Working directory for libclang set to default build path. Fixes relative include paths in compile_commands.json, see #177

src/project_build.cc

@@ -10,6 +10,9 @@ std::unique_ptr<Project::Build> Project::get_build(const boost::filesystem::path
 }
 
 boost::filesystem::path Project::Build::get_default_build_path() {
+  if(project_path.empty())
+    return boost::filesystem::path();
+    
   boost::filesystem::path default_build_path=Config::get().project.default_build_path;
   
   const std::string path_variable_project_directory_name="<project_directory_name>";
@@ -30,6 +33,9 @@ boost::filesystem::path Project::Build::get_default_build_path() {
 }
 
 boost::filesystem::path Project::Build::get_debug_build_path() {
+  if(project_path.empty())
+    return boost::filesystem::path();
+  
   boost::filesystem::path debug_build_path=Config::get().project.debug_build_path;
   
   const std::string path_variable_project_directory_name="<project_directory_name>";

src/source_clang.cc

@@ -178,8 +178,9 @@ void Source::ClangViewParse::soft_reparse() {
 
 std::vector<std::string> Source::ClangViewParse::get_compilation_commands() {
   auto build=Project::get_build(file_path);
+  auto default_build_path=build->get_default_build_path();
   build->update_default_build();
-  clang::CompilationDatabase db(build->get_default_build_path().string());
+  clang::CompilationDatabase db(default_build_path.string());
   clang::CompileCommands commands(file_path.string(), db);
   std::vector<clang::CompileCommand> cmds = commands.get_commands();
   std::vector<std::string> arguments;
@@ -209,6 +210,11 @@ std::vector<std::string> Source::ClangViewParse::get_compilation_commands() {
   if(file_path.extension()==".h") //TODO: temporary fix for .h-files (parse as c++)
     arguments.emplace_back("-xc++");
 
+  if(!default_build_path.empty()) {
+    arguments.emplace_back("-working-directory");
+    arguments.emplace_back(default_build_path.string());
+  }
+
   return arguments;
 }