mirror of
https://github.com/VectorCamp/vectorscan.git
synced 2025-06-28 16:41:01 +03:00
rework CMakeLists.txt to ensure it works with clang
This commit is contained in:
Konstantinos Margaritis
parent
0221dc1771
commit
1f4143de81
284
CMakeLists.txt
284
CMakeLists.txt
@ -3,7 +3,7 @@ project (vectorscan C CXX)
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set (HS_MAJOR_VERSION 5)
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set (HS_MINOR_VERSION 4)
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set (HS_PATCH_VERSION 3)
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set (HS_PATCH_VERSION 5)
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set (HS_VERSION ${HS_MAJOR_VERSION}.${HS_MINOR_VERSION}.${HS_PATCH_VERSION})
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set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
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@ -128,11 +128,9 @@ CMAKE_DEPENDENT_OPTION(DUMP_SUPPORT "Dump code support; normally on, except in r
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CMAKE_DEPENDENT_OPTION(DISABLE_ASSERTS "Disable assert(); Asserts are enabled in debug builds, disabled in release builds" OFF "NOT RELEASE_BUILD" ON)
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option(BUILD_AVX512 "Experimental: support avx512 in the fat runtime"
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OFF)
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option(BUILD_AVX512 "Experimental: support avx512 in the fat runtime" OFF)
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option(BUILD_AVX512VBMI "Experimental: support avx512vbmi in the fat runtime"
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OFF)
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option(BUILD_AVX512VBMI "Experimental: support avx512vbmi in the fat runtime" OFF)
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if (BUILD_AVX512VBMI)
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set(BUILD_AVX512 ON)
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@ -140,47 +138,71 @@ endif ()
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# TODO: per platform config files?
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# remove CMake's idea of optimisation
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foreach (CONFIG ${CMAKE_BUILD_TYPE} ${CMAKE_CONFIGURATION_TYPES})
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string(REGEX REPLACE "-O[^ ]*" "" CMAKE_C_FLAGS_${CONFIG} "${CMAKE_C_FLAGS_${CONFIG}}")
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string(REGEX REPLACE "-O[^ ]*" "" CMAKE_CXX_FLAGS_${CONFIG} "${CMAKE_CXX_FLAGS_${CONFIG}}")
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endforeach ()
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# remove CMake's idea of optimisation
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foreach (CONFIG ${CMAKE_BUILD_TYPE} ${CMAKE_CONFIGURATION_TYPES})
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string(REGEX REPLACE "-O[^ ]*" "" CMAKE_C_FLAGS_${CONFIG} "${CMAKE_C_FLAGS_${CONFIG}}")
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string(REGEX REPLACE "-O[^ ]*" "" CMAKE_CXX_FLAGS_${CONFIG} "${CMAKE_CXX_FLAGS_${CONFIG}}")
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endforeach ()
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if (CMAKE_COMPILER_IS_GNUCC AND NOT CROSS_COMPILE_AARCH64 AND NOT ARCH_PPC64EL)
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message(STATUS "gcc version ${CMAKE_C_COMPILER_VERSION}")
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# If gcc doesn't recognise the host cpu, then mtune=native becomes
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# generic, which isn't very good in some cases. march=native looks at
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# cpuid info and then chooses the best microarch it can (and replaces
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# the flag), so use that for tune.
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if (CMAKE_C_COMPILER_ID MATCHES "Intel")
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set(SKYLAKE_FLAG "-xCORE-AVX512")
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else ()
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set(SKYLAKE_FLAG "-march=skylake-avx512")
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set(ICELAKE_FLAG "-march=icelake-server")
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endif ()
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# arg1 might exist if using ccache
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string (STRIP "${CMAKE_C_COMPILER_ARG1}" CC_ARG1)
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set (EXEC_ARGS ${CC_ARG1} -c -Q --help=target -march=native -mtune=native)
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execute_process(COMMAND ${CMAKE_C_COMPILER} ${EXEC_ARGS}
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OUTPUT_VARIABLE _GCC_OUTPUT)
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string(FIND "${_GCC_OUTPUT}" "march" POS)
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string(SUBSTRING "${_GCC_OUTPUT}" ${POS} -1 _GCC_OUTPUT)
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string(REGEX REPLACE "march=[ \t]*([^ \n]*)[ \n].*" "\\1"
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GNUCC_ARCH "${_GCC_OUTPUT}")
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# Detect best GNUCC_ARCH to tune for
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if (CMAKE_COMPILER_IS_GNUCC AND NOT CROSS_COMPILE)
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message(STATUS "gcc version ${CMAKE_C_COMPILER_VERSION}")
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# If gcc doesn't recognise the host cpu, then mtune=native becomes
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# generic, which isn't very good in some cases. march=native looks at
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# cpuid info and then chooses the best microarch it can (and replaces
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# the flag), so use that for tune.
