diff --git a/src/cmake.cc b/src/cmake.cc
index c24ffb5..cff8f1b 100644
--- a/src/cmake.cc
+++ b/src/cmake.cc
@@ -7,12 +7,7 @@
 
 std::unordered_set<std::string> CMake::debug_build_needed;
 
-CMake::CMake(const boost::filesystem::path &path, bool find_project_root_path) {
-  if(!find_project_root_path) {
-    project_path=path;
-    return;
-  }
-  
+CMake::CMake(const boost::filesystem::path &path) {
   const auto find_cmake_project=[this](const boost::filesystem::path &cmake_path) {
     for(auto &line: filesystem::read_lines(cmake_path)) {
       const boost::regex project_regex("^ *project *\\(.*$");
@@ -40,7 +35,7 @@ CMake::CMake(const boost::filesystem::path &path, bool find_project_root_path) {
   }
 }
 
-boost::filesystem::path CMake::get_default_build_path() {
+boost::filesystem::path CMake::get_default_build_path(const boost::filesystem::path &project_path) {
   boost::filesystem::path default_build_path=Config::get().project.default_build_path;
   
   const std::string path_variable_project_directory_name="<project_directory_name>";
@@ -60,7 +55,7 @@ boost::filesystem::path CMake::get_default_build_path() {
   return default_build_path;
 }
 
-boost::filesystem::path CMake::get_debug_build_path() {
+boost::filesystem::path CMake::get_debug_build_path(const boost::filesystem::path &project_path) {
   boost::filesystem::path debug_build_path=Config::get().project.debug_build_path;
   
   const std::string path_variable_project_directory_name="<project_directory_name>";
@@ -91,14 +86,14 @@ boost::filesystem::path CMake::get_debug_build_path() {
   return debug_build_path;
 }
 
-bool CMake::create_default_build(bool force) {
+bool CMake::create_default_build(const boost::filesystem::path &project_path, bool force) {
   if(project_path.empty())
     return false;
   
   if(!boost::filesystem::exists(project_path/"CMakeLists.txt"))
     return false;
   
-  auto default_build_path=get_default_build_path();
+  auto default_build_path=get_default_build_path(project_path);
   if(default_build_path.empty())
     return false;
   if(!boost::filesystem::exists(default_build_path)) {
@@ -140,14 +135,14 @@ bool CMake::create_default_build(bool force) {
   return false;
 }
 
-bool CMake::create_debug_build() {
+bool CMake::create_debug_build(const boost::filesystem::path &project_path) {
   if(project_path.empty())
     return false;
   
   if(!boost::filesystem::exists(project_path/"CMakeLists.txt"))
     return false;
   
-  auto debug_build_path=get_debug_build_path();
+  auto debug_build_path=get_debug_build_path(project_path);
   if(debug_build_path.empty())
     return false;
   if(!boost::filesystem::exists(debug_build_path)) {
diff --git a/src/cmake.h b/src/cmake.h
index dc665b5..bfa463b 100644
--- a/src/cmake.h
+++ b/src/cmake.h
@@ -7,14 +7,14 @@
 
 class CMake {
 public:
-  CMake(const boost::filesystem::path &path, bool find_project_root_path=false);
+  CMake(const boost::filesystem::path &path);
   boost::filesystem::path project_path;
   std::vector<boost::filesystem::path> paths;
   
-  boost::filesystem::path get_default_build_path();
-  boost::filesystem::path get_debug_build_path();
-  bool create_default_build(bool force=false);
-  bool create_debug_build();
+  static boost::filesystem::path get_default_build_path(const boost::filesystem::path &project_path);
+  static boost::filesystem::path get_debug_build_path(const boost::filesystem::path &project_path);
+  static bool create_default_build(const boost::filesystem::path &project_path, bool force=false);
+  static bool create_debug_build(const boost::filesystem::path &project_path);
   
   boost::filesystem::path get_executable(const boost::filesystem::path &file_path);
   
diff --git a/src/directories.cc b/src/directories.cc
index 6b51587..be1d779 100644
--- a/src/directories.cc
+++ b/src/directories.cc
@@ -3,7 +3,6 @@
 #include <algorithm>
 #include <unordered_set>
 #include "source.h"
-#include "cmake.h"
 
