Add alias target with same Prefix as namespace

With the alias, the `Docopt::docopt` target can be linked to regardless of whether the consuming project uses `find_package` or `add_subdirectory`.
docopt · eaaltonen · Oct 14, 2022 · Oct 14, 2022 · Oct 14, 2022 · Oct 17, 2022
commit 1ea7bd5558df2bbbbf858662791756d67a47bd9f
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -114,6 +114,7 @@ install(FILES "${CMAKE_CURRENT_BINARY_DIR}/${ConfigPackageLocation}/docopt-confi
 install(EXPORT ${export_name}
 	DESTINATION "${CMAKE_INSTALL_LIBDIR}/${ConfigPackageLocation}"
 	NAMESPACE Docopt::)
+add_library(Docopt::docopt ALIAS docopt)
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/docopt.pc.in ${CMAKE_CURRENT_BINARY_DIR}/docopt.pc @ONLY)
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/docopt.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)