only installing if json-fortran is the top level project

Author: K20shores

CMakeLists.txt

@@ -446,60 +446,6 @@ add_custom_target ( uninstall
 #-----------------------------------------------------
 # Publicize installed location to other CMake projects
 #-----------------------------------------------------
-install ( EXPORT ${PACKAGE_NAME}-targets
-  NAMESPACE ${PACKAGE_NAME}::
-  DESTINATION "${EXPORT_INSTALL_DIR}" )
-
-include ( CMakePackageConfigHelpers ) # Standard CMake module
-write_basic_package_version_file( "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake"
-  VERSION ${VERSION}
-  COMPATIBILITY SameMajorVersion )
-
-# provides COMPILER_CONSISTENCY_CHECK
-include ( cmake/FCompilerConsistencyCheck.cmake )
-
-# install package config file
-configure_package_config_file (
-  "${PROJECT_SOURCE_DIR}/cmake/pkg/${PROJECT_NAME}-config.cmake.in"
-  "${PROJECT_BINARY_DIR}/pkg/${PACKAGE_NAME}-config.cmake"
-  INSTALL_DESTINATION "${EXPORT_INSTALL_DIR}"
-  PATH_VARS EXPORT_INSTALL_DIR INSTALL_MOD_DIR )
-
-# Install the config and version files so that we can find this project with others
-install ( FILES
-  "${PROJECT_BINARY_DIR}/pkg/${PACKAGE_NAME}-config.cmake"
-  "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake"
-  DESTINATION "${EXPORT_INSTALL_DIR}" )
-
-#----------------------------------------------
-# Make build tree targets accessible for import
-#----------------------------------------------
-export ( TARGETS ${LIB_NAME} ${LIB_NAME}-static FILE ${PACKAGE_NAME}-targets.cmake )
-
-# build tree package config file, NOT installed
-configure_file (
-  "${PROJECT_SOURCE_DIR}/cmake/${PROJECT_NAME}-config.cmake.in"
-  "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake"
-  @ONLY )
-
-set ( ENABLE_BUILD_TREE_EXPORT FALSE CACHE BOOL
-  "Add the ${PACKAGE_NAME} build tree to the CMake package registry?" )
-if ( ENABLE_BUILD_TREE_EXPORT )
-  export ( PACKAGE ${PACKAGE_NAME} )
-endif ()
-
-# pkg-config stuff
-configure_file(
-   "${CMAKE_CURRENT_SOURCE_DIR}/json-fortran.pc.cmake.in"
-   "${CMAKE_CURRENT_BINARY_DIR}/json-fortran.pc"
-   @ONLY
-)
-install(FILES
-   "${CMAKE_CURRENT_BINARY_DIR}/json-fortran.pc"
-   DESTINATION "${INSTALL_LIB_DIR}/pkgconfig"
-)
-
-if(MSVC_IDE)
-   INCLUDE_DIRECTORIES("src")
-   SET(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fpp")
+if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR)
+  add_subdirectory(packaging)
 endif()

packaging/CMakeLists.txt

@@ -0,0 +1,57 @@
+install ( EXPORT ${PACKAGE_NAME}-targets
+  NAMESPACE ${PACKAGE_NAME}::
+  DESTINATION "${EXPORT_INSTALL_DIR}" )
+
+include ( CMakePackageConfigHelpers ) # Standard CMake module
+write_basic_package_version_file( "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake"
+  VERSION ${VERSION}
+  COMPATIBILITY SameMajorVersion )
+
+# provides COMPILER_CONSISTENCY_CHECK
+include ( ${PROJECT_SOURCE_DIR}/cmake/FCompilerConsistencyCheck.cmake )
+
+# install package config file
+configure_package_config_file (
+  "${PROJECT_SOURCE_DIR}/cmake/pkg/${PROJECT_NAME}-config.cmake.in"
+  "${PROJECT_BINARY_DIR}/pkg/${PACKAGE_NAME}-config.cmake"
+  INSTALL_DESTINATION "${EXPORT_INSTALL_DIR}"
+  PATH_VARS EXPORT_INSTALL_DIR INSTALL_MOD_DIR )
+
+# Install the config and version files so that we can find this project with others
+install ( FILES
+  "${PROJECT_BINARY_DIR}/pkg/${PACKAGE_NAME}-config.cmake"
+  "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config-version.cmake"
+  DESTINATION "${EXPORT_INSTALL_DIR}" )
+
+#----------------------------------------------
+# Make build tree targets accessible for import
+#----------------------------------------------
+export ( TARGETS ${LIB_NAME} ${LIB_NAME}-static FILE ${PACKAGE_NAME}-targets.cmake )
+
+# build tree package config file, NOT installed
+configure_file (
+  "${PROJECT_SOURCE_DIR}/cmake/${PROJECT_NAME}-config.cmake.in"
+  "${PROJECT_BINARY_DIR}/${PACKAGE_NAME}-config.cmake"
+  @ONLY )
+
+set ( ENABLE_BUILD_TREE_EXPORT FALSE CACHE BOOL
+  "Add the ${PACKAGE_NAME} build tree to the CMake package registry?" )
+if ( ENABLE_BUILD_TREE_EXPORT )
+  export ( PACKAGE ${PACKAGE_NAME} )
+endif ()
+
+# pkg-config stuff
+configure_file(
+   "${PROJECT_SOURCE_DIR}/json-fortran.pc.cmake.in"
+   "${CMAKE_CURRENT_BINARY_DIR}/json-fortran.pc"
+   @ONLY
+)
+install(FILES
+   "${CMAKE_CURRENT_BINARY_DIR}/json-fortran.pc"
+   DESTINATION "${INSTALL_LIB_DIR}/pkgconfig"
+)
+
+if(MSVC_IDE)
+   INCLUDE_DIRECTORIES("src")
+   SET(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fpp")
+endif()