maddouri#7 Make test app and installation of headers optional

Added CMake variables DYNALO_INSTALL_API and DYNALO_BUILD_TEST to
enable/disable usage of test app and installation of auxiliary files.

Author: Mr-Question

CMakeLists.txt

@@ -18,44 +18,48 @@ elseif(WIN32)
     target_link_libraries(${PROJECT_NAME} INTERFACE kernel32)
 endif()
 
+set (DYNALO_INSTALL_API OFF CACHE BOOL "Installs headers and CMake helpers")
+if (DYNALO_INSTALL_API)
+  install(
+      DIRECTORY   "include/${PROJECT_NAME}"
+      DESTINATION "include"
+  )
 
+  install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}Targets)
 
-install(
-    DIRECTORY   "include/${PROJECT_NAME}"
-    DESTINATION "include"
-)
-
-install(TARGETS ${PROJECT_NAME} EXPORT ${PROJECT_NAME}Targets)
-
-include (CMakePackageConfigHelpers)
-set(CONFIG_PACKAGE_BUILD_LOCATION   "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}")
-set(CONFIG_PACKAGE_INSTALL_LOCATION "lib/cmake/${PROJECT_NAME}")
-write_basic_package_version_file (
-    "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}ConfigVersion.cmake"
-    VERSION 1.0.3
-    COMPATIBILITY AnyNewerVersion
-)
-export(
-    EXPORT ${PROJECT_NAME}Targets
-    FILE "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}Targets.cmake"
-    #NAMESPACE ${PROJECT_NAME}::
-)
-configure_file(
-    "cmake/Config.cmake"
-    "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}Config.cmake"
-    @ONLY
-)
-install(
-    EXPORT      "${PROJECT_NAME}Targets"
-    FILE        "${PROJECT_NAME}Targets.cmake"
-    #NAMESPACE   ${PROJECT_NAME}::
-    DESTINATION "${CONFIG_PACKAGE_INSTALL_LOCATION}"
-)
-install(
-    FILES
-    "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}Config.cmake"
-    "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}ConfigVersion.cmake"
-    DESTINATION "${CONFIG_PACKAGE_INSTALL_LOCATION}"
-)
+  include (CMakePackageConfigHelpers)
+  set(CONFIG_PACKAGE_BUILD_LOCATION   "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}")
+  set(CONFIG_PACKAGE_INSTALL_LOCATION "lib/cmake/${PROJECT_NAME}")
+  write_basic_package_version_file (
+      "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}ConfigVersion.cmake"
+      VERSION 1.0.3
+      COMPATIBILITY AnyNewerVersion
+  )
+  export(
+      EXPORT ${PROJECT_NAME}Targets
+      FILE "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}Targets.cmake"
+      #NAMESPACE ${PROJECT_NAME}::
+  )
+  configure_file(
+      "cmake/Config.cmake"
+      "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}Config.cmake"
+      @ONLY
+  )
+  install(
+      EXPORT      "${PROJECT_NAME}Targets"
+      FILE        "${PROJECT_NAME}Targets.cmake"
+      #NAMESPACE   ${PROJECT_NAME}::
+      DESTINATION "${CONFIG_PACKAGE_INSTALL_LOCATION}"
+  )
+  install(
+      FILES
+      "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}Config.cmake"
+      "${CONFIG_PACKAGE_BUILD_LOCATION}/${PROJECT_NAME}ConfigVersion.cmake"
+      DESTINATION "${CONFIG_PACKAGE_INSTALL_LOCATION}"
+  )
+endif()
 
-add_subdirectory(test)
+set (DYNALO_BUILD_TEST OFF CACHE BOOL "Builds test application")
+if (DYNALO_BUILD_TEST)
+  add_subdirectory(test)
+endif()