Clang: Save compilation database to the build directory

For example CMake puts compile_commands.json into the build
directory and it makes sense because it uses some target-specific
command line options.

Change-Id: I92a5b391f35e3f75bbcf41b8efff448f197895bb
Reviewed-by: Marco Bubke <[email protected]>
Reviewed-by: Alessandro Portale <[email protected]>
Reviewed-by: Christian Kandeler <[email protected]>

1 files changed, 4 insertions, 5 deletions

diff --git a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
index 11de94c3951..a4a1591cf47 100644
--- a/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
+++ b/src/plugins/clangcodemodel/clangcodemodelplugin.cpp
@@ -68,13 +68,12 @@ void ClangCodeModelPlugin::generateCompilationDB() {
     using namespace CppTools;
 
     ProjectExplorer::Project *project = ProjectExplorer::SessionManager::startupProject();
-    if (!project)
+    if (!project || !project->activeTarget())
         return;
 
-    m_generatorWatcher.setFuture(QtConcurrent::run(
-                                     &Utils::generateCompilationDB,
-                                     project->projectDirectory(),
-                                     CppModelManager::instance()->projectInfo(project)));
+    m_generatorWatcher.setFuture(
+        QtConcurrent::run(&Utils::generateCompilationDB,
+                          CppModelManager::instance()->projectInfo(project)));
 }
 
 static bool isDBGenerationEnabled(ProjectExplorer::Project *project)