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44 lines
1.7 KiB
CMake
44 lines
1.7 KiB
CMake
# Use Ninja instead of Unix Makefiles by default.
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# https://stackoverflow.com/questions/11269833/cmake-selecting-a-generator-within-cmakelists-txt
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#
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# Reason: it has better startup time than make and it parallelizes jobs more uniformly.
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# (when comparing to make with Makefiles that was generated by CMake)
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#
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# How to install Ninja on Ubuntu:
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# sudo apt-get install ninja-build
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# CLion does not support Ninja
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# You can add your vote on CLion task tracker:
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# https://youtrack.jetbrains.com/issue/CPP-2659
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# https://youtrack.jetbrains.com/issue/CPP-870
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if (NOT DEFINED ENV{CLION_IDE} AND NOT DEFINED ENV{XCODE_IDE})
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find_program(NINJA_PATH ninja)
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if (NINJA_PATH)
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set(CMAKE_GENERATOR "Ninja" CACHE INTERNAL "" FORCE)
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endif ()
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endif()
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# Default toolchain - this is needed to avoid dependency on OS files.
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execute_process(COMMAND uname -s OUTPUT_VARIABLE OS)
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execute_process(COMMAND uname -m OUTPUT_VARIABLE ARCH)
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if (OS MATCHES "Linux"
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AND NOT DEFINED CMAKE_TOOLCHAIN_FILE
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AND NOT DISABLE_HERMETIC_BUILD
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AND ($ENV{CC} MATCHES ".*clang.*" OR CMAKE_C_COMPILER MATCHES ".*clang.*")
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AND (USE_STATIC_LIBRARIES OR NOT DEFINED USE_STATIC_LIBRARIES))
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if (ARCH MATCHES "amd64|x86_64")
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set (CMAKE_TOOLCHAIN_FILE "cmake/linux/toolchain-x86_64.cmake" CACHE INTERNAL "" FORCE)
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elseif (ARCH MATCHES "^(aarch64.*|AARCH64.*|arm64.*|ARM64.*)")
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set (CMAKE_TOOLCHAIN_FILE "cmake/linux/toolchain-aarch64.cmake" CACHE INTERNAL "" FORCE)
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elseif (ARCH MATCHES "^(ppc64le.*|PPC64LE.*)")
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set (CMAKE_TOOLCHAIN_FILE "cmake/linux/toolchain-ppc64le.cmake" CACHE INTERNAL "" FORCE)
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else ()
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message (FATAL_ERROR "Unsupported architecture: ${ARCH}")
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endif ()
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endif()
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