setup instalation and exports stuffs

CMakeLists.txt

@@ -31,3 +31,64 @@ if(BUILD_EXAMPLES)
     add_executable(${EXAM_HMAP} examples/hmap_example.cpp)
     target_link_libraries(${EXAM_HMAP} ${PROJECT_NAME})
 endif()
+
+
+include(GNUInstallDirs)
+include(CMakePackageConfigHelpers)
+
+install(
+    TARGETS ${PROJECT_NAME}
+    EXPORT ${PROJECT_NAME}_Targets
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+)
+
+
+set(SNPLIB_CONFIG_INSTALLDIR
+    ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
+    # CACHE PATH
+    # "install path for generated library config files"
+)
+set(SNPLIB_HEADERS_INSTALLDIR
+    ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}
+    # CACHE PATH
+    # "install path for headers"
+)
+
+configure_package_config_file(
+    "${PROJECT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in"
+    "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+    INSTALL_DESTINATION ${SNPLIB_CONFIG_INSTALLDIR}
+    PATH_VARS SNPLIB_HEADERS_INSTALLDIR
+)
+
+install(
+    EXPORT ${PROJECT_NAME}_Targets
+    FILE ${PROJECT_NAME}Targets.cmake
+    NAMESPACE ${PROJECT_NAME_NAMESPACE}::
+    DESTINATION ${SNPLIB_CONFIG_INSTALLDIR}
+)
+install(
+    FILES
+        "${PROJECT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
+        "${PROJECT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
+    DESTINATION ${SNPLIB_CONFIG_INSTALLDIR}
+)
+install(FILES ${SNPLIB_SRC} DESTINATION include/${PROJECT_NAME})
+
+# uninstall target
+if(NOT TARGET uninstall)
+    configure_file(
+        "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
+        "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
+        IMMEDIATE
+        @ONLY
+    )
+
+    add_custom_target(
+        uninstall
+        COMMAND
+            ${CMAKE_COMMAND} -P
+            ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake
+    )
+endif()