From 460d70a5c28464c1e350d7c2a478f36e11864394 Mon Sep 17 00:00:00 2001
From: "Antenore Gatta (tmow)" <antenore@simbiosi.org>
Date: Wed, 14 Jul 2021 16:27:08 +0200
Subject: Improved uninstall target. closes 2314

---
 CMakeLists.txt | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 46cd55479..cf5418b2f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -357,11 +357,23 @@ if(SNAP_BUILD)
 endif()
 
 # Uninstall support
-configure_file(
-    "${CMAKE_CURRENT_SOURCE_DIR}/cmake_uninstall.cmake.in"
-    "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY)
-add_custom_target(uninstall "${CMAKE_COMMAND}" -P
-    "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake")
+
+# setup a 'make uninstall' target if we find a
+# cmake_uninstall.cmake.in in the module path
+#===========================================================
+foreach( MODULE_PATH ${CMAKE_MODULE_PATH} )
+  set( UNINSTALL_IN  "${MODULE_PATH}/cmake_uninstall.cmake.in" )
+  set( UNINSTALL_OUT "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" )
+  if( EXISTS ${UNINSTALL_IN} )
+    configure_file( "${UNINSTALL_IN}"
+                    "${UNINSTALL_OUT}"
+                    IMMEDIATE @ONLY
+    )
+    add_custom_target(uninstall
+                   "${CMAKE_COMMAND}" -P "${UNINSTALL_OUT}")
+    break()
+  endif( EXISTS ${UNINSTALL_IN} )
+endforeach( MODULE_PATH )
 
 #find_required_package(GTK)
 find_package(GLib REQUIRED)
-- 
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