mirror of
https://github.com/polybar/polybar.git
synced 2024-11-11 13:50:56 -05:00
108 lines
4.2 KiB
CMake
108 lines
4.2 KiB
CMake
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 17)
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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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set(POLYBAR_FLAGS "" CACHE STRING "C++ compiler flags used for compiling polybar")
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list(APPEND cxx_base -Wall -Wextra -Wpedantic -Wdeprecated-copy-dtor)
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list(APPEND cxx_debug -DDEBUG -g2 -Og)
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list(APPEND cxx_minsizerel "")
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list(APPEND cxx_sanitize ${cxx_debug} -O0 -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer -fno-optimize-sibling-calls)
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list(APPEND cxx_coverage ${cxx_debug} --coverage)
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list(APPEND cxx_linker_base "")
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list(APPEND cxx_linker_minsizerel "")
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# Compiler flags
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag("-Wsuggest-override" HAS_SUGGEST_OVERRIDE)
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if (HAS_SUGGEST_OVERRIDE)
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list(APPEND cxx_base -Wsuggest-override)
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endif()
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unset(HAS_SUGGEST_OVERRIDE)
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if (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
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# Need dprintf() for FreeBSD 11.1 and older
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# libinotify uses c99 extension, so suppress this error
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list(APPEND cxx_base -D_WITH_DPRINTF -Wno-c99-extensions)
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# Ensures that libraries from dependencies in LOCALBASE are used
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list(APPEND cxx_linker_base -L/usr/local/lib)
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endif()
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# Check compiler
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if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
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list(APPEND cxx_base -Wno-error=parentheses-equality -Wno-zero-length-array)
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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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list(APPEND cxx_minsizerel -fdata-sections -ffunction-sections -flto)
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list(APPEND cxx_linker_minsizerel -Wl,--gc-sections)
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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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list(APPEND cxx_base -stdlib=libc++)
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list(APPEND cxx_linker_base -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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list(APPEND cxx_linker_base -lstdc++)
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endif()
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SET(CMAKE_CXX_FLAGS_COVERAGE "${CMAKE_CXX_FLAGS_DEBUG} ${CMAKE_CXX_FLAGS_COVERAGE}")
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SET(CMAKE_EXE_LINKER_FLAGS_COVERAGE "${CMAKE_EXE_LINKER_FLAGS_DEBUG} ${CMAKE_EXE_LINKER_FLAGS_COVERAGE}")
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SET(CMAKE_SHARED_LINKER_FLAGS_COVERAGE "${CMAKE_SHARED_LINKER_FLAGS_DEBUG} ${CMAKE_SHARED_LINKER_FLAGS_COVERAGE}")
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list(APPEND cxx_flags ${cxx_base})
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list(APPEND cxx_linker_flags ${cxx_linker_base})
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if (CMAKE_BUILD_TYPE_UPPER STREQUAL "DEBUG")
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list(APPEND cxx_flags ${cxx_debug})
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elseif (CMAKE_BUILD_TYPE_UPPER STREQUAL "MINSIZEREL")
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list(APPEND cxx_flags ${cxx_minsizerel})
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list(APPEND cxx_linker_flags ${cxx_linker_minsizerel})
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elseif (CMAKE_BUILD_TYPE_UPPER STREQUAL "SANITIZE")
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list(APPEND cxx_flags ${cxx_sanitize})
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elseif (CMAKE_BUILD_TYPE_UPPER STREQUAL "COVERAGE")
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list(APPEND cxx_flags ${cxx_coverage})
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endif()
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string(REPLACE " " ";" polybar_flags_list "${POLYBAR_FLAGS}")
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list(APPEND cxx_flags ${polybar_flags_list})
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list(APPEND cxx_linker_flags ${cxx_flags})
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string(REPLACE ";" " " cxx_flags_str "${cxx_flags}")
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string(REPLACE ";" " " cxx_linker_flags_str "${cxx_linker_flags}")
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# TODO use target_link_options once min cmake version is >= 3.13
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set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} ${cxx_linker_flags_str}")
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