From eb3695d2fc75dd97bd0131672b9f160275e5caad Mon Sep 17 00:00:00 2001
From: Abhijit Kundu <abhijit.kundu@gatech.edu>
Date: Thu, 4 Dec 2014 02:57:03 -0500
Subject: Added cmake uninstall target. This adds a cmake command make
 uninstall Running make uninstall removes the files installed by running make
 install

---
 CMakeLists.txt             |  5 +++++
 cmake/EigenUninstall.cmake | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 45 insertions(+)
 create mode 100644 cmake/EigenUninstall.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 05d92babe..f9610a522 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -448,6 +448,7 @@ if(cmake_generator_tolower MATCHES "makefile")
   message(STATUS "make check    | Build and run the unit-tests. Read this page:")
   message(STATUS "              |   http://eigen.tuxfamily.org/index.php?title=Tests")
   message(STATUS "make blas     | Build BLAS library (not the same thing as Eigen)")
+  message(STATUS "make uninstall| Removes files installed by make install")
   message(STATUS "--------------+--------------------------------------------------------------")
 else()
   message(STATUS "To build/run the unit tests, read this page:")
@@ -483,3 +484,7 @@ install ( FILES ${CMAKE_CURRENT_SOURCE_DIR}/cmake/UseEigen3.cmake
                 ${CMAKE_CURRENT_BINARY_DIR}/Eigen3Config.cmake
           DESTINATION ${EIGEN_CONFIG_CMAKE_PATH}
         )
+
+# Add uninstall target
+add_custom_target ( uninstall
+    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/cmake/EigenUninstall.cmake)
diff --git a/cmake/EigenUninstall.cmake b/cmake/EigenUninstall.cmake
new file mode 100644
index 000000000..4dae8c85c
--- /dev/null
+++ b/cmake/EigenUninstall.cmake
@@ -0,0 +1,40 @@
+################ CMake Uninstall Template #######################
+# CMake Template file for uninstallation of files
+# mentioned in 'install_manifest.txt'
+#
+# Used by uinstall target
+#################################################################
+
+set(MANIFEST "${CMAKE_CURRENT_BINARY_DIR}/install_manifest.txt")
+
+if(EXISTS ${MANIFEST})
+  message(STATUS "============== Uninstalling Eigen  ===================")
+
+  file(STRINGS ${MANIFEST} files)
+  foreach(file ${files})
+    if(EXISTS ${file})
+      message(STATUS "Removing file: '${file}'")
+
+      execute_process(
+        COMMAND ${CMAKE_COMMAND} -E remove ${file}
+        OUTPUT_VARIABLE rm_out
+        RESULT_VARIABLE rm_retval
+        )
+
+      if(NOT "${rm_retval}" STREQUAL 0)
+        message(FATAL_ERROR "Failed to remove file: '${file}'.")
+      endif()
+    else()
+      message(STATUS "File '${file}' does not exist.")
+    endif()
+  endforeach(file)
+
+  message(STATUS "========== Finished Uninstalling Eigen  ==============")
+else()
+  message(STATUS "Cannot find install manifest: '${MANIFEST}'")
+  message(STATUS "Probably make install has not been performed")
+  message(STATUS "   or install_manifest.txt has been deleted.")
+endif()
+
+
+
-- 
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