thiago suggested to add an enum if the _automoc.cpp file is otherwise empty, so that the compiler cannot complain that the source file would be empty

svn path=/trunk/KDE/kdelibs/; revision=689197

1 files changed, 10 insertions, 6 deletions

diff --git a/automoc/kde4automoc.cpp b/automoc/kde4automoc.cpp
index 81075dec..f79c0ca8 100644
--- a/automoc/kde4automoc.cpp
+++ b/automoc/kde4automoc.cpp
@@ -234,12 +234,16 @@ bool AutoMoc::run()
     QTextStream outStream(&outfile);
     outStream << "/* This file is autogenerated, do not edit */\n";
 
-    // run moc on the remaining headers and include them in the _automoc.cpp file
-    end = notIncludedMocs.constEnd();
-    it = notIncludedMocs.constBegin();
-    for (; it != end; ++it) {
-        generateMoc(it.key(), it.value());
-        outStream << "#include \"" << it.value() << "\"\n";
+    if (notIncludedMocs.isEmpty()) {
+        outStream << "enum some_compilers { need_more_than_nothing };\n";
+    } else {
+        // run moc on the remaining headers and include them in the _automoc.cpp file
+        end = notIncludedMocs.constEnd();
+        it = notIncludedMocs.constBegin();
+        for (; it != end; ++it) {
+            generateMoc(it.key(), it.value());
+            outStream << "#include \"" << it.value() << "\"\n";
+        }
     }
     outfile.close();