 #include <iostream> //TODO: remove
 using namespace std; //TODO: remove
@@ -131,13 +130,12 @@ void Directories::open(const boost::filesystem::path& dir_path) {
   last_write_times.clear();
   update_paths.clear();
   update_mutex.unlock();
-  
-  auto cmake=CMake(dir_path, true);
-  cmake.create_default_build();
-  project_path=cmake.project_path;
-  auto project_name=cmake.get_functions_parameters("project");
-  if(project_name.size()>0 && project_name[0].second.size()>0) {
-    auto title=project_name[0].second[0];
+    
+  cmake=std::unique_ptr<CMake>(new CMake(dir_path));
+  CMake::create_default_build(cmake->project_path);
+  auto project=cmake->get_functions_parameters("project");
+  if(project.size()>0 && project[0].second.size()>0) {
+    auto title=project[0].second[0];
     //TODO: report that set_title does not handle '_' correctly?
     size_t pos=0;
     while((pos=title.find('_', pos))!=std::string::npos) {
diff --git a/src/directories.h b/src/directories.h
index e91b6c6..5e5e374 100644
--- a/src/directories.h
+++ b/src/directories.h
@@ -5,11 +5,11 @@
 #include <vector>
 #include <string>
 #include "boost/filesystem.hpp"
+#include "cmake.h"
 #include <thread>
 #include <mutex>
 #include <atomic>
 #include "dispatcher.h"
-#include <unordered_map>
 
 class Directories : public Gtk::TreeView {
 public:
@@ -40,9 +40,8 @@ public:
   void select(const boost::filesystem::path &path);
   
   std::function<void(const boost::filesystem::path &path)> on_row_activated;
-  
+  std::unique_ptr<CMake> cmake;
   boost::filesystem::path current_path;
-  boost::filesystem::path project_path;
   
 private:
   void add_path(const boost::filesystem::path& dir_path, const Gtk::TreeModel::Row &row);
diff --git a/src/notebook.cc b/src/notebook.cc
index 9545c11..f973961 100644
--- a/src/notebook.cc
+++ b/src/notebook.cc
@@ -99,18 +99,18 @@ void Notebook::open(const boost::filesystem::path &file_path) {
   auto language=Source::guess_language(file_path);
   boost::filesystem::path project_path;
   auto &directories=Directories::get();
-  if(!directories.project_path.empty() && file_path.generic_string().substr(0, directories.project_path.generic_string().size()+1)==directories.project_path.generic_string()+'/')
-    project_path=directories.project_path;
+  if(directories.cmake && directories.cmake->project_path!="" && file_path.generic_string().substr(0, directories.cmake->project_path.generic_string().size()+1)==directories.cmake->project_path.generic_string()+'/')
+    project_path=directories.cmake->project_path;
   else {
     project_path=file_path.parent_path();
-    CMake cmake(project_path, true);
+    CMake cmake(project_path);
     if(cmake.project_path!="") {
       project_path=cmake.project_path;
       Terminal::get().print("Project path for "+file_path.string()+" set to "+project_path.string()+"\n");
     }
   }
   if(language && (language->get_id()=="chdr" || language->get_id()=="cpphdr" || language->get_id()=="c" || language->get_id()=="cpp" || language->get_id()=="objc")) {
-    CMake(project_path).create_default_build();
+    CMake::create_default_build(project_path);
     source_views.emplace_back(new Source::ClangView(file_path, project_path, language));
   }
   else
@@ -249,19 +249,19 @@ bool Notebook::save(int page) {
       boost::filesystem::path project_path;
       if(view->file_path.filename()=="CMakeLists.txt") {
         auto &directories=Directories::get();
-        if(!directories.project_path.empty() && view->file_path.generic_string().substr(0, directories.project_path.generic_string().size()+1)==directories.project_path.generic_string()+'/') {
-          if(CMake(directories.project_path).create_default_build(true))
-            project_path=directories.project_path;
+        if(directories.cmake && directories.cmake->project_path!="" && view->file_path.generic_string().substr(0, directories.cmake->project_path.generic_string().size()+1)==directories.cmake->project_path.generic_string()+'/') {
+          if(CMake::create_default_build(directories.cmake->project_path, true))
+            project_path=directories.cmake->project_path;
         }
         else {
-          CMake cmake(view->file_path.parent_path(), true);
-          if(cmake.create_default_build(true))
+          CMake cmake(view->file_path.parent_path());
+          if(CMake::create_default_build(cmake.project_path, true))
             project_path=cmake.project_path;
         }
         if(project_path!="") {
-          auto debug_project_path=CMake(project_path).get_debug_build_path();
+          auto debug_project_path=CMake::get_debug_build_path(project_path);
           if(!debug_project_path.empty() && boost::filesystem::exists(debug_project_path))
-            CMake(project_path).create_debug_build();
+            CMake::create_debug_build(project_path);
           for(auto source_view: source_views) {
             if(auto source_clang_view=dynamic_cast<Source::ClangView*>(source_view)) {
               if(project_path==source_clang_view->project_path)
diff --git a/src/project.cc b/src/project.cc
index 1e1601d..0fc11b4 100644
--- a/src/project.cc
+++ b/src/project.cc
@@ -82,10 +82,10 @@ std::unique_ptr<CMake> Project::Clang::get_cmake() {
     path=Directories::get().current_path;
   if(path.empty())
     return nullptr;
-  auto cmake=std::unique_ptr<CMake>(new CMake(path, true));
+  auto cmake=std::unique_ptr<CMake>(new CMake(path));
   if(cmake->project_path.empty())
     return nullptr;
-  if(!cmake->create_default_build())
+  if(!CMake::create_default_build(cmake->project_path))
     return nullptr;
   return cmake;
 }
@@ -96,7 +96,7 @@ std::pair<std::string, std::string> Project::Clang::get_run_arguments() {
     return {"", ""};
   
