2024-05-16 23:14:41 +00:00
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# BuildOptions.cmake
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# License: Unlicense (https://unlicense.org)
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option(USE_CCACHE "Use ccache compiler cache to speed up builds" ON)
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option(USE_MOLD "Use the mold/sold parallel linker for faster builds" ON)
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2024-05-18 14:58:12 +00:00
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option(BUILD_TESTING "Build unit tests" ON)
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2024-05-16 22:56:21 +00:00
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function(use_ccache)
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if (USE_CCACHE)
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message(CHECK_START "Detecting cacche")
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find_program(CCACHE_PATH ccache)
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if(CCACHE_PATH)
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message(CHECK_PASS("found"))
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set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_PATH})
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set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ${CCACHE_PATH})
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endif()
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list(APPEND CMAKE_MESSAGE_INDENT " ")
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message(STATUS "(set -DUSE_CCACHE=Off to disable)")
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list(POP_BACK CMAKE_MESSAGE_INDENT)
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endif()
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endfunction()
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function(check_and_set_linker)
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if(USE_MOLD)
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# Determine if the compiler is GCC or Clang
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if(CMAKE_CXX_COMPILER_ID MATCHES "Clang|GNU")
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message(STATUS "Detected GCC/Clang, checking for mold/sold linker...")
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# Check for mold linker on general systems and ld64.mold on macOS
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if(APPLE)
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find_program(MOLD_LINKER ld64.mold)
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set(CMAKE_LINKER_TYPE SOLD)
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else()
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find_program(MOLD_LINKER mold)
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set(CMAKE_LINKER_TYPE MOLD)
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endif()
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if(MOLD_LINKER)
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message(STATUS "LINKER_TYPE set to ${CMAKE_LINKER_TYPE} for faster builds")
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list(APPEND CMAKE_MESSAGE_INDENT " ")
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message(STATUS "(set -DUSE_MOLD=OFF to disable)")
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list(POP_BACK CMAKE_MESSAGE_INDENT)
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else()
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message(STATUS " -- No suitable mold linker found. Using default linker.")
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endif()
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else()
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message(STATUS "Compiler is neither GCC nor Clang. Skipping mold linker check.")
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endif()
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endif()
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endfunction()
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