
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1
CMakeLists.txt
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@ -512,6 +512,7 @@ if(GTSAM_UNSTABLE_AVAILABLE)
print_config_flag(${GTSAM_BUILD_UNSTABLE} "Build libgtsam_unstable ")
endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" cmake_build_type_toupper)
print_config_flag(${GTSAM_BUILD_WITH_MARCH_NATIVE} "Build for native architecture ")
if(NOT MSVC AND NOT XCODE_VERSION)
message(STATUS " Build type : ${CMAKE_BUILD_TYPE}")
message(STATUS " C compilation flags : ${CMAKE_C_FLAGS} ${CMAKE_C_FLAGS_${cmake_build_type_toupper}}")

6
cmake/GtsamBuildTypes.cmake
View File

@ -90,6 +90,12 @@ if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
endif()
endif()
option(GTSAM_BUILD_WITH_MARCH_NATIVE "Enable/Disable building with all instructions supported by native architecture (binary may not be portable!)" ON)
if(GTSAM_BUILD_WITH_MARCH_NATIVE)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -march=native")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native")
endif()
# Set up build type library postfixes
if(GTSAM_BUILD_TYPE_POSTFIXES)
foreach(build_type Debug Timing Profiling RelWithDebInfo MinSizeRel)