diff --git a/CMakeLists.txt b/CMakeLists.txt
index 48f552b..e7d4563 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,7 @@ set(CMAKE_CXX_FLAGS_DEBUG
   "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wextra -Wpedantic -ftrapv \
 -fsanitize=undefined -g -Og -fno-omit-frame-pointer")
 
+include_directories(${PROJECT_SOURCE_DIR}/src)
 Include_directories(${PROJECT_BINARY_DIR})
 
 include_directories(${CURLPP_INCLUDE_DIRS})
@@ -53,5 +54,8 @@ if (WITH_MAN)
 endif()
 
 if(WITH_TESTS)
+  add_library(${PROJECT_NAME}_testlib SHARED ${sources})
+  target_link_libraries(${PROJECT_NAME}_testlib
+    ${CURLPP_LIBRARIES} ${JSONCPP_LIBRARIES})
   include(tests.CMakeLists.txt)
 endif()
diff --git a/src/gitea2rss.cpp b/src/gitea2rss.cpp
new file mode 100644
index 0000000..2e77607
--- /dev/null
+++ b/src/gitea2rss.cpp
@@ -0,0 +1,19 @@
+/*  This file is part of gitea2rss.
+ *  Copyright © 2019 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "gitea2rss.hpp"
+
+bool cgi = false;
diff --git a/src/main.cpp b/src/main.cpp
index 18aa48e..d4209bf 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -27,8 +27,6 @@ using std::endl;
 using std::string;
 using std::chrono::system_clock;
 
-bool cgi = false;
-
 int main(int argc, char *argv[])
 {
     const char *envquery = std::getenv("QUERY_STRING");
diff --git a/tests.CMakeLists.txt b/tests.CMakeLists.txt
index ce26c37..164eb2d 100644
--- a/tests.CMakeLists.txt
+++ b/tests.CMakeLists.txt
@@ -1,12 +1,11 @@
 include(CTest)
 file(GLOB sources_tests tests/test_*.cpp)
-include_directories(${PROJECT_SOURCE_DIR}/src)
 
 find_package(Catch2)
 if(Catch2_FOUND)    # Catch 2.x
   include(Catch)
   add_executable(all_tests tests/main.cpp ${sources_tests})
-  target_link_libraries(all_tests Catch2::Catch2)
+  target_link_libraries(all_tests Catch2::Catch2 ${PROJECT_NAME}_testlib)
   target_include_directories(all_tests PRIVATE "/usr/include/catch2")
   catch_discover_tests(all_tests EXTRA_ARGS "${EXTRA_TEST_ARGS}")
 else()              # Catch 1.x
@@ -15,6 +14,7 @@ else()              # Catch 1.x
     foreach(src ${sources_tests})
       get_filename_component(bin ${src} NAME_WE)
       add_executable(${bin} tests/main.cpp ${src})
+      target_link_libraries(${bin} ${PROJECT_NAME}_testlib)
       add_test(${bin} ${bin} "${EXTRA_TEST_ARGS}")
     endforeach()
   else()
diff --git a/tests/main.cpp b/tests/main.cpp
index 308997c..cf46664 100644
--- a/tests/main.cpp
+++ b/tests/main.cpp
@@ -17,5 +17,3 @@
 #define CATCH_CONFIG_MAIN
 
 #include <catch.hpp>
-#include "strings.cpp"
-#include "time.cpp"