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60 lines
2.2 KiB
60 lines
2.2 KiB
cmake_minimum_required (VERSION 3.8)
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if(POLICY CMP0129)
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cmake_policy(SET CMP0129 NEW)
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endif()
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project(Assembler C)
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message("CTEST_FULL_OUTPUT ")
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set(CMAKE_VERBOSE_MAKEFILE 1)
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set(SRCS)
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# (at least) the following toolchains can process assembler files directly
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# and also generate assembler files from C:
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if("${CMAKE_GENERATOR}" MATCHES "Makefile|Xcode|Ninja" AND
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NOT CMAKE_OSX_ARCHITECTURES MATCHES ";")
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if((CMAKE_C_COMPILER_ID MATCHES "^(GNU|LCC|Clang|AppleClang|HP|SunPro|XL|OrangeC)$") OR (CMAKE_C_COMPILER_ID MATCHES "Intel" AND UNIX)
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AND NOT (CMAKE_C_COMPILER_ID STREQUAL "Clang" AND "x${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "xMSVC"))
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set(C_FLAGS "${CMAKE_C_FLAGS}")
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separate_arguments(C_FLAGS)
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if(CMAKE_OSX_SYSROOT AND CMAKE_C_SYSROOT_FLAG AND NOT ";${C_FLAGS};" MATCHES ";${CMAKE_C_SYSROOT_FLAG};")
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list(APPEND C_FLAGS ${CMAKE_C_SYSROOT_FLAG} ${CMAKE_OSX_SYSROOT})
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endif()
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if(CMAKE_OSX_ARCHITECTURES)
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list(APPEND C_FLAGS -arch ${CMAKE_OSX_ARCHITECTURES})
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elseif("${CMAKE_SYSTEM_NAME};${CMAKE_SYSTEM_PROCESSOR}" STREQUAL "Darwin;arm64")
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list(APPEND C_FLAGS -arch arm64)
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endif()
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if(CMAKE_C_COMPILER_ID MATCHES "Clang")
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# Just in case the user is passing -flto, we need to pass -fno-lto to
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# clang when generating the assembly file, or else clang will generate
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# LLVM IR instead of assembly.
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list(APPEND C_FLAGS -fno-lto)
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endif()
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# Clang on OS X, and perhaps other compilers, do not support -g
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# for both generating and assembling, so drop it from generating.
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list(REMOVE_ITEM C_FLAGS -g)
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set(SRCS main.s)
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add_custom_command(
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OUTPUT main.s
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COMMAND ${CMAKE_C_COMPILER} ${C_FLAGS}
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"$<$<CONFIG:Debug>:${CMAKE_C_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDebugDLL}>"
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"$<$<NOT:$<CONFIG:Debug>>:${CMAKE_C_COMPILE_OPTIONS_MSVC_RUNTIME_LIBRARY_MultiThreadedDLL}>"
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-S ${CMAKE_CURRENT_SOURCE_DIR}/main.c -o main.s
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COMMAND_EXPAND_LISTS
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DEPENDS main.c
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VERBATIM
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)
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endif()
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endif()
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if(SRCS)
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set(CMAKE_ASM_FLAGS "${CMAKE_C_FLAGS}")
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enable_language(ASM OPTIONAL)
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else()
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message(STATUS "No assembler enabled, using C")
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set(SRCS main.c)
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endif()
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add_executable(HelloAsm ${SRCS})
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