diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c1d3ab5..4714abc 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -7,8 +7,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: sudo apt install -y cmake g++-5 gcc-5
       - name: cmake
@@ -26,8 +24,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: sudo apt install -y cmake gcc g++
       - name: cmake
@@ -41,8 +37,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: sudo apt install -y cmake gcc g++
       - name: cmake
@@ -56,8 +50,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: sudo apt install -y cmake clang-3.9
       - name: cmake
@@ -75,8 +67,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: sudo apt install -y cmake clang
       - name: cmake
@@ -94,8 +84,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: sudo apt install -y cmake clang
       - name: cmake
@@ -113,8 +101,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: brew install cmake
       - name: cmake
@@ -128,8 +114,6 @@ jobs:
     steps:
       - name: Checkout repository code
         uses: actions/checkout@v2
-      - name: Checkout submodules
-        run: git submodule update --init --recursive
       - name: install dependencies
         run: brew install cmake
       - name: cmake
diff --git a/.gitignore b/.gitignore
index 880d38c..bfd91c5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,3 +18,5 @@ compile_commands.json
 [._]s[a-w][a-z]
 *.cppr
 *.hr
+cmake-build-debug
+deps
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 0b9e413..0000000
--- a/.gitmodules
+++ /dev/null
@@ -1,9 +0,0 @@
-[submodule "src/cppgtfs"]
-	path = src/cppgtfs
-	url = https://github.com/ad-freiburg/cppgtfs.git
-[submodule "src/xml"]
-	path = src/xml
-	url = https://github.com/patrickbr/pfxml.git
-[submodule "src/configparser"]
-	path = src/configparser
-	url = https://git.patrickbrosi.de/patrick/configparser
diff --git a/.pkg b/.pkg
new file mode 100644
index 0000000..173338a
--- /dev/null
+++ b/.pkg
@@ -0,0 +1,14 @@
+[cppgtfs]
+    url=git@github.com:vesavlad/cppgtfs.git
+    branch=add-propper-cmake-project-definition
+    commit=69dcdbf392b30777dbfc943c6ca512f33df8eac6
+
+[config-parser]
+    url=git@github.com:vesavlad/config-parser.git
+    branch=master
+    commit=f96586a5522312fc4d1d8aa67cc5b7ec9039a825
+
+[pfxml]
+    url=git@github.com:patrickbr/pfxml.git
+    branch=master
+    commit=c7202d1435b6a4d460fc38b59ca131620b204c4f
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ce5e3e7..293c96c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 cmake_minimum_required (VERSION 2.8)
 
 project (pfaedle)
+include(cmake/pkg.cmake)
 
 if (CMAKE_BUILD_TYPE)
 	string(TOUPPER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE)
@@ -63,14 +64,6 @@ else()
 	set(VERSION_GIT_FULL "${VERSION_GIT}-${VERSION_GIT_IS_DIRTY}")
 endif()
 
-# Download submodules if needed
-
-if(NOT EXISTS ${CMAKE_SOURCE_DIR}/src/configparser/.git OR NOT EXISTS ${CMAKE_SOURCE_DIR}/src/cppgtfs/.git OR NOT EXISTS ${CMAKE_SOURCE_DIR}/src/xml/.git)
-    execute_process(
-        COMMAND git submodule update --init --recursive
-    )
-endif()
-
 add_subdirectory(src)
 
 # tests
diff --git a/cmake/pkg.cmake b/cmake/pkg.cmake
new file mode 100644
index 0000000..a914e96
--- /dev/null
+++ b/cmake/pkg.cmake
@@ -0,0 +1,40 @@
+set(pkg-bin "${CMAKE_BINARY_DIR}/dl/pkg")
+if (${CMAKE_SYSTEM_NAME} STREQUAL "Linux")
+  set(pkg-url "pkg")
+elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+  set(pkg-url "pkg.exe")
+elseif (${CMAKE_SYSTEM_NAME} STREQUAL "Darwin")
+  set(pkg-url "pkgosx")
+else()
+  message(STATUS "Not downloading pkg tool. Using pkg from PATH.")
+  set(pkg-bin "pkg")
+endif()
+
+if (pkg-url)
+  if (NOT EXISTS ${pkg-bin})
+    message(STATUS "Downloading pkg binary from https://github.com/motis-project/pkg/releases/latest/download/${pkg-url}")
+    file(DOWNLOAD "https://github.com/motis-project/pkg/releases/latest/download/${pkg-url}" ${pkg-bin})
+    if (UNIX)
+      execute_process(COMMAND chmod +x ${pkg-bin})
+    endif()
+  else()
+    message(STATUS "Pkg binary located in project.")
+  endif()
+endif()
+
+message(STATUS "${pkg-bin} -l -h -f")
+execute_process(
+  COMMAND ${pkg-bin} -l -h -f
+  WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+)
+
+if (IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/deps")
+  add_subdirectory(deps)
+endif()
+
+set_property(
+  DIRECTORY
+  APPEND
+  PROPERTY CMAKE_CONFIGURE_DEPENDS
+  "${CMAKE_CURRENT_SOURCE_DIR}/.pkg"
+)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index fbf3449..7857033 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -10,6 +10,4 @@ include_directories(
 
