150 lines
5.1 KiB
CMake
150 lines
5.1 KiB
CMake
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option(IMHEX_IDE_HELPERS_OVERRIDE_XCODE_COMPILER "Enable choice of compiler for Xcode builds, despite CMake's best efforts" OFF)
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option(IMHEX_IDE_HELPERS_INTRUSIVE_IDE_TWEAKS "Enable intrusive CMake tweaks to better support IDEs with folder support" OFF)
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# The CMake infrastructure silently ignores the CMAKE_<>_COMPILER settings when
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# using the `Xcode` generator.
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#
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# A particularly nasty (and potentially only) way of getting around this is to
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# temporarily lie about the generator being used, while CMake determines and
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# locks in the compiler to use.
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#
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# Needless to say, this is hacky and fragile. Use at your own risk!
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if (IMHEX_IDE_HELPERS_OVERRIDE_XCODE_COMPILER AND CMAKE_GENERATOR STREQUAL "Xcode")
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set(CMAKE_GENERATOR "Unknown")
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enable_language(C CXX)
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set(CMAKE_GENERATOR "Xcode")
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set(CMAKE_XCODE_ATTRIBUTE_CC "${CMAKE_C_COMPILER}")
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set(CMAKE_XCODE_ATTRIBUTE_CXX "${CMAKE_CXX_COMPILER}")
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if (CLANG)
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set(CMAKE_XCODE_ATTRIBUTE_LD "${CMAKE_C_COMPILER}")
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set(CMAKE_XCODE_ATTRIBUTE_LDPLUSPLUS "${CMAKE_CXX_COMPILER}")
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endif()
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# By default Xcode passes a `-index-store-path=<...>` parameter to the compiler
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# during builds to build code completion indexes. This is not supported by
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# anything other than AppleClang
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set(CMAKE_XCODE_ATTRIBUTE_COMPILER_INDEX_STORE_ENABLE "NO")
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endif()
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# Generate a launch/build scheme for all targets
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set(CMAKE_XCODE_GENERATE_SCHEME YES)
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# Utility function that helps avoid messing with non-standard targets
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macro(returnIfTargetIsNonTweakable target)
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get_target_property(targetIsAliased ${target} ALIASED_TARGET)
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get_target_property(targetIsImported ${target} IMPORTED)
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if (targetIsAliased OR targetIsImported)
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return()
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endif()
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get_target_property(targetType ${target} TYPE)
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if (targetType MATCHES "INTERFACE_LIBRARY|UNKNOWN_LIBRARY")
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return()
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endif()
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endmacro()
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# Targets usually don't specify their private headers, nor group their source files
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# which results in very spotty coverage by IDEs with folders support
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#
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# Unfortunately, CMake does not have a `target_source_group` like construct yet, therefore
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# we have to play by the limitations of `source_group`.
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#
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# A particularly problematic part is that the function must be called within the directoryies
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# scope for the grouping to take effect.
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#
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# See: https://discourse.cmake.org/t/topic/7388
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function(tweakTargetForIDESupport target)
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returnIfTargetIsNonTweakable(${target})
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# Don't assume directory structure of third parties
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get_target_property(targetSourceDir ${target} SOURCE_DIR)
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if (targetSourceDir MATCHES "third_party")
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return()
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endif()
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# Add headers to target
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get_target_property(targetSourceDir ${target} SOURCE_DIR)
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if (targetSourceDir)
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file(GLOB_RECURSE targetPrivateHeaders CONFIGURE_DEPENDS "${targetSourceDir}/include/*.hpp")
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target_sources(${target} PRIVATE "${targetPrivateHeaders}")
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endif()
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# Organize target sources into directory tree
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get_target_property(sources ${target} SOURCES)
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foreach(file IN LISTS sources)
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get_filename_component(path "${file}" ABSOLUTE)
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if (NOT path MATCHES "^${targetSourceDir}")
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continue()
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endif()
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source_group(TREE "${targetSourceDir}" PREFIX "Source Tree" FILES "${file}")
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endforeach()
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endfunction()
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if (IMHEX_IDE_HELPERS_INTRUSIVE_IDE_TWEAKS)
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# See tweakTargetForIDESupport for rationale
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function(add_library target)
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_add_library(${target} ${ARGN})
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tweakTargetForIDESupport(${target})
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endfunction()
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function(add_executable target)
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_add_executable(${target} ${ARGN})
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tweakTargetForIDESupport(${target})
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endfunction()
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endif()
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# Adjust target's FOLDER property, which is an IDE only preference
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function(_tweakTarget target path)
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get_target_property(targetType ${target} TYPE)
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if (TARGET generator-${target})
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set_target_properties(generator-${target} PROPERTIES FOLDER "romfs/${target}")
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endif()
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if (TARGET romfs_file_packer-${target})
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set_target_properties(romfs_file_packer-${target} PROPERTIES FOLDER "romfs/${target}")
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endif()
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if (TARGET libromfs-${target})
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set_target_properties(libromfs-${target} PROPERTIES FOLDER "romfs/${target}")
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endif()
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if (${targetType} MATCHES "EXECUTABLE|LIBRARY")
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set_target_properties(${target} PROPERTIES FOLDER "${path}")
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endif()
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endfunction()
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macro(_tweakTargetsRecursive dir)
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get_property(subdirectories DIRECTORY ${dir} PROPERTY SUBDIRECTORIES)
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foreach(subdir IN LISTS subdirectories)
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_tweakTargetsRecursive("${subdir}")
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endforeach()
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if(${dir} STREQUAL ${CMAKE_SOURCE_DIR})
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return()
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endif()
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get_property(targets DIRECTORY "${dir}" PROPERTY BUILDSYSTEM_TARGETS)
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file(RELATIVE_PATH rdir ${CMAKE_SOURCE_DIR} "${dir}/..")
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foreach(target ${targets})
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_tweakTarget(${target} "${rdir}")
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endforeach()
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endmacro()
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# Tweak all targets this CMake build is aware about
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function(tweakTargetsForIDESupport)
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set_property(GLOBAL PROPERTY USE_FOLDERS ON)
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_tweakTargetsRecursive("${CMAKE_SOURCE_DIR}")
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endfunction()
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