From 3c7c21cea33e371d88848b12df4f60c570963077 Mon Sep 17 00:00:00 2001
From: Michele Caini <michele.caini@gmail.com>
Date: Thu, 28 Jul 2022 11:13:12 +0200
Subject: [PATCH] cmake: add hand made join_paths (because we don't use cmake
 v3.20+ yet)

---
 cmake/modules/JoinPaths.cmake | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 cmake/modules/JoinPaths.cmake

diff --git a/cmake/modules/JoinPaths.cmake b/cmake/modules/JoinPaths.cmake
new file mode 100644
index 000000000..fa0be17f4
--- /dev/null
+++ b/cmake/modules/JoinPaths.cmake
@@ -0,0 +1,23 @@
+# This module provides function for joining paths
+# known from most languages
+#
+# SPDX-License-Identifier: (MIT OR CC0-1.0)
+# Copyright 2020 Jan Tojnar
+# https://github.com/jtojnar/cmake-snips
+#
+# Modelled after Python’s os.path.join
+# https://docs.python.org/3.7/library/os.path.html#os.path.join
+# Windows not supported
+function(join_paths joined_path first_path_segment)
+    set(temp_path "${first_path_segment}")
+    foreach(current_segment IN LISTS ARGN)
+        if(NOT ("${current_segment}" STREQUAL ""))
+            if(IS_ABSOLUTE "${current_segment}")
+                set(temp_path "${current_segment}")
+            else()
+                set(temp_path "${temp_path}/${current_segment}")
+            endif()
+        endif()
+    endforeach()
+    set(${joined_path} "${temp_path}" PARENT_SCOPE)
+endfunction()