 add_subdirectory(util)
 add_subdirectory(pfaedle)
-add_subdirectory(cppgtfs)
-add_subdirectory(configparser)
 add_subdirectory(shapevl)
diff --git a/src/configparser b/src/configparser
deleted file mode 160000
index ca166b3..0000000
--- a/src/configparser
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ca166b3446d5bb8b5fb8c6f637ca3f9cb0a8ff3b
diff --git a/src/cppgtfs b/src/cppgtfs
deleted file mode 160000
index 192272f..0000000
--- a/src/cppgtfs
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 192272f4ab542e75ffad9b545be5cc68e5599828
diff --git a/src/pfaedle/CMakeLists.txt b/src/pfaedle/CMakeLists.txt
index e36ccf1..43734bd 100644
--- a/src/pfaedle/CMakeLists.txt
+++ b/src/pfaedle/CMakeLists.txt
@@ -17,8 +17,9 @@ configure_file (
 
 add_executable(pfaedle ${pfaedle_main})
 add_library(pfaedle_dep ${pfaedle_SRC})
+target_link_libraries(pfaedle_dep PRIVATE ad_cppgtfs pfxml configparser)
 
 include_directories(pfaedle_dep PUBLIC ${PROJECT_SOURCE_DIR}/src/cppgtfs/src)
-target_link_libraries(pfaedle pfaedle_dep util configparser ad_cppgtfs -lpthread ${LIBZIP_LIBRARY})
+target_link_libraries(pfaedle pfaedle_dep util configparser -lpthread ${LIBZIP_LIBRARY})
 
 add_subdirectory(tests)
diff --git a/src/pfaedle/gtfs/Writer.cpp b/src/pfaedle/gtfs/Writer.cpp
index 0380fc1..6c38729 100644
--- a/src/pfaedle/gtfs/Writer.cpp
+++ b/src/pfaedle/gtfs/Writer.cpp
@@ -18,7 +18,7 @@
 #include "ad/cppgtfs/Parser.h"
 #include "ad/cppgtfs/Writer.h"
 #include "ad/cppgtfs/gtfs/flat/Agency.h"
-#include "ad/util/CsvWriter.h"
+#include "ad/cppgtfs/util/CsvWriter.h"
 #include "pfaedle/gtfs/Writer.h"
 
 using ad::cppgtfs::Parser;
diff --git a/src/pfaedle/osm/OsmBuilder.cpp b/src/pfaedle/osm/OsmBuilder.cpp
index 425e283..d385412 100644
--- a/src/pfaedle/osm/OsmBuilder.cpp
+++ b/src/pfaedle/osm/OsmBuilder.cpp
@@ -24,7 +24,7 @@
 #include "util/Misc.h"
 #include "util/Nullable.h"
 #include "util/log/Log.h"
-#include "xml/pfxml.h"
+#include "pfxml/pfxml.h"
 
 using ad::cppgtfs::gtfs::Stop;
 using pfaedle::osm::BlockSearch;
diff --git a/src/pfaedle/osm/OsmBuilder.h b/src/pfaedle/osm/OsmBuilder.h
index 9cf1505..73b8e9e 100644
--- a/src/pfaedle/osm/OsmBuilder.h
+++ b/src/pfaedle/osm/OsmBuilder.h
@@ -25,7 +25,7 @@
 #include "util/Nullable.h"
 #include "util/geo/Geo.h"
 #include "util/xml/XmlWriter.h"
-#include "xml/pfxml.h"
+#include "pfxml/pfxml.h"
 
 namespace pfaedle {
 namespace osm {
diff --git a/src/shapevl/CMakeLists.txt b/src/shapevl/CMakeLists.txt
index bb55963..a191030 100644
--- a/src/shapevl/CMakeLists.txt
+++ b/src/shapevl/CMakeLists.txt
@@ -12,6 +12,7 @@ include_directories(
 
 add_executable(shapevl ${shapevl_main})
 add_library(shapevl_dep ${shapevl_SRC})
+target_link_libraries(shapevl_dep PUBLIC ad_cppgtfs)
 
 include_directories(shapevl_dep PUBLIC ${PROJECT_SOURCE_DIR}/src/cppgtfs/src)
-target_link_libraries(shapevl shapevl_dep util ad_cppgtfs -lpthread ${LIBZIP_LIBRARY})
+target_link_libraries(shapevl shapevl_dep util -lpthread ${LIBZIP_LIBRARY})
diff --git a/src/xml b/src/xml
deleted file mode 160000
index ee92108..0000000
--- a/src/xml
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit ee9210828b1d1f81fb9ff9f3b7da87327c3390e6