From 7268fc18b4b63f8f65fe294dfeaef0b931514233 Mon Sep 17 00:00:00 2001
From: Camilla Berglund <elmindreda@elmindreda.org>
Date: Wed, 27 Jul 2011 15:46:19 +0200
Subject: [PATCH] Don't clobber higher-level uninstall targets.

---
 CMakeLists.txt | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index f0c2eeef..06acbef0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -155,11 +155,14 @@ install(FILES COPYING.txt readme.html
 
 #--------------------------------------------------------------------
 # Uninstall operation
+# Don't generate this target if a higher-level project already has
 #--------------------------------------------------------------------
-configure_file(${GLFW_SOURCE_DIR}/cmake_uninstall.cmake.in
-               ${GLFW_BINARY_DIR}/cmake_uninstall.cmake IMMEDIATE @ONLY)
+if(NOT TARGET uninstall)
+    configure_file(${GLFW_SOURCE_DIR}/cmake_uninstall.cmake.in
+                   ${GLFW_BINARY_DIR}/cmake_uninstall.cmake IMMEDIATE @ONLY)
 
-add_custom_target(uninstall
-                  ${CMAKE_COMMAND} -P
-                  ${GLFW_BINARY_DIR}/cmake_uninstall.cmake)
+    add_custom_target(uninstall
+                      ${CMAKE_COMMAND} -P
+                      ${GLFW_BINARY_DIR}/cmake_uninstall.cmake)
+endif()