Merge pull request #412 from rmescandon/add-uninstall-target

added uninstall target to cmake to allow make uninstall operation

CMakeLists.txt

@@ -120,3 +120,10 @@ endif()
 
 install(FILES data/ui/loading-screen.png DESTINATION share/anbox/ui)
 
+# uninstall target
+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

+IF(NOT EXISTS "@CMAKE_BINARY_DIR@/install_manifest.txt")
+    MESSAGE(FATAL_ERROR "Cannot find install manifest: \"@CMAKE_BINARY_DIR@/install_manifest.txt\"")
+ENDIF(NOT EXISTS "@CMAKE_BINARY_DIR@/install_manifest.txt")
+
+FILE(READ "@CMAKE_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}${file}\""
+            OUTPUT_VARIABLE rm_out
+            RETURN_VALUE rm_retval
+        )
+        IF(NOT "${rm_retval}" STREQUAL 0)
+            MESSAGE(FATAL_ERROR "Problem when removing \"$ENV{DESTDIR}${file}\"")
+        ENDIF(NOT "${rm_retval}" STREQUAL 0)
+    ELSE(EXISTS "$ENV{DESTDIR}${file}")
+        MESSAGE(STATUS "File \"$ENV{DESTDIR}${file}\" does not exist.")
+    ENDIF(EXISTS "$ENV{DESTDIR}${file}")
+ENDFOREACH(file)