Ensure qmake does not lose the error code when going over the subdirs

When qmake was ran with -r over a subdirs project then it would lose the
error code if a later project succeeded.

This is a refix of the previous revert which has been confirmed to work
all over the place now.

Reviewed-by: Marius Storm-Olsen

1 files changed, 5 insertions, 1 deletions

diff --git a/qmake/main.cpp b/qmake/main.cpp
index 73fdda9f71..a0346c524b 100644
--- a/qmake/main.cpp
+++ b/qmake/main.cpp
@@ -168,7 +168,11 @@ int runQMake(int argc, char **argv)
                 continue;
         }
 
-        MetaMakefileGenerator *mkfile = MetaMakefileGenerator::createMetaGenerator(&project, QString(), false);
+        bool success = true;
+        MetaMakefileGenerator *mkfile = MetaMakefileGenerator::createMetaGenerator(&project, QString(), false, &success);
+        if (!success)
+            exit_val = 3;
+
         if(mkfile && !mkfile->write(oldpwd)) {
             if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
                 fprintf(stderr, "Unable to generate project file.\n");