[x265] [PATCH] cmake: add uninstall rule for non-Windows platforms

[Steve Borho]

# HG changeset patch
# User Steve Borho <steve at borho.org>
# Date 1381613400 18000
#      Sat Oct 12 16:30:00 2013 -0500
# Node ID c18a09b9d2d3c7b249701afedd4e09cf2933312d
# Parent  ec98f30c518556476e1ba2acd6c79e38f3b2b137
cmake: add uninstall rule for non-Windows platforms

CMake on Windows doesn't appear to generate an install manifest file

diff -r ec98f30c5185 -r c18a09b9d2d3 source/CMakeLists.txt
--- a/source/CMakeLists.txt	Sat Oct 12 14:52:46 2013 -0500
+++ b/source/CMakeLists.txt	Sat Oct 12 16:30:00 2013 -0500
@@ -189,6 +189,14 @@
         ARCHIVE DESTINATION lib/x265)
 install(FILES x265.h "${PROJECT_BINARY_DIR}/x265_config.h" DESTINATION include)
 
+if(NOT WIN32)
+    configure_file("${CMAKE_CURRENT_SOURCE_DIR}/cmake/cmake_uninstall.cmake.in"
+                   "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake"
+                   IMMEDIATE @ONLY)
+    add_custom_target(uninstall
+                      "${CMAKE_COMMAND}" -P "${CMAKE_CURRENT_BINARY_DIR}/cmake/cmake_uninstall.cmake")
+endif()
+
 # Main CLI application
 option(ENABLE_CLI "Build standalone CLI application" ON)
 if(ENABLE_CLI)
diff -r ec98f30c5185 -r c18a09b9d2d3 source/cmake/cmake_uninstall.cmake.in
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/cmake/cmake_uninstall.cmake.in	Sat Oct 12 16:30:00 2013 -0500
@@ -0,0 +1,19 @@
+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()
+
+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}" OR IS_SYMLINK "$ENV{DESTDIR}${file}")
+        exec_program("@CMAKE_COMMAND@" ARGS "-E remove "$ENV{DESTDIR}${file}""
+                     OUTPUT_VARIABLE rm_out
+                     RETURN_VALUE rm_retval)
+        if(NOT "${rm_retval}" STREQUAL 0)
+            message(FATAL_ERROR "Problem when removing "$ENV{DESTDIR}${file}"")
+        endif(NOT "${rm_retval}" STREQUAL 0)
+    else()
+        message(STATUS "File "$ENV{DESTDIR}${file}" does not exist.")
+    endif()
+endforeach(file)