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if (ARCH_IA32 OR ARCH_X86_64)
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# test the parsed flag
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set (EXEC_ARGS ${CC_ARG1} -E - -mtune=${GNUCC_ARCH})
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execute_process(COMMAND ${CMAKE_C_COMPILER} ${EXEC_ARGS}
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OUTPUT_QUIET ERROR_QUIET
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INPUT_FILE /dev/null
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RESULT_VARIABLE GNUCC_TUNE_TEST)
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if (NOT GNUCC_TUNE_TEST EQUAL 0)
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message(SEND_ERROR "Something went wrong determining gcc tune: -mtune=${GNUCC_ARCH} not valid")
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endif()
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set(TUNE_FLAG ${GNUCC_ARCH})
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else()
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set(TUNE_FLAG native)
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endif()
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elseif (NOT TUNE_FLAG)
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# arg1 might exist if using ccache
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string (STRIP "${CMAKE_C_COMPILER_ARG1}" CC_ARG1)
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set (EXEC_ARGS ${CC_ARG1} -c -Q --help=target -march=native -mtune=native)
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execute_process(COMMAND ${CMAKE_C_COMPILER} ${EXEC_ARGS}
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OUTPUT_VARIABLE _GCC_OUTPUT)
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string(FIND "${_GCC_OUTPUT}" "march" POS)
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string(SUBSTRING "${_GCC_OUTPUT}" ${POS} -1 _GCC_OUTPUT)
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string(REGEX REPLACE "march=[ \t]*([^ \n]*)[ \n].*" "\\1" GNUCC_ARCH "${_GCC_OUTPUT}")
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# test the parsed flag
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set (EXEC_ARGS ${CC_ARG1} -E - -mtune=${GNUCC_ARCH})
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execute_process(COMMAND ${CMAKE_C_COMPILER} ${EXEC_ARGS}
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OUTPUT_QUIET ERROR_QUIET
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INPUT_FILE /dev/null
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RESULT_VARIABLE GNUCC_TUNE_TEST)
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if (NOT GNUCC_TUNE_TEST EQUAL 0)
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message(SEND_ERROR "Something went wrong determining gcc tune: -mtune=${GNUCC_ARCH} not valid")
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set(TUNE_FLAG native)
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else()
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set(TUNE_FLAG ${GNUCC_ARCH})
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endif()
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message(STATUS "gcc will tune for ${GNUCC_ARCH}")
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elseif (CMAKE_COMPILER_IS_CLANG AND NOT CROSS_COMPILE)
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set(GNUCC_ARCH native)
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set(TUNE_FLAG generic)
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message(STATUS "clang will tune for ${TUNE_FLAG}")
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if (BUILD_AVX512)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${SKYLAKE_FLAG}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${SKYLAKE_FLAG}")
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elseif (BUILD_AVX2)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx2")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx2")
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else()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.2")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -msse4.2")
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endif()
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message(STATUS "${CMAKE_C_FLAGS}")
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message(STATUS "${CMAKE_CXX_FLAGS}")
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elseif (CROSS_COMPILE)
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set(GNUCC_ARCH generic)
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set(TUNE_FLAG generic)
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endif()
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if (ARCH_AARCH64)
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if (BUILD_SVE2_BITPERM)
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set(GNUCC_ARCH "${GNUCC_ARCH}+sve2-bitperm")
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elseif (BUILD_SVE2)
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@ -188,92 +210,88 @@ endif ()
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elseif (BUILD_SVE)
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set(GNUCC_ARCH "${GNUCC_ARCH}+sve")
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endif ()
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endif(ARCH_AARCH64)
