From aad44f95ff28b91c44f3b6cd351baa3072908c28 Mon Sep 17 00:00:00 2001
From: Riyyi <riyyi3@gmail.com>
Date: Sun, 30 Jan 2022 14:49:28 +0100
Subject: [PATCH] CMake: Add uninstall target

---
 CMakeLists.txt           | 11 +++++++++++
 cmake/uninstall.cmake.in | 26 ++++++++++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 cmake/uninstall.cmake.in

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ce99121..0a60f0a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -95,3 +95,14 @@ target_link_libraries(test)
 # Man page target
 
 add_subdirectory(doc)
+
+# ------------------------------------------
+# Uninstall target
+
+configure_file(
+	${CMAKE_SOURCE_DIR}/cmake/uninstall.cmake.in
+	${CMAKE_BINARY_DIR}/cmake_uninstall.cmake
+	@ONLY)
+
+add_custom_target(uninstall
+	COMMAND ${CMAKE_COMMAND} -P ${CMAKE_BINARY_DIR}/cmake_uninstall.cmake)
diff --git a/cmake/uninstall.cmake.in b/cmake/uninstall.cmake.in
new file mode 100644
index 0000000..ddc8db8
--- /dev/null
+++ b/cmake/uninstall.cmake.in
@@ -0,0 +1,26 @@
+set(INSTALL_MANIFEST "@CMAKE_BINARY_DIR@/install_manifest.txt")
+if(NOT EXISTS ${INSTALL_MANIFEST})
+	message(FATAL_ERROR "Cannot find install manifest: ${INSTALL_MANIFEST}")
+endif()
+
+string(ASCII 27 esc)
+message("${esc}[36mUninstall the project...${esc}[0m")
+
+file(READ ${INSTALL_MANIFEST} files)
+string(REGEX REPLACE "\n" ";" files "${files}")
+list(REVERSE files)
+
+foreach(file ${files})
+	message(STATUS "Uninstalling: $ENV{DESTDIR}${file}")
+	if(IS_SYMLINK "$ENV{DESTDIR}${file}" OR EXISTS "$ENV{DESTDIR}${file}")
+		execute_process(COMMAND "@CMAKE_COMMAND@"
+			-E rm "$ENV{DESTDIR}${file}"
+			OUTPUT_VARIABLE rm_out
+			RESULT_VARIABLE rm_retval)
+		if(NOT "${rm_retval}" STREQUAL 0)
+			message(FATAL_ERROR "Problem when removing: $ENV{DESTDIR}${file}")
+		endif()
+	else()
+		message(STATUS "File: $ENV{DESTDIR}${file} does not exist.")
+	endif()
+endforeach()