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refact(cmake): change mcx16 detection to facilitate cross compiling (#351)

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* refact(cmake): change mcx16 detection to facilitate cross compiling

Signed-off-by: SchrodingerZhu <i@zhuyi.fan>
This commit is contained in:
Schrodinger ZHU Yifan
2021-07-20 15:59:44 +08:00
committed by GitHub
parent e60dd3dc95
commit 704bc423cc
1 changed files with 5 additions and 21 deletions
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26
CMakeLists.txt
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@@ -116,16 +116,6 @@ if(NOT MSVC)
if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
target_link_libraries(snmalloc_lib INTERFACE atomic)
endif()
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
# XXX elseif ARM?
endif()
endif()
if (WIN32)
@@ -141,17 +131,11 @@ if (WIN32)
endif()
endif()
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86_64")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "amd64")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "AMD64")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
elseif(${CMAKE_SYSTEM_PROCESSOR} STREQUAL "x86")
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
endif()
endif ()
# detect support for cmpxchg16b; werror is needed to make sure mcx16 must be used by targets
check_cxx_compiler_flag("-Werror -Wextra -Wall -mcx16" SNMALLOC_COMPILER_SUPPORT_MCX16)
if(SNMALLOC_COMPILER_SUPPORT_MCX16)
target_compile_options(snmalloc_lib INTERFACE $<$<COMPILE_LANGUAGE:CXX>:-mcx16>)
endif()
# Have to set this globally, as can't be set on an interface target.
if(SNMALLOC_USE_CXX20)