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find_package(Qt5Core QUIET)
if (Qt5Core_FOUND)
set(_qmake_executable_default "qmake-qt5")
endif ()
if (TARGET Qt5::qmake)
get_target_property(_qmake_executable_default Qt5::qmake LOCATION)
endif()
set(QMAKE_EXECUTABLE ${_qmake_executable_default}
CACHE FILEPATH "Location of the Qt5 qmake executable")
# This is not public API (yet)!
function(query_qmake result_variable qt_variable)
if(NOT QMAKE_EXECUTABLE)
set(${result_variable} "" PARENT_SCOPE)
message(WARNING "Should specify a qmake Qt5 binary. Can't check ${qt_variable}")
return()
endif()
execute_process(
COMMAND ${QMAKE_EXECUTABLE} -query "${qt_variable}"
RESULT_VARIABLE return_code
OUTPUT_VARIABLE output
)
if(return_code EQUAL 0)
string(STRIP "${output}" output)
file(TO_CMAKE_PATH "${output}" output_path)
set(${result_variable} "${output_path}" PARENT_SCOPE)
else()
message(WARNING "Failed call: ${QMAKE_EXECUTABLE} -query \"${qt_variable}\"")
message(FATAL_ERROR "QMake call failed: ${return_code}")
endif()
endfunction()
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