How to detect shadow building in qmake?

[Fazer]

I wrote this code to detect if shadow building is enabled - and when it is, copy some files to the output directory. It works, but...

... it always thinks the shadow building is enabled, even when I build in the same directory as my project. I believe the problem lies within contains() function, which always invokes code inside its scope.

Here's the revelant code in my .pro file:

# if shadow building is enabled
!contains($${PWD}, $${OUT_PWD}) {
 
    # copy files from the current directory to the output directory
 
    # some stuff
}

# if shadow building is enabled
!contains($${PWD}, $${OUT_PWD}) {

    # copy files from the current directory to the output directory

    # some stuff
}

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Maybe there is a better way of detecting shadow building and moving necessary files? I don't want to use INSTALLS because it's supposed to install the app on one's system, not to help developing.


And here is the real code if anyone is interested in how the copying of files is done (currently adjusted for Windows):

# compile translations
QMAKE_POST_LINK += lrelease $$_PRO_FILE_
 
# if shadow building is enabled
!contains($${PWD}, $${OUT_PWD}) {
 
    # copy files from the current directory to the output directory
    win32 {
        CHECK_DIR_EXIST = if exist
        MAKE_DIR = mkdir
        COPY = copy /y
    }
 
    # specify files for copying
    COMPILED_TRANSLATIONS_SOURCE = $${PWD}/translations/$${TARGET}_pl_PL.qm
    COMPILED_TRANSLATIONS_DEST = $${OUT_PWD}/translations
 
    # replace '/' with '\' in Windows paths
    win32 {
        COMPILED_TRANSLATIONS_SOURCE = $${replace(COMPILED_TRANSLATIONS_SOURCE, /, \)}
        COMPILED_TRANSLATIONS_DEST = $${replace(COMPILED_TRANSLATIONS_DEST, /, \)}
    }
 
    CHECK_COMPILED_TRANSLATIONS_DEST_DIR_EXIST = $$CHECK_DIR_EXIST $$COMPILED_TRANSLATIONS_DEST
    MAKE_COMPILED_TRANSLATIONS_DEST_DIR = $$MAKE_DIR $$COMPILED_TRANSLATIONS_DEST
    COPY_COMPILED_TRANSLATIONS = $$COPY $$COMPILED_TRANSLATIONS_SOURCE $$COMPILED_TRANSLATIONS_DEST
 
    QMAKE_POST_LINK += && $$CHECK_COMPILED_TRANSLATIONS_DEST_DIR_EXIST \
                       ($$COPY_COMPILED_TRANSLATIONS) else \
                       ($$MAKE_COMPILED_TRANSLATIONS_DEST_DIR && $$COPY_COMPILED_TRANSLATIONS)
}

# compile translations
QMAKE_POST_LINK += lrelease $$_PRO_FILE_

# if shadow building is enabled
!contains($${PWD}, $${OUT_PWD}) {

    # copy files from the current directory to the output directory
    win32 {
        CHECK_DIR_EXIST = if exist
        MAKE_DIR = mkdir
        COPY = copy /y
    }

    # specify files for copying
    COMPILED_TRANSLATIONS_SOURCE = $${PWD}/translations/$${TARGET}_pl_PL.qm
    COMPILED_TRANSLATIONS_DEST = $${OUT_PWD}/translations

    # replace '/' with '\' in Windows paths
    win32 {
        COMPILED_TRANSLATIONS_SOURCE = $${replace(COMPILED_TRANSLATIONS_SOURCE, /, \)}
        COMPILED_TRANSLATIONS_DEST = $${replace(COMPILED_TRANSLATIONS_DEST, /, \)}
    }

    CHECK_COMPILED_TRANSLATIONS_DEST_DIR_EXIST = $$CHECK_DIR_EXIST $$COMPILED_TRANSLATIONS_DEST
    MAKE_COMPILED_TRANSLATIONS_DEST_DIR = $$MAKE_DIR $$COMPILED_TRANSLATIONS_DEST
    COPY_COMPILED_TRANSLATIONS = $$COPY $$COMPILED_TRANSLATIONS_SOURCE $$COMPILED_TRANSLATIONS_DEST

    QMAKE_POST_LINK += && $$CHECK_COMPILED_TRANSLATIONS_DEST_DIR_EXIST \
                       ($$COPY_COMPILED_TRANSLATIONS) else \
                       ($$MAKE_COMPILED_TRANSLATIONS_DEST_DIR && $$COPY_COMPILED_TRANSLATIONS)
}

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[Fazer]

I solved the issue by using

!equals(PWD, $${OUT_PWD}) {
# code when paths are not equal
}

!equals(PWD, $${OUT_PWD}) {
# code when paths are not equal
}

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