1 files changed, 8 insertions, 6 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 66ac3b0..e198f7c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -357,10 +357,12 @@ if(NOT MSVC)
                 DESTINATION ${CMAKE_INSTALL_LIBDIR})
 endif()
 
-configure_file(
-        "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
-        "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
-        IMMEDIATE @ONLY)
+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)
+        add_custom_target(uninstall
+                COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
+endif()