Added uninstall target for cmake

git-svn-id: http://svn.osgeo.org/qgis/branches/Release-0_8_0@6588 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: timlinux

CMakeLists.txt

@@ -210,3 +210,13 @@ INSTALL (FILES AUTHORS SPONSORS
 # manual page... install also on windows?
 INSTALL (FILES qgis.man
          DESTINATION ${CMAKE_INSTALL_PREFIX}/man/man1)
+
+#############################################################
+# Uninstall stuff see: http://www.vtk.org/Wiki/CMake_FAQ
+CONFIGURE_FILE(
+  "${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")

cmake_uninstall.cmake.in

@@ -0,0 +1,22 @@
+IF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+  MESSAGE(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt\"")
+ENDIF(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+
+FILE(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
+STRING(REGEX REPLACE "\n" ";" files "${files}")
+FOREACH(file ${files})
+  MESSAGE(STATUS "Uninstalling \"$ENV{DESTDIR}${file}\"")
+  IF(EXISTS "$ENV{DESTDIR}${file}")
+    EXEC_PROGRAM(
+      "@CMAKE_COMMAND@" ARGS "-E remove \"$ENV{DESTDIR}${file}\""
+      OUTPUT_VARIABLE rm_out
+      RETURN_VALUE rm_retval
+      )
+    IF("${rm_retval}" STREQUAL 0)
+    ELSE("${rm_retval}" STREQUAL 0)
+      MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
+    ENDIF("${rm_retval}" STREQUAL 0)
+  ELSE(EXISTS "$ENV{DESTDIR}${file}")
+    MESSAGE(STATUS "File \"$ENV{DESTDIR}${file}\" does not exist.")
+  ENDIF(EXISTS "$ENV{DESTDIR}${file}")
+ENDFOREACH(file)