up install

CMakeLists.txt

@@ -19,6 +19,11 @@ endif()
 
 include(GNUInstallDirs)
 set(NAPP_TARGET_NAME  ${PROJECT_NAME})
+set(NAPP_INCLUDE_INSTALL_DIR "${CMAKE_INSTALL_INCLUDEDIR}")
+set(NAPP_CONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}")# CACHE INTERNAL "")
+set(NAPP_TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
+set(NAPP_CMAKE_CONFIG_DIR "${CMAKE_CURRENT_BINARY_DIR}")
+set(NAPP_CMAKE_PROJECT_TARGETS_FILE "${NAPP_CMAKE_CONFIG_DIR}/${PROJECT_NAME}Targets.cmake")
 
 
 option(NAPP_ENABLE_TESTS        "Build the unit tests when NAPP_ENABLE_TESTS is enabled." ${MAIN_PROJECT})
@@ -33,7 +38,7 @@ option(NAPP_ENABLE_DOC        "Build the doc examples tests when NAPP_ENABLE_DOC
 #   message(STATUS "Using the single-header code from ${NAPP_INCLUDE_BUILD_DIR}")
 # endif()
 
-set(NAPP_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/include")
+set(NAPP_INCLUDE_BUILD_DIR "${PROJECT_SOURCE_DIR}/include/")
 
 
 add_library(${NAPP_TARGET_NAME} INTERFACE)
@@ -61,3 +66,24 @@ endif()
 if (NAPP_ENABLE_DOC)
   add_subdirectory(doc)
 endif()
+
+
+install(
+  DIRECTORY ${NAPP_INCLUDE_BUILD_DIR}
+  DESTINATION ${NAPP_INCLUDE_INSTALL_DIR}
+  )
+export(
+  TARGETS ${NAPP_TARGET_NAME}
+  NAMESPACE ${PROJECT_NAME}::
+  FILE ${NAPP_CMAKE_PROJECT_TARGETS_FILE}
+  )
+install(
+  TARGETS ${NAPP_TARGET_NAME}
+  EXPORT ${NAPP_TARGETS_EXPORT_NAME}
+  INCLUDES DESTINATION ${NAPP_INCLUDE_INSTALL_DIR}
+  )
+install(
+  EXPORT ${NAPP_TARGETS_EXPORT_NAME}
+  NAMESPACE ${PROJECT_NAME}::
+  DESTINATION ${NAPP_CONFIG_INSTALL_DIR}
+  )