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# compiler version checks TODO: test more compilers
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if (CMAKE_COMPILER_IS_GNUCXX)
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set(GNUCXX_MINVER "4.8.1")
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message(STATUS "g++ version ${CMAKE_CXX_COMPILER_VERSION}")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS GNUCXX_MINVER)
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message(FATAL_ERROR "A minimum of g++ ${GNUCXX_MINVER} is required for C++11 support")
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endif()
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endif()
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if(RELEASE_BUILD)
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if (NOT CMAKE_BUILD_TYPE MATCHES MINSIZEREL)
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set(OPT_C_FLAG "-O3")
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set(OPT_CXX_FLAG "-O3")
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else ()
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set(OPT_C_FLAG "-Os")
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set(OPT_CXX_FLAG "-Os")
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endif ()
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else()
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set(OPT_C_FLAG "-O0")
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set(OPT_CXX_FLAG "-O0")
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endif(RELEASE_BUILD)
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# set compiler flags - more are tested and added later
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set(EXTRA_C_FLAGS "${OPT_C_FLAG} -std=c17 -Wall -Wextra -Wshadow -Wcast-qual -fno-strict-aliasing")
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set(EXTRA_CXX_FLAGS "${OPT_CXX_FLAG} -std=c++17 -Wall -Wextra -Wshadow -Wswitch -Wreturn-type -Wcast-qual -Wno-deprecated -Wnon-virtual-dtor -fno-strict-aliasing -fno-new-ttp-matching")
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if (NOT RELEASE_BUILD)
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# -Werror is most useful during development, don't potentially break
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# release builds
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Werror")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Werror")
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endif()
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if (DISABLE_ASSERTS)
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -DNDEBUG")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -DNDEBUG")
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endif()
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if (ARCH_IA32 OR ARCH_X86_64 OR ARCH_ARM32 OR ARCH_AARCH64)
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if (NOT CMAKE_C_FLAGS MATCHES .*march.* AND NOT CMAKE_C_FLAGS MATCHES .*mtune.*)
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if (ARCH_IA32 OR ARCH_X86_64 OR ARCH_ARM32 OR ARCH_AARCH64)
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if (NOT CMAKE_C_FLAGS MATCHES .*march.* AND NOT CMAKE_C_FLAGS MATCHES .*mtune.*)
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set(ARCH_C_FLAGS "-march=${GNUCC_ARCH} -mtune=${TUNE_FLAG}")
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endif()
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endif()
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if (NOT CMAKE_CXX_FLAGS MATCHES .*march.* AND NOT CMAKE_CXX_FLAGS MATCHES .*mtune.*)
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set(ARCH_CXX_FLAGS "-march=${GNUCC_ARCH} -mtune=${TUNE_FLAG}")
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endif()
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if (NOT CMAKE_CXX_FLAGS MATCHES .*march.* AND NOT CMAKE_CXX_FLAGS MATCHES .*mtune.*)
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set(ARCH_CXX_FLAGS "-march=${GNUCC_ARCH} -mtune=${TUNE_FLAG}")
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endif()
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endif()
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if(ARCH_PPC64EL)
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if (NOT CMAKE_C_FLAGS MATCHES .*march.* AND NOT CMAKE_C_FLAGS MATCHES .*mtune.*)
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set(ARCH_C_FLAGS "-mtune=${TUNE_FLAG}")
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endif()
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if (NOT CMAKE_CXX_FLAGS MATCHES .*march.* AND NOT CMAKE_CXX_FLAGS MATCHES .*mtune.*)
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set(ARCH_CXX_FLAGS "-mtune=${TUNE_FLAG}")
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endif()
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if(ARCH_PPC64EL)
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if (NOT CMAKE_C_FLAGS MATCHES .*march.* AND NOT CMAKE_C_FLAGS MATCHES .*mtune.*)
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set(ARCH_C_FLAGS "-mtune=${TUNE_FLAG}")
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endif()
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if(CMAKE_COMPILER_IS_GNUCC)
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# spurious warnings?
