From 26471b956ce3998884573d7f67d2ec08cde8824a Mon Sep 17 00:00:00 2001
From: Nguyen Anh Quynh <aquynh@gmail.com>
Date: Mon, 2 May 2016 10:09:52 +0800
Subject: [PATCH] support uninstall target. this fixes issue #21

---
 CMakeLists.txt    |  9 +++++++++
 CMakeUninstall.in | 21 +++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 CMakeUninstall.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0986219..48209e4 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,3 +45,12 @@ endif()
 else()
     add_subdirectory(kstool)
 endif()
+
+# uninstall target
+configure_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/CMakeUninstall.in"
+    "${CMAKE_CURRENT_BINARY_DIR}/CMakeUninstall.cmake"
+    IMMEDIATE @ONLY)
+
+add_custom_target(uninstall
+    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/CMakeUninstall.cmake)
diff --git a/CMakeUninstall.in b/CMakeUninstall.in
new file mode 100644
index 0000000..5f7acc0
--- /dev/null
+++ b/CMakeUninstall.in
@@ -0,0 +1,21 @@
+if (NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+  message(FATAL_ERROR "Cannot find install manifest: @CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+endif(NOT EXISTS "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt")
+
+file(READ "@CMAKE_CURRENT_BINARY_DIR@/install_manifest.txt" files)
+string(REGEX REPLACE "\n" ";" files "${files}")
+foreach(file ${files})
+  message(STATUS "Uninstalling $ENV{DESTDIR}${file}")
+  if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR 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 "${rm_retval}" STREQUAL 0)
+  else(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+    message(STATUS "File $ENV{DESTDIR}${file} does not exist.")
+  endif(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+endforeach(file)
-- 
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