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cmake_minimum_required(VERSION 3.9)
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if(CLANG OR CLANG_SUFFIX)
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set(CMAKE_C_COMPILER "clang${CLANG_SUFFIX}")
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set(CMAKE_CXX_COMPILER "clang++${CLANG_SUFFIX}")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fuse-ld=lld")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-ld=lld")
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endif()
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if(CLANG_CL)
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set(CMAKE_C_COMPILER "clang-cl")
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set(CMAKE_CXX_COMPILER "clang-cl")
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set(CMAKE_LINKER "lld-link")
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endif()
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if(NOT CMAKE_BUILD_TYPE)
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set(CMAKE_BUILD_TYPE "Release" CACHE STRING "set build type to Release")
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endif()
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project(wasm3)
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message("----")
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message("Generator: ${CMAKE_GENERATOR}")
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message("Compiler: ${CMAKE_C_COMPILER_ID}")
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message("Build Type: ${CMAKE_BUILD_TYPE}")
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include(CheckIPOSupported)
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set(CMAKE_C_STANDARD 11)
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set(CMAKE_C_STANDARD_REQUIRED YES)
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set(CMAKE_C_EXTENSIONS NO)
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set(CMAKE_CXX_STANDARD 11)
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set(CMAKE_CXX_STANDARD_REQUIRED YES)
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set(CMAKE_CXX_EXTENSIONS NO)
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file(GLOB M3_SRC "source/*.c" "source/*.cpp")
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if((CMAKE_C_COMPILER_ID MATCHES "GNU") OR
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(CMAKE_C_COMPILER_ID MATCHES "MSVC"))
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# Compile C files as C++
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set_source_files_properties(${M3_SRC} PROPERTIES LANGUAGE CXX)
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# Let m3.hpp file know
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add_definitions(-DM3_COMPILED_AS_CPP=1)
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endif()
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DDEBUG=1 -ggdb")
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if (CMAKE_C_COMPILER_ID MATCHES "GNU")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fpermissive") # TODO: remove
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endif()
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if(WIN32)
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add_definitions(-D_CRT_SECURE_NO_WARNINGS -D_MBCS) # -DM3_RUN_LOOPS=10
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} /WX- /diagnostics:column")
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if (CMAKE_C_COMPILER_ID MATCHES "MSVC")
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /Zi /Zo /Oxs /w /fp:fast /arch:AVX2")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "/DEBUG:FULL")
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else()
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} /O3 /Oy /GS- /Qvec /w -Xclang -Oz /fp:fast") # /Gr
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endif()
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") # /GR- /GX-
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else()
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if (CMAKE_C_COMPILER_ID MATCHES "GNU")
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set(OPT_FLAGS "-O3")
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else()
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set(OPT_FLAGS "-Oz") # -Ofast
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endif()
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set(CMAKE_C_FLAGS_RELEASE "${OPT_FLAGS} -fomit-frame-pointer -march=native -w -Wfatal-errors") #-fno-inline
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set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE}") # -fno-rtti -fno-exceptions
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set(CMAKE_EXE_LINKER_FLAGS_DEBUG "-O0")
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set(CMAKE_EXE_LINKER_FLAGS_RELEASE "-O3")
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endif()
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add_executable(wasm3 ${M3_SRC})
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check_ipo_supported(RESULT result)
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if(result)
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set_property(TARGET wasm3 PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
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message("LTO: ON")
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else()
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message("LTO: OFF")
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endif()
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message("----")
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