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-array-bounds -Wno-maybe-uninitialized")
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if (NOT CMAKE_CXX_FLAGS MATCHES .*march.* AND NOT CMAKE_CXX_FLAGS MATCHES .*mtune.*)
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set(ARCH_CXX_FLAGS "-mtune=${TUNE_FLAG}")
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endif()
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-maybe-uninitialized")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fabi-version=0")
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endif ()
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# don't complain about abi
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-abi")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-abi")
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# compiler version checks TODO: test more compilers
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if (CMAKE_COMPILER_IS_GNUCXX)
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set(GNUCXX_MINVER "10")
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message(STATUS "g++ version ${CMAKE_CXX_COMPILER_VERSION}")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS GNUCXX_MINVER)
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message(FATAL_ERROR "A minimum of g++ ${GNUCXX_MINVER} is required for C++17 support")
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endif()
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endif()
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if (NOT(ARCH_IA32 AND RELEASE_BUILD))
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -fno-omit-frame-pointer")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fno-omit-frame-pointer")
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endif()
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if (CMAKE_C_COMPILER_ID MATCHES "Intel")
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set(SKYLAKE_FLAG "-xCORE-AVX512")
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if(RELEASE_BUILD)
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if (NOT CMAKE_BUILD_TYPE MATCHES MINSIZEREL)
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set(OPT_C_FLAG "-O3")
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set(OPT_CXX_FLAG "-O3")
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else ()
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set(SKYLAKE_FLAG "-march=skylake-avx512")
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set(ICELAKE_FLAG "-march=icelake-server")
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set(OPT_C_FLAG "-Os")
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set(OPT_CXX_FLAG "-Os")
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endif ()
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else()
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set(OPT_C_FLAG "-O0")
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set(OPT_CXX_FLAG "-O0")
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endif(RELEASE_BUILD)
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# set compiler flags - more are tested and added later
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set(EXTRA_C_FLAGS "${OPT_C_FLAG} -std=c17 -Wall -Wextra -Wshadow -Wcast-qual -fno-strict-aliasing")
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set(EXTRA_CXX_FLAGS "${OPT_CXX_FLAG} -std=c++17 -Wall -Wextra -Wshadow -Wswitch -Wreturn-type -Wcast-qual -Wno-deprecated -Wnon-virtual-dtor -fno-strict-aliasing")
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if (NOT CMAKE_COMPILER_IS_CLANG)
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fno-new-ttp-matching")
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endif()
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if (NOT RELEASE_BUILD)
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# -Werror is most useful during development, don't potentially break
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# release builds
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Werror")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Werror")
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endif()
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if (DISABLE_ASSERTS)
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -DNDEBUG")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -DNDEBUG")
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endif()
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if(CMAKE_COMPILER_IS_GNUCC)
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# spurious warnings?
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-array-bounds -Wno-maybe-uninitialized")
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endif()
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-maybe-uninitialized")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fabi-version=0")
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endif ()
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# don't complain about abi
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -Wno-abi")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -Wno-abi")
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endif()
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if (NOT(ARCH_IA32 AND RELEASE_BUILD))
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set(EXTRA_C_FLAGS "${EXTRA_C_FLAGS} -fno-omit-frame-pointer")
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set(EXTRA_CXX_FLAGS "${EXTRA_CXX_FLAGS} -fno-omit-frame-pointer")
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endif()
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CHECK_INCLUDE_FILES(unistd.h HAVE_UNISTD_H)
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if (ARCH_IA32 OR ARCH_X86_64)
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@ -289,8 +307,6 @@ elseif (ARCH_ARM32 OR ARCH_AARCH64)
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message(FATAL_ERROR "arm_sve.h is required to build for SVE.")
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endif()
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -flax-vector-conversions")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flax-vector-conversions")
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elseif (ARCH_PPC64EL)
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CHECK_INCLUDE_FILE_CXX(altivec.h HAVE_C_PPC64EL_ALTIVEC_H)
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endif()
