Generate a cmake config file during install

CMakeLists.txt

@@ -71,7 +71,9 @@ set_target_properties(nomp PROPERTIES
   VERSION ${PROJECT_VERSION}
   SOVERSION 1
   PUBLIC_HEADER include/nomp.h)
-target_include_directories(nomp PRIVATE include ${CMAKE_BINARY_DIR}/include)
+target_include_directories(nomp
+  PUBLIC $<INSTALL_INTERFACE:${CMAKE_INSTALL_PREFIX}/include>
+  PRIVATE ${PROJECT_SOURCE_DIR}/include ${CMAKE_BINARY_DIR}/include)
 target_compile_options(nomp PRIVATE $<$<C_COMPILER_ID:MSVC>:/W4 /WX>
   $<$<NOT:$<C_COMPILER_ID:MSVC>>:-Wall -Wextra -Wpedantic>)
 
@@ -174,9 +176,19 @@ if (FLAKE8)
     COMMENT "Running flake8 ...")
 endif()
 
-install(TARGETS nomp LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib
+install(TARGETS nomp EXPORT nomp-targets
+  LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib
   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_PREFIX}/include)
 
+install(EXPORT nomp-targets FILE nomp-targets.cmake NAMESPACE nomp::
+  DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/cmake/nomp)
+include(CMakePackageConfigHelpers)
+configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/nomp-config.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/nomp-config.cmake
+  INSTALL_DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/cmake/nomp)
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/nomp-config.cmake
+  DESTINATION ${CMAKE_INSTALL_PREFIX}/lib/cmake/nomp)
+
 install(DIRECTORY ${CMAKE_SOURCE_DIR}/python DESTINATION ${CMAKE_INSTALL_PREFIX})
 
 install(DIRECTORY scripts/ DESTINATION ${CMAKE_INSTALL_PREFIX}/bin

cmake/nomp-config.cmake.in

@@ -0,0 +1,5 @@
+@PACKAGE_INIT@
+
+include(CMakeFindDependencyMacro)
+
+include("${CMAKE_CURRENT_LIST_DIR}/nompTargets.cmake")

tests/CMakeLists.txt

@@ -12,8 +12,7 @@ foreach(test_src ${TESTS})
     target_compile_options(${test_exe} PRIVATE -fsanitize=address)
     target_link_options(${test_exe} PRIVATE -fsanitize=address)
   endif()
-  install (TARGETS ${test_exe} RUNTIME DESTINATION
-    ${CMAKE_INSTALL_PREFIX}/tests)
+  install(TARGETS ${test_exe} RUNTIME DESTINATION ${CMAKE_INSTALL_PREFIX}/tests)
 endforeach()
 
 install(DIRECTORY ${CMAKE_SOURCE_DIR}/tests/ DESTINATION