shiboken: Accept relative file name as C++ header

Relative file names cause Clang not to find them since they
are included by a temporary header file.

Check and convert to an absolute path via QFileInfo.

Change-Id: Ie87b4d2a6fcf5d98062a8a40a3eccbbb9513c62e
Reviewed-by: Cristian Maureira-Fredes <cristian.maureira-fredes@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

1 files changed, 7 insertions, 1 deletions

diff --git a/sources/shiboken2/generator/main.cpp b/sources/shiboken2/generator/main.cpp
index b787d9f7e..1447baf2e 100644
--- a/sources/shiboken2/generator/main.cpp
+++ b/sources/shiboken2/generator/main.cpp
@@ -544,6 +544,12 @@ int main(int argc, char *argv[])
     }
 
     QString cppFileName = argsHandler.removeArg(QLatin1String("arg-1"));
+    const QFileInfo cppFileNameFi(cppFileName);
+    if (!cppFileNameFi.isFile() && !cppFileNameFi.isSymLink()) {
+        errorPrint(QLatin1Char('"') + cppFileName + QLatin1String("\" does not exist."));
+        return EXIT_FAILURE;
+    }
+
     QString typeSystemFileName = argsHandler.removeArg(QLatin1String("arg-2"));
     QString messagePrefix = QFileInfo(typeSystemFileName).baseName();
     if (messagePrefix.startsWith(QLatin1String("typesystem_")))
@@ -579,7 +585,7 @@ int main(int argc, char *argv[])
         return EXIT_FAILURE;
     }
 
-    extractor.setCppFileName(cppFileName);
+    extractor.setCppFileName(cppFileNameFi.absoluteFilePath());
     extractor.setTypeSystem(typeSystemFileName);
     if (!extractor.run()) {
         errorPrint(QLatin1String("Error running ApiExtractor."));