Add uninstall target to generated Makefile

Author: zbeekman

CMakeLists.txt

@@ -139,6 +139,17 @@ target_link_libraries(OpenCoarrays INTERFACE caf_mpi)
 
 install(DIRECTORY  ${CMAKE_BINARY_DIR}/mod DESTINATION .)
 
+#------------------------------------------
+# Add portable unistall command to makefile
+#------------------------------------------
+# Adapted from the CMake Wiki FAQ
+configure_file ( "${CMAKE_SOURCE_DIR}/cmake/uninstall.cmake.in" "${CMAKE_BINARY_DIR}/uninstall.cmake"
+    @ONLY)
+
+add_custom_target ( uninstall
+  COMMAND ${CMAKE_COMMAND} -P "${CMAKE_BINARY_DIR}/uninstall.cmake" )
+
+
 enable_testing()
 
 function(add_mpi_test name num_mpi_proc path)

cmake/uninstall.cmake.in

@@ -0,0 +1,23 @@
+# Adapted from http://www.cmake.org/Wiki/CMake_FAQ#Can_I_do_.22make_uninstall.22_with_CMake.3F May 1, 2014
+
+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(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)