cmake: Prevent redefinition of uninstall target
Allows for this repo to be included as a submodule of another
repo that defines its own uninstall target. The uninstall target
is best defined at the top-level repo.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4cd8911..55e78dc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -12,9 +12,11 @@
install(DIRECTORY "${CMAKE_SOURCE_DIR}/registry" DESTINATION ${CMAKE_INSTALL_DATADIR}/vulkan)
# uninstall target
-configure_file(
- "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
- "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
- IMMEDIATE @ONLY)
-add_custom_target(uninstall
- COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
+if(NOT TARGET uninstall)
+ configure_file(
+ "${CMAKE_CURRENT_SOURCE_DIR}/cmake/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()
\ No newline at end of file
