File: Qt5CorePatches.cmake

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#=============================================================================
# Copyright 2005-2011 Kitware, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
#
# * Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
#
# * Neither the name of Kitware, Inc. nor the names of its
#   contributors may be used to endorse or promote products derived
#   from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#=============================================================================

#########################################################################
#
#       Patched versions of macros defined in Qt5CoreMacros.cmake
#
#########################################################################

# qt5_add_resources(outfiles inputfile ... )

function(QT5_ADD_RESOURCES outfiles )

    set(options)
    set(oneValueArgs)
    set(multiValueArgs OPTIONS DEPENDS)

    cmake_parse_arguments(_RCC "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})

    set(rcc_files ${_RCC_UNPARSED_ARGUMENTS})
    set(rcc_options ${_RCC_OPTIONS})

    foreach(it ${rcc_files})
        get_filename_component(outfilename ${it} NAME_WE)
        get_filename_component(infile ${it} ABSOLUTE)
        get_filename_component(rc_path ${infile} PATH)
        set(outfile ${CMAKE_CURRENT_BINARY_DIR}/qrc_${outfilename}.cpp)

        set(_RC_DEPENDS)
        if(EXISTS "${infile}")
            #  parse file for dependencies
            #  all files are absolute paths or relative to the location of the qrc file
            file(READ "${infile}" _RC_FILE_CONTENTS)
            string(REGEX MATCHALL "<file[^<]+" _RC_FILES "${_RC_FILE_CONTENTS}")
            foreach(_RC_FILE ${_RC_FILES})
                string(REGEX REPLACE "^<file[^>]*>" "" _RC_FILE "${_RC_FILE}")
                if(NOT IS_ABSOLUTE "${_RC_FILE}")
                    set(_RC_FILE "${rc_path}/${_RC_FILE}")
                endif()
                set(_RC_DEPENDS ${_RC_DEPENDS} "${_RC_FILE}")
            endforeach()
            # Since this cmake macro is doing the dependency scanning for these files,
            # let's make a configured file and add it as a dependency so cmake is run
            # again when dependencies need to be recomputed.
            qt5_make_output_file("${infile}" "" "qrc.depends" out_depends)
            configure_file("${infile}" "${out_depends}")
        else()
            # The .qrc file does not exist (yet). Let's add a dependency and hope
            # that it will be generated later
            set(out_depends)
        endif()

        add_custom_command(OUTPUT ${outfile}
                           COMMAND ${Qt5Core_RCC_EXECUTABLE}
                           ARGS ${rcc_options} -name ${outfilename} -o ${outfile} ${infile}
                           MAIN_DEPENDENCY ${infile}
                           DEPENDS ${_RC_DEPENDS} "${out_depends}" ${_RCC_DEPENDS} VERBATIM)
        list(APPEND ${outfiles} ${outfile})
    endforeach()
    set(${outfiles} ${${outfiles}} PARENT_SCOPE)
endfunction()