134 lines
3.8 KiB
CMake
134 lines
3.8 KiB
CMake
# 30 may 2016
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cmake_minimum_required(VERSION 2.8.12)
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# TODOs
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# - ensure all set_target_properties() calls are approrpiately set, APPEND, and APPEND_STRING
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# set up our configurations
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set(CMAKE_CONFIGURATION_TYPES Debug Static Release ReleaseStatic)
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# we load the variables after calling project()
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# default to Debug if no configuration specified
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if(NOT CMAKE_BUILD_TYPE)
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# the CACHE FORCE is necessary for this to work properly
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set(CMAKE_BUILD_TYPE Debug CACHE STRING "Build type; one of: Debug Release Static ReleaseStatic" FORCE)
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endif()
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# and save whether this is shared in a variable
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if(${CMAKE_BUILD_TYPE} STREQUAL "Debug")
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set(_SHARED TRUE)
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elseif(${CMAKE_BUILD_TYPE} STREQUAL "Release")
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set(_SHARED TRUE)
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endif()
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# and we need to set this up prior to project() too
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set(CMAKE_OSX_DEPLOYMENT_TARGET "10.8")
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project(libui)
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# TODO can this be above the project()?
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if(WIN32)
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if(NOT MSVC)
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if(_SHARED)
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message(FATAL_ERROR
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"Sorry, libui for Windows cannot be built as a DLL with MinGW. You will need to either build as a static library or build with MSVC.")
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endif()
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endif()
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endif()
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# now that we called project(), load our config variables
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macro(cfgcopy _prefix)
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set(${_prefix}_STATIC "${${_prefix}_DEBUG}")
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set(${_prefix}_RELEASESTATIC "${${_prefix}_RELEASE}")
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endmacro()
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cfgcopy(CMAKE_C_FLAGS)
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cfgcopy(CMAKE_CXX_FLAGS)
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cfgcopy(CMAKE_SHARED_LINKER_FLAGS)
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cfgcopy(CMAKE_STATIC_LINKER_FLAGS)
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cfgcopy(CMAKE_EXE_LINKER_FLAGS)
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macro(append _var _val)
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set(${_var} "${${_var}} ${_val}")
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endmacro()
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macro(append2 _var1 _var2 _val)
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append(${_var1} "${_val}")
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append(${_var2} "${_val}")
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endmacro()
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if(MSVC)
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append2(CMAKE_C_FLAGS CMAKE_CXX_FLAGS
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"/W4 /wd4100 /bigobj /RTC1 /RTCs /RTCu")
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# shut the compiler up in some cases
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# LONGTERM still needed?
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append(CMAKE_CXX_FLAGS " /EHsc")
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append(_LIBUI_CFLAGS " ${_PLATFORM_CFLAGS}")
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# note the /MANIFEST:NO (which must be / and uppercase); thanks FraGag (https://github.com/andlabs/libui/issues/93#issuecomment-223183436)
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# also don't apply to CMAKE_STATIC_LINKER_FLAGS; those are passed to a different tool that doesn't support them
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append2(CMAKE_SHARED_LINKER_FLAGS CMAKE_EXE_LINKER_FLAGS
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" /LARGEADDRESSAWARE /INCREMENTAL:NO /MANIFEST:NO")
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else()
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append2(CMAKE_C_FLAGS CMAKE_CXX_FLAGS
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" -Wall -Wextra -pedantic -Wno-unused-parameter -Wno-switch")
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if(NOT WIN32)
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append(CMAKE_C_FLAGS_DEBUG " -fPIC")
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append(CMAKE_CXX_FLAGS_DEBUG " -fPIC")
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append(CMAKE_SHARED_LINKER_FLAGS_DEBUG " -fPIC")
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append(CMAKE_EXE_LINKER_FLAGS_DEBUG " -fPIC")
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append(CMAKE_C_FLAGS_RELEASE " -fPIC")
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append(CMAKE_CXX_FLAGS_RELEASE " -fPIC")
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append(CMAKE_SHARED_LINKER_FLAGS_RELEASE " -fPIC")
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append(CMAKE_EXE_LINKER_FLAGS_RELEASE " -fPIC")
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endif()
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if(WIN32)
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append(_LIBUI_CFLAGS " ${_PLATFORM_CFLAGS}")
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else()
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append(_LIBUI_CFLAGS " -fvisibility=hidden ${_PLATFORM_CFLAGS}")
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endif()
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append(CMAKE_SHARED_LINKER_FLAGS " -fvisibility=hidden")
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# don't amend CMAKE_STATIC_LINKER_FLAGS; that's for ar
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endif()
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if(NOT _SHARED)
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append(_LIBUI_CFLAGS " -D_UI_STATIC")
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endif()
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add_subdirectory("common")
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add_subdirectory("${_OSDIR}")
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if(_SHARED)
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add_library(libui SHARED
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$<TARGET_OBJECTS:libui-common>
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$<TARGET_OBJECTS:libui-${_OSDIR}>
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)
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if(_SETVERSION)
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set_target_properties(libui PROPERTIES
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SOVERSION "${_VERSION}")
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endif()
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target_link_libraries(libui PRIVATE ${_PLATFORM_LIBS})
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else()
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_add_static(libui
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$<TARGET_OBJECTS:libui-common>
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$<TARGET_OBJECTS:libui-${_OSDIR}>
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)
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endif()
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# non-Windows platforms add an extra lib- at the beginning
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if(NOT WIN32)
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set_target_properties(libui PROPERTIES
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OUTPUT_NAME ui)
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endif()
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# let cmake handle quoting and escaping for us
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if(WIN32)
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target_compile_definitions(libui
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PRIVATE "_UI_EXTERN=__declspec(dllexport) extern")
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else()
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target_compile_definitions(libui
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PRIVATE "_UI_EXTERN=__attribute__((visibility(\"default\"))) extern")
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endif()
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add_subdirectory("test")
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add_subdirectory("examples")
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