Copy a file to build directory after compiling project with Qt

Question

I have seen several suggestions, but nothing really worked for me as I want. I just need to copy a file to the desired destination directory.

Say, for example from t

Answer 1

This in a modified variant of PKSWE's method.

dummyTarget.commands = @echo After building copy..
QMAKE_EXTRA_TARGETS += dummyTarget
PRE_TARGETDEPS += dummyTarget

toolsCopy.commands = $(COPY_DIR) $$shell_path($$PWD/copyDir/*) $$shell_path($$DESTDIR)
dummyTarget.depends += toolsCopy
QMAKE_EXTRA_TARGETS += toolsCopy

toolsCopyLib.commands = $(COPY_FILE) $$shell_path($$PWD/setting.ini) $$shell_path($${DESTDIR})
dummyTarget.depends += toolsCopyLib
QMAKE_EXTRA_TARGETS += toolsCopyLib

But, I have an other question, how to copy if changed? Since it takes too much time when it doesn't need to copy.