citra-canary/CMakeModules/BundleLibraries.cmake

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# Bundles libraries with an output executable.
# Parameters:
# - TYPE: "qt" or "standalone". The type of app to bundle.
# - "qt" uses windeployqt/macdeployqt to bundle Qt and other libraries.
# - "standalone" copies dependent libraries to a "libs" folder alongside the executable file.
# - EXECUTABLE_PATH: Path to the executable binary.
# TODO: This does not really work fully for Windows yet, some libraries are missing from the output.
# TODO: Leaving a basic framework of Windows support here to be iterated on in the future.
if (WIN32)
message(FATAL_ERROR "Advanced library bundling is not yet supported for Windows.")
endif()
if ("${TYPE}" STREQUAL "qt")
get_filename_component(executable_dir ${EXECUTABLE_PATH} DIRECTORY)
# Bundle dependencies using appropriate Qt tool.
if (WIN32)
find_program(WINDEPLOYQT_EXECUTABLE windeployqt)
execute_process(COMMAND ${WINDEPLOYQT_EXECUTABLE} ${EXECUTABLE_PATH}
--no-compiler-runtime --no-system-d3d-compiler --no-opengl-sw --no-translations
--plugindir "${executable_dir}/plugins")
elseif (APPLE)
get_filename_component(contents_dir ${executable_dir} DIRECTORY)
get_filename_component(bundle_dir ${contents_dir} DIRECTORY)
find_program(MACDEPLOYQT_EXECUTABLE macdeployqt)
execute_process(COMMAND ${MACDEPLOYQT_EXECUTABLE} ${bundle_dir} -executable=${EXECUTABLE_PATH} -always-overwrite)
else()
message(FATAL_ERROR "Unsupported OS for Qt-based library bundling.")
endif()
else()
# Resolve dependent library files.
file(GET_RUNTIME_DEPENDENCIES
EXECUTABLES ${EXECUTABLE_PATH}
RESOLVED_DEPENDENCIES_VAR resolved_deps
UNRESOLVED_DEPENDENCIES_VAR unresolved_deps
POST_EXCLUDE_REGEXES ".*system32/.*\\.dll")
# Determine libraries directory.
get_filename_component(executable_dir ${EXECUTABLE_PATH} DIRECTORY)
if (WIN32)
# Same directory since we don't have rpath.
set(lib_dir ${executable_dir})
else()
set(lib_dir ${executable_dir}/libs)
endif()
# Copy library files to bundled output.
file(MAKE_DIRECTORY ${lib_dir})
foreach (lib_file ${resolved_deps})
# Use native copy to turn symlinks into normal files.
execute_process(COMMAND cp -L ${lib_file} ${lib_dir})
endforeach()
# Add libs directory to executable rpath where applicable.
if (APPLE)
execute_process(COMMAND install_name_tool -add_rpath "@loader_path/libs" ${EXECUTABLE_PATH})
elseif (UNIX)
execute_process(COMMAND patchelf --set-rpath '$ORIGIN/../libs' ${EXECUTABLE_PATH})
endif()
endif()