From 6feef1cd5f847ac09b33b3cc83af4fc7aab651b8 Mon Sep 17 00:00:00 2001
From: q-posev <posenitskiy@irsamc.ups-tlse.fr>
Date: Tue, 16 Nov 2021 18:10:36 +0100
Subject: [PATCH] add custom uninstall target to CMake

---
 CMakeLists.txt                 | 12 ++++++++++++
 tools/cmake_uninstall.cmake.in | 24 ++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 tools/cmake_uninstall.cmake.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3bc44e1..b688d92 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -197,5 +197,17 @@ install(TARGETS trexio
 # Also install trexio_f.f90 file with TREXIO Fortran module.
 install(FILES ${TREXIO_MOD_FILE} DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
+# Uninstall target, copied from CMake FAQ:
+# https://gitlab.kitware.com/cmake/community/wikis/FAQ#can-i-do-make-uninstall-with-cmake
+if(NOT TARGET uninstall)
+  configure_file(
+    "${CMAKE_CURRENT_SOURCE_DIR}/tools/cmake_uninstall.cmake.in"
+    "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake"
+    IMMEDIATE @ONLY)
+
+  add_custom_target(uninstall
+    COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
+endif()
+
 # =========================================== 
 
diff --git a/tools/cmake_uninstall.cmake.in b/tools/cmake_uninstall.cmake.in
new file mode 100644
index 0000000..f779906
--- /dev/null
+++ b/tools/cmake_uninstall.cmake.in
@@ -0,0 +1,24 @@
+# Needed to make uninstall target in CMake, see the CMake FAQ:
+# https://gitlab.kitware.com/cmake/community/wikis/FAQ#can-i-do-make-uninstall-with-cmake
+
+if(NOT EXISTS "@CMAKE_BINARY_DIR@/install_manifest.txt")
+  message(FATAL_ERROR "Cannot find install manifest: @CMAKE_BINARY_DIR@/install_manifest.txt")
+endif()
+
+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()
+  else(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+    message(STATUS "File $ENV{DESTDIR}${file} does not exist.")
+  endif()
+endforeach()