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ImHex/cmake/modules/PostprocessBundle.cmake
2024-03-22 22:18:18 +01:00

78 lines
3.5 KiB
CMake

# Adapted from the Dolphin project: https://dolphin-emu.org/
# This module can be used in two different ways.
#
# When invoked as `cmake -P PostprocessBundle.cmake`, it fixes up an
# application folder to be standalone. It bundles all required libraries from
# the system and fixes up library IDs. Any additional shared libraries, like
# plugins, that are found under Contents/MacOS/ will be made standalone as well.
#
# When called with `include(PostprocessBundle)`, it defines a helper
# function `postprocess_bundle` that sets up the command form of the
# module as a post-build step.
if(CMAKE_GENERATOR)
# Being called as include(PostprocessBundle), so define a helper function.
set(_POSTPROCESS_BUNDLE_MODULE_LOCATION "${CMAKE_CURRENT_LIST_FILE}")
function(postprocess_bundle out_target in_target)
install(CODE "set(BUNDLE_PATH ${CMAKE_INSTALL_PREFIX}/${BUNDLE_NAME})")
install(CODE "set(CODE_SIGN_CERTIFICATE_ID ${CODE_SIGN_CERTIFICATE_ID})")
install(CODE "set(EXTRA_BUNDLE_LIBRARY_PATHS ${EXTRA_BUNDLE_LIBRARY_PATHS})")
install(SCRIPT ${_POSTPROCESS_BUNDLE_MODULE_LOCATION})
endfunction()
return()
endif()
# IMHEX PATCH BEGIN
# The function defined above doesn't keep in mind that if we are cross-compiling to MacOS, APPLE must be 1,
# so we force it here (where else would this script be run anyway ? This seems to be MacOS-specific code)
SET(APPLE 1)
# IMHEX PATCHE END
get_filename_component(BUNDLE_PATH "${BUNDLE_PATH}" ABSOLUTE)
message(STATUS "Fixing up application bundle: ${BUNDLE_PATH}")
# Make sure to fix up any included ImHex plugin.
file(GLOB_RECURSE plugins "${BUNDLE_PATH}/Contents/MacOS/plugins/*.hexplug")
# BundleUtilities doesn't support DYLD_FALLBACK_LIBRARY_PATH behavior, which
# makes it sometimes break on libraries that do weird things with @rpath. Specify
# equivalent search directories until https://gitlab.kitware.com/cmake/cmake/issues/16625
# is fixed and in our minimum CMake version.
set(extra_dirs "/usr/local/lib" "/lib" "/usr/lib" ${EXTRA_BUNDLE_LIBRARY_PATHS} "${BUNDLE_PATH}/Contents/MacOS/plugins" "${BUNDLE_PATH}/Contents/Frameworks")
message(STATUS "Fixing up application bundle: ${extra_dirs}")
# BundleUtilities is overly verbose, so disable most of its messages
#function(message)
# if(NOT ARGV MATCHES "^STATUS;")
# _message(${ARGV})
# endif()
#endfunction()
include(BundleUtilities)
set(BU_CHMOD_BUNDLE_ITEMS ON)
fixup_bundle("${BUNDLE_PATH}" "${plugins}" "${extra_dirs}")
if (CODE_SIGN_CERTIFICATE_ID)
# Hack around Apple Silicon signing bugs by copying the real app, signing it and moving it back.
# IMPORTANT: DON'T USE ${CMAKE_COMMAND} -E copy_directory HERE (this follow symbolic links).
execute_process(COMMAND cp -R "${BUNDLE_PATH}" "${BUNDLE_PATH}.temp")
execute_process(COMMAND codesign --deep --force --sign "${CODE_SIGN_CERTIFICATE_ID}" "${BUNDLE_PATH}.temp")
execute_process(COMMAND ${CMAKE_COMMAND} -E remove_directory "${BUNDLE_PATH}")
execute_process(COMMAND ${CMAKE_COMMAND} -E rename "${BUNDLE_PATH}.temp" "${BUNDLE_PATH}")
endif()
# Add a necessary rpath to the imhex binary
get_bundle_main_executable("${BUNDLE_PATH}" IMHEX_EXECUTABLE)
file(GLOB_RECURSE plugin_libs "${BUNDLE_PATH}/Contents/MacOS/*.hexpluglib")
foreach(plugin_lib ${plugin_libs})
get_filename_component(plugin_lib_name ${plugin_lib} NAME)
set(plugin_lib_dest "${BUNDLE_PATH}/Contents/MacOS/plugins/${plugin_lib_name}")
configure_file(${plugin_lib} "${plugin_lib_dest}" COPYONLY)
message(STATUS "Copying plugin library: ${plugin_lib} to ${plugin_lib_dest}")
endforeach ()