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cmake: Make sure QT_SYNCQT is persisted

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Lifetime of the variable is bound to the function body. Use a CACHE
variable to escape it (and to speed up future calls to the function).

Change-Id: I2d164a1c94e64cc652e65c1eea0522f3d911ad82
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
This commit is contained in:
Kevin Funk 2019-02-12 22:39:35 +01:00
parent b2337e1d00
commit 0896e203d6
1 changed files with 9 additions and 7 deletions
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16
cmake/QtBuild.cmake
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@ -169,14 +169,16 @@ endfunction()
function(qt_ensure_sync_qt)
qt_ensure_perl()
if(NOT DEFINED QT_SYNCQT)
get_target_property(mocPath "${QT_CMAKE_EXPORT_NAMESPACE}::moc" LOCATION)
get_filename_component(binDirectory "${mocPath}" DIRECTORY)
# We could put this into the cache, but on the other hand there's no real need to
# pollute the app's cache with this. For the first qtbase build, the variable is
# set in global scope.
set(QT_SYNCQT "${binDirectory}/syncqt.pl")
if(DEFINED QT_SYNCQT)
return()
endif()
get_target_property(mocPath "${QT_CMAKE_EXPORT_NAMESPACE}::moc" LOCATION)
get_filename_component(binDirectory "${mocPath}" DIRECTORY)
# We could put this into the cache, but on the other hand there's no real need to
# pollute the app's cache with this. For the first qtbase build, the variable is
# set in global scope.
set(QT_SYNCQT "${binDirectory}/syncqt.pl" CACHE FILEPATH "syncqt script")
endfunction()
# A version of cmake_parse_arguments that makes sure all arguments are processed and errors out