   auto project_path=cmake->project_path.string();
-  auto run_arguments_it=run_arguments.find(cmake->project_path.string());
+  auto run_arguments_it=run_arguments.find(project_path);
   std::string arguments;
   if(run_arguments_it!=run_arguments.end())
     arguments=run_arguments_it->second;
@@ -105,16 +105,17 @@ std::pair<std::string, std::string> Project::Clang::get_run_arguments() {
     auto executable=cmake->get_executable(Notebook::get().get_current_page()!=-1?Notebook::get().get_current_view()->file_path:"").string();
     
     if(executable!="") {
-      auto build_path=cmake->get_default_build_path();
+      auto project_path=cmake->project_path;
+      auto build_path=CMake::get_default_build_path(project_path);
       if(!build_path.empty()) {
-        size_t pos=executable.find(project_path);
+        size_t pos=executable.find(project_path.string());
         if(pos!=std::string::npos)
-          executable.replace(pos, project_path.size(), build_path.string());
+          executable.replace(pos, project_path.string().size(), build_path.string());
       }
       arguments=filesystem::escape_argument(executable);
     }
     else
-      arguments=filesystem::escape_argument(cmake->get_default_build_path());
+      arguments=filesystem::escape_argument(CMake::get_default_build_path(cmake->project_path));
   }
   
   return {project_path, arguments};
@@ -125,7 +126,7 @@ void Project::Clang::compile() {
   if(!cmake)
     return;
   
-  auto default_build_path=cmake->get_default_build_path();
+  auto default_build_path=CMake::get_default_build_path(cmake->project_path);
   if(default_build_path.empty())
     return;
   compiling=true;
@@ -141,7 +142,7 @@ void Project::Clang::compile_and_run() {
     return;
   auto project_path=cmake->project_path;
   
-  auto default_build_path=cmake->get_default_build_path();
+  auto default_build_path=CMake::get_default_build_path(project_path);
   if(default_build_path.empty())
     return;
   
@@ -193,16 +194,17 @@ std::pair<std::string, std::string> Project::Clang::debug_get_run_arguments() {
     auto executable=cmake->get_executable(Notebook::get().get_current_page()!=-1?Notebook::get().get_current_view()->file_path:"").string();
     
     if(executable!="") {
-      auto build_path=cmake->get_debug_build_path();
+      auto project_path=cmake->project_path;
+      auto build_path=CMake::get_debug_build_path(project_path);
       if(!build_path.empty()) {
-        size_t pos=executable.find(project_path);
+        size_t pos=executable.find(project_path.string());
         if(pos!=std::string::npos)
-          executable.replace(pos, project_path.size(), build_path.string());
+          executable.replace(pos, project_path.string().size(), build_path.string());
       }
       arguments=filesystem::escape_argument(executable);
     }
     else
-      arguments=filesystem::escape_argument(cmake->get_debug_build_path());
+      arguments=filesystem::escape_argument(CMake::get_debug_build_path(cmake->project_path));
   }
   
   return {project_path, arguments};
@@ -214,10 +216,10 @@ void Project::Clang::debug_start() {
     return;
   auto project_path=cmake->project_path;
       
-  auto debug_build_path=cmake->get_debug_build_path();
+  auto debug_build_path=CMake::get_debug_build_path(project_path);
   if(debug_build_path.empty())
     return;
-  if(!cmake->create_debug_build())
+  if(!CMake::create_debug_build(project_path))
     return;
   
   auto run_arguments_it=debug_run_arguments.find(project_path.string());
diff --git a/src/source_clang.cc b/src/source_clang.cc
index cc6c6ee..2130993 100644
--- a/src/source_clang.cc
+++ b/src/source_clang.cc
@@ -178,7 +178,7 @@ void Source::ClangViewParse::soft_reparse() {
 }
 
 std::vector<std::string> Source::ClangViewParse::get_compilation_commands() {
-  clang::CompilationDatabase db(CMake(project_path).get_default_build_path().string());
+  clang::CompilationDatabase db(CMake::get_default_build_path(project_path).string());
   clang::CompileCommands commands(file_path.string(), db);
   std::vector<clang::CompileCommand> cmds = commands.get_commands();
   std::vector<std::string> arguments;