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@ -318,8 +334,7 @@ if (CMAKE_SYSTEM_NAME MATCHES "Linux")
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# This is a Linux-only feature for now - requires platform support
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# elsewhere
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message(STATUS "generator is ${CMAKE_GENERATOR}")
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if (CMAKE_C_COMPILER_ID MATCHES "Clang" AND
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CMAKE_C_COMPILER_VERSION VERSION_LESS "3.9")
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if (CMAKE_C_COMPILER_IS_CLANG AND CMAKE_C_COMPILER_VERSION VERSION_LESS "3.9")
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message (STATUS "Clang v3.9 or higher required for fat runtime, cannot build fat runtime")
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set (FAT_RUNTIME_REQUISITES FALSE)
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elseif (NOT (CMAKE_GENERATOR MATCHES "Unix Makefiles" OR
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@ -343,7 +358,10 @@ include (${CMAKE_MODULE_PATH}/arch.cmake)
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# testing a builtin takes a little more work
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CHECK_C_SOURCE_COMPILES("void *aa_test(void *x) { return __builtin_assume_aligned(x, 16);}\nint main(void) { return 0; }" HAVE_CC_BUILTIN_ASSUME_ALIGNED)
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CHECK_CXX_SOURCE_COMPILES("void *aa_test(void *x) { return __builtin_assume_aligned(x, 16);}\nint main(void) { return 0; }" HAVE_CXX_BUILTIN_ASSUME_ALIGNED)
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CHECK_C_SOURCE_COMPILES("int main(void) { __builtin_constant_p(0); }" HAVE__BUILTIN_CONSTANT_P)
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# Clang does not use __builtin_constant_p() the same way as gcc
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if (NOT CMAKE_COMPILER_IS_CLANG)
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CHECK_C_SOURCE_COMPILES("int main(void) { __builtin_constant_p(0); }" HAVE__BUILTIN_CONSTANT_P)
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endif()
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set(C_FLAGS_TO_CHECK
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# Variable length arrays are way bad, most especially at run time
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@ -442,18 +460,22 @@ if(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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set(FREEBSD true)
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endif(CMAKE_SYSTEM_NAME MATCHES "FreeBSD")
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if (NOT FAT_RUNTIME)
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if (CROSS_COMPILE_AARCH64)
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if (FAT_RUNTIME)
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if (NOT (ARCH_IA32 OR ARCH_X86_64))
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message(FATAL_ERROR "Fat runtime is not supported on non-Intel architectures")
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else()
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message(STATUS "Building runtime for multiple microarchitectures")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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endif()
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else()
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if (CROSS_COMPILE)
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message(STATUS "Building for target CPU: ${ARCH_C_FLAGS}")
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else()
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message(STATUS "Building for current host CPU: ${ARCH_C_FLAGS}")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${ARCH_C_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARCH_CXX_FLAGS}")
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else()
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message(STATUS "Building runtime for multiple microarchitectures")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
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endif()
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add_subdirectory(util)
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@ -1171,8 +1193,8 @@ if (NOT FAT_RUNTIME)
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set_target_properties(hs_runtime PROPERTIES LINKER_LANGUAGE C)
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|
||||
add_library(hs_compile OBJECT ${hs_compile_SRCS})
|
||||
if (ARCH_IA32)
|
||||
set_target_properties(hs_compile PROPERTIES COMPILE_FLAGS "-mssse3")
|
||||
if (ARCH_IA32)
|
||||
set_target_properties(hs_compile PROPERTIES COMPILE_FLAGS "-msse4.2")
|
||||
endif (ARCH_IA32)
|
||||
|
||||
add_library(hs STATIC
|
||||
@ -1212,7 +1234,7 @@ else (FAT_RUNTIME)
|
||||
add_library(hs_exec_corei7 OBJECT ${hs_exec_SRCS})
|
||||
list(APPEND RUNTIME_LIBS $<TARGET_OBJECTS:hs_exec_corei7>)
|
||||
set_target_properties(hs_exec_corei7 PROPERTIES
|
||||
COMPILE_FLAGS "-march=corei7 -mssse3"
|
||||
COMPILE_FLAGS "-march=corei7 -msse4.2"
|
||||
RULE_LAUNCH_COMPILE "${BUILD_WRAPPER} corei7 ${CMAKE_MODULE_PATH}/keep.syms.in"
|
||||
)
|
||||
|
||||
@ -1255,8 +1277,8 @@ else (FAT_RUNTIME)
|
||||
set_target_properties(hs_runtime PROPERTIES LINKER_LANGUAGE C)
|
||||
add_library(hs_compile OBJECT ${hs_compile_SRCS})
|
||||
if (ARCH_IA32 OR ARCH_X86_64)
|
||||
set_target_properties(hs_exec_common PROPERTIES COMPILE_FLAGS "-mssse3")
|
||||
set_target_properties(hs_compile PROPERTIES COMPILE_FLAGS "-mssse3")
|
||||
set_target_properties(hs_exec_common PROPERTIES COMPILE_FLAGS "-msse4.2")
|
||||
set_target_properties(hs_compile PROPERTIES COMPILE_FLAGS "-msse4.2")
|
||||
endif ()
|
||||
|
||||
# we want the static lib for testing
|
||||
@ -1281,7 +1303,7 @@ else (FAT_RUNTIME)
|
||||
add_library(hs_exec_shared_corei7 OBJECT ${hs_exec_SRCS})
|
||||
list(APPEND RUNTIME_SHLIBS $<TARGET_OBJECTS:hs_exec_shared_corei7>)
|
||||
set_target_properties(hs_exec_shared_corei7 PROPERTIES
|
||||
COMPILE_FLAGS "-march=corei7 -mssse3"
|
||||
COMPILE_FLAGS "-march=corei7 -msse4.2"
|
||||
POSITION_INDEPENDENT_CODE TRUE
|
||||
RULE_LAUNCH_COMPILE "${BUILD_WRAPPER} corei7 ${CMAKE_MODULE_PATH}/keep.syms.in"
|
||||
)
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user