Fix frontend showing 2 errors on engine fatal error (exit code 52)
The exit code checked in the frontend was a hardcoded 2, which was outdated.
# check for a well known-framework
execute_process(COMMAND stat ${frameworks_dir}/QtCore.framework RESULT_VARIABLE doBundle OUTPUT_QUIET ERROR_QUIET)
# prepare Frameworks directory
execute_process(COMMAND mkdir -p ${frameworks_dir})
# macdeployqt will convert safely any absolute path library for 'hedgewars'
execute_process(COMMAND ${macdeployqt_executable} ${CMAKE_BINARY_DIR}/Hedgewars.app OUTPUT_QUIET ERROR_QUIET)
# but macdeployqt will not work for a second executable, so employ this series of ridiculous commands to work around it
execute_process(COMMAND mv ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/hedgewars ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/tmp)
execute_process(COMMAND mv ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/hwengine ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/hedgewars)
execute_process(COMMAND ${macdeployqt_executable} ${CMAKE_BINARY_DIR}/Hedgewars.app OUTPUT_QUIET ERROR_QUIET)
execute_process(COMMAND mv ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/hedgewars ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/hwengine)
execute_process(COMMAND mv ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/tmp ${CMAKE_BINARY_DIR}/Hedgewars.app/Contents/MacOS/hedgewars)
if(doBundle EQUAL 1)
if(${SPARKLE_FOUND})
execute_process(COMMAND cp -pPR ${SPARKLE_LIBRARY} ${frameworks_dir})
endif()
message(STATUS "Frameworks and libraries successfully copied...")
else()
message(STATUS "Frameworks already present, skipping...")
endif()