qt5base-lts/mkspecs/features/uic.prf

qtPrepareTool(QMAKE_UIC, uic)

isEmpty(UI_DIR):UI_DIR = .
isEmpty(QMAKE_MOD_UIC):QMAKE_MOD_UIC = ui_

uic.commands = $$QMAKE_UIC ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
uic.depend_command = "$$QMAKE_UIC" -d "${QMAKE_FILE_IN}"
uic.output = $$UI_DIR/$${QMAKE_MOD_UIC}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_H)}
uic.input = FORMS
uic.variable_out = GENERATED_FILES
uic.CONFIG += no_link target_predeps
uic.name = UIC ${QMAKE_FILE_IN}
silent:uic.commands = @echo uic ${QMAKE_FILE_IN} && $$uic.commands
QMAKE_EXTRA_COMPILERS += uic
INCREDIBUILD_XGE += uic

!isEmpty(FORMS) {
    ui_dir_short = $$UI_DIR
    contains(QMAKE_HOST.os,Windows):ui_dir_short ~= s,^.:,/,
    contains(ui_dir_short, ^[/\\\\].*):INCLUDEPATH += $$UI_DIR
    else:INCLUDEPATH += $$OUT_PWD/$$UI_DIR
}