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-rw-r--r--mkspecs/features/default_pre.prf18
1 files changed, 13 insertions, 5 deletions
diff --git a/mkspecs/features/default_pre.prf b/mkspecs/features/default_pre.prf
index c91d543d6c..ebb94e272e 100644
--- a/mkspecs/features/default_pre.prf
+++ b/mkspecs/features/default_pre.prf
@@ -12,13 +12,21 @@ exists($$_PRO_FILE_PWD_/sync.profile) {
isEmpty(QTDIR) {
QTDIR = $$(QTDIR)
isEmpty(QTDIR):QTDIR = $$QT_BUILD_TREE
+ isEmpty(QTDIR) { # figure out QTDIR based on qmake binary
+ QMAKE_BASED_QTDIR = $$dirname(QMAKE_QMAKE)
+ QTDIR = $$dirname(QMAKE_BASED_QTDIR)
+ unset(QMAKE_BASED_QTDIR)
+ }
}
- QTFWD =
- isEmpty(QTDIR) {
- QTFWD += -module-fwd $$OUT_PWD/module-paths/modules -cache-module-fwd
- } else {
- QTFWD += -qtdir $$QTDIR -module-fwd $$QTDIR/mkspecs/modules -developer-build
+ QTFWD = -module-fwd $$OUT_PWD/module-paths/modules -cache-module-fwd
+ !isEmpty(QTDIR) {
+ # Only if QTDIR points to an actual build directory
+ # and this build directory is the install directory
+ # can we tell syncqt to do a -developer-build
+ exists($$QTDIR/.qmake.cache):contains(QTDIR, $$[QT_INSTALL_PREFIX]) {
+ QTFWD = -qtdir $$QTDIR -module-fwd $$QTDIR/mkspecs/modules -developer-build
+ }
}
qtPrepareTool(QMAKE_SYNCQT, syncqt)