mirror of https://github.com/polybar/polybar.git
97 lines
3.9 KiB
CMake
97 lines
3.9 KiB
CMake
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option(ENABLE_CCACHE "Enable ccache support" ON)
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if(ENABLE_CCACHE)
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find_program(BIN_CCACHE ccache)
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mark_as_advanced(BIN_CCACHE)
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if(NOT BIN_CCACHE)
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message_colored(STATUS "Couldn't locate ccache, disabling ccache..." "33")
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else()
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# Enable only if the binary is found
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message_colored(STATUS "Using compiler cache ${BIN_CCACHE}" "32")
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set(CMAKE_CXX_COMPILER_LAUNCHER ${BIN_CCACHE} CACHE STRING "")
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endif()
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endif()
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option(CXXLIB_CLANG "Link against libc++" OFF)
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option(CXXLIB_GCC "Link against stdlibc++" OFF)
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set(CMAKE_CXX_STANDARD 14)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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set(THREADS_PREFER_PTHREAD_FLAG ON)
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# Compiler flags
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wextra")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wpedantic")
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if (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
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# Need dprintf() for FreeBSD 11.1 and older
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_WITH_DPRINTF")
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# libinotify uses c99 extension, so suppress this error
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-c99-extensions")
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# Ensures that libraries from dependencies in LOCALBASE are used
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -L/usr/local/lib")
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endif()
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-error=parentheses-equality")
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-zero-length-array")
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endif()
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -DDEBUG")
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set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g2")
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
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set(CMAKE_CXX_FLAGS_MINSIZEREL "${CMAKE_CXX_FLAGS_MINSIZEREL} -fdata-sections -ffunction-sections")
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set(CMAKE_EXE_LINKER_FLAGS_MINSIZEREL "${CMAKE_EXE_LINKER_FLAGS_MINSIZEREL} -Wl,--gc-sections,--icf=safe")
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endif()
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# Check compiler
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL Clang)
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "3.4.0")
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message_colored(FATAL_ERROR "Compiler not supported (Requires clang-3.4+ or gcc-5.1+)" 31)
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else()
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message_colored(STATUS "Using supported compiler ${CMAKE_CXX_COMPILER_ID}-${CMAKE_CXX_COMPILER_VERSION}" 32)
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endif()
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elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL GNU)
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if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "5.1.0")
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message_colored(FATAL_ERROR "Compiler not supported (Requires clang-3.4+ or gcc-5.1+)" 31)
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else()
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message_colored(STATUS "Using supported compiler ${CMAKE_CXX_COMPILER_ID}-${CMAKE_CXX_COMPILER_VERSION}" 32)
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endif()
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else()
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message_colored(WARNING "Using unsupported compiler ${CMAKE_CXX_COMPILER_ID}-${CMAKE_CXX_COMPILER_VERSION} !" 31)
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endif()
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# Set compiler and linker flags for preferred C++ library
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if(CXXLIB_CLANG)
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message_colored(STATUS "Linking against libc++" 32)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libc++")
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lc++ -lc++abi")
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elseif(CXXLIB_GCC)
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message_colored(STATUS "Linking against libstdc++" 32)
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lstdc++")
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endif()
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# Custom build type ; SANITIZE
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SET(CMAKE_CXX_FLAGS_SANITIZE "-O0 -g -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer -fno-optimize-sibling-calls"
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CACHE STRING "Flags used by the C++ compiler during sanitize builds." FORCE)
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SET(CMAKE_EXE_LINKER_FLAGS_SANITIZE ""
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CACHE STRING "Flags used for linking binaries during sanitize builds." FORCE)
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SET(CMAKE_SHARED_LINKER_FLAGS_SANITIZE ""
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CACHE STRING "Flags used by the shared libraries linker during sanitize builds." FORCE)
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MARK_AS_ADVANCED(
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CMAKE_CXX_FLAGS_SANITIZE
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CMAKE_EXE_LINKER_FLAGS_SANITIZE
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CMAKE_SHARED_LINKER_FLAGS_SANITIZE)
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# Custom build type ; Coverage
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SET(CMAKE_CXX_FLAGS_COVERAGE
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"${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_COVERAGE} --coverage")
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SET(CMAKE_EXE_LINKER_FLAGS_COVERAGE
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"${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${CMAKE_EXE_LINKER_FLAGS_COVERAGE}")
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SET(CMAKE_SHARED_LINKER_FLAGS_COVERAGE
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"${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${CMAKE_SHARED_LINKER_FLAGS_COVERAGE}")
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