Attempt to obey pre-existing RPATHs, #52

Author: probonopd

shared/shared.cpp

@@ -752,10 +752,12 @@ void changeIdentification(const QString &id, const QString &binaryPath)
     	// FIXME: Split along ":" characters, check each one, only append to LD_LIBRARY_PATH if not already there
     	QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
     	QString oldPath = env.value("LD_LIBRARY_PATH");
-    	QString newPath = oldRpath + ":" + oldPath; // FIXME: If we use a ldd replacement, we still need to observe this path
-    	// FIXME: Directory layout might be different for system Qt; cannot assume lib/ to always be inside the Qt directory
-    	LogDebug() << "Added to LD_LIBRARY_PATH:" << newPath;
-    	setenv("LD_LIBRARY_PATH",newPath.toUtf8().constData(),1);
+    	if (not oldPath.contains(oldRpath)){
+        	QString newPath = oldRpath + ":" + oldPath; // FIXME: If we use a ldd replacement, we still need to observe this path
+        	// FIXME: Directory layout might be different for system Qt; cannot assume lib/ to always be inside the Qt directory
+        	LogDebug() << "Added to LD_LIBRARY_PATH:" << newPath;
+        	setenv("LD_LIBRARY_PATH",newPath.toUtf8().constData(),1);    	    
+    	}
     }
     LogNormal() << "Changing rpath in" << binaryPath << "to" << id;
     runPatchelf(QStringList() << "--set-rpath" << id << binaryPath);