cmake/modules/KPropertyQueryQmake.cmake

0001 # Copied from ECM 5.28.0, ECMQueryQmake.cmake
0002
0003 # Redistribution and use in source and binary forms, with or without
0004 # modification, are permitted provided that the following conditions
0005 # are met:
0006 #
0007 # 1. Redistributions of source code must retain the copyright
0008 #    notice, this list of conditions and the following disclaimer.
0009 # 2. Redistributions in binary form must reproduce the copyright
0010 #    notice, this list of conditions and the following disclaimer in the
0011 #    documentation and/or other materials provided with the distribution.
0012 # 3. The name of the author may not be used to endorse or promote products
0013 #    derived from this software without specific prior written permission.
0014 #
0015 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
0016 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
0017 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
0018 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
0019 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
0020 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
0021 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
0022 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
0023 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
0024 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0025
0026 find_package(Qt5Core QUIET)
0027
0028 if (Qt5Core_FOUND)
0029     set(_qmake_executable_default "qmake-qt5")
0030 endif ()
0031 if (TARGET Qt5::qmake)
0032     get_target_property(_qmake_executable_default Qt5::qmake LOCATION)
0033 endif()
0034 set(QMAKE_EXECUTABLE ${_qmake_executable_default}
0035     CACHE FILEPATH "Location of the Qt5 qmake executable")
0036
0037 # This is not public API (yet)!
0038 function(query_qmake result_variable qt_variable)
0039     if(NOT QMAKE_EXECUTABLE)
0040         set(${result_variable} "" PARENT_SCOPE)
0041         message(WARNING "Should specify a qmake Qt5 binary. Can't check ${qt_variable}")
0042         return()
0043     endif()
0044     execute_process(
0045         COMMAND ${QMAKE_EXECUTABLE} -query "${qt_variable}"
0046         RESULT_VARIABLE return_code
0047         OUTPUT_VARIABLE output
0048     )
0049     if(return_code EQUAL 0)
0050         string(STRIP "${output}" output)
0051         file(TO_CMAKE_PATH "${output}" output_path)
0052         set(${result_variable} "${output_path}" PARENT_SCOPE)
0053     else()
0054         message(WARNING "Failed call: ${QMAKE_EXECUTABLE} -query \"${qt_variable}\"")
0055         message(FATAL_ERROR "QMake call failed: ${return_code}")
0056     endif()
0057 endfunction()