CMake: Add uninstall target

cmake/uninstall.cmake.in

@@ -0,0 +1,26 @@
+set(INSTALL_MANIFEST "@CMAKE_BINARY_DIR@/install_manifest.txt")
+if(NOT EXISTS ${INSTALL_MANIFEST})
+	message(FATAL_ERROR "Cannot find install manifest: ${INSTALL_MANIFEST}")
+endif()
+
+string(ASCII 27 esc)
+message("${esc}[36mUninstall the project...${esc}[0m")
+
+file(READ ${INSTALL_MANIFEST} files)
+string(REGEX REPLACE "\n" ";" files "${files}")
+list(REVERSE files)
+
+foreach(file ${files})
+	message(STATUS "Uninstalling: $ENV{DESTDIR}${file}")
+	if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+		execute_process(COMMAND "@CMAKE_COMMAND@"
+			-E rm "$ENV{DESTDIR}${file}"
+			OUTPUT_VARIABLE rm_out
+			RESULT_VARIABLE rm_retval)
+		if(NOT "${rm_retval}" STREQUAL 0)
+			message(FATAL_ERROR "Problem when removing: $ENV{DESTDIR}${file}")
+		endif()
+	else()
+		message(STATUS "File: $ENV{DESTDIR}${file} does not exist.")
+	endif()
+endforeach()