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@ -39,8 +39,6 @@ endif()
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if(WASIENV)
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set(CMAKE_C_COMPILER "wasicc")
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set(CMAKE_CXX_COMPILER "wasic++")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto -Wl,--lto-O3 -Wl,-z,stack-size=8388608")
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endif()
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if(BUILD_32BIT)
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@ -77,7 +75,6 @@ include_directories("./source/")
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#-fno-optimize-sibling-calls
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Dd_m3HasWASI")
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set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -DDEBUG=1")
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if(EMSCRIPTEN)
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@ -86,7 +83,19 @@ if(EMSCRIPTEN)
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if(WASM_TCO)
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set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Xclang -target-feature -Xclang +tail-call")
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endif()
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elseif(WASIENV)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Dd_m3HasMetaWASI")
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set(CMAKE_C_FLAGS_RELEASE "-O3 -Wfatal-errors -fomit-frame-pointer -fno-stack-check -fno-stack-protector")
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# TODO: LTO breaks wasm imports currently:
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# https://www.mail-archive.com/llvm-bugs@lists.llvm.org/msg36273.html
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#-flto -Wl,--lto-O3
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,-z,stack-size=8388608")
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elseif(WIN32)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Dd_m3HasWASI")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_CRT_SECURE_NO_WARNINGS /WX- /diagnostics:column")
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string(REGEX REPLACE "/W[0-4]" "/W0" CMAKE_C_FLAGS "${CMAKE_C_FLAGS}")
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@ -105,6 +114,8 @@ elseif(WIN32)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:8388608") # stack size
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else()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Dd_m3HasWASI")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wparentheses -Wundef -Wpointer-arith -Wstrict-aliasing=2")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror=shadow -Werror=implicit-function-declaration") # -Werror=cast-align
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-function -Wno-unused-variable -Wno-unused-parameter -Wno-missing-field-initializers")
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@ -123,7 +134,7 @@ else()
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endif()
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check_ipo_supported(RESULT result)
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if(result)
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if(result AND NOT WASIENV) # TODO: LTO breaks wasm imports
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set_property(TARGET ${OUT_FILE} PROPERTY INTERPROCEDURAL_OPTIMIZATION True)
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message("LTO: ON")
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else()
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Volodymyr Shymanskyy
5 years ago