SDL: Add reversive list join macro

SDL Commits
1 
From 47c105161bdf3bd76a10cbbbb22a12885df656af Mon Sep 17 00:00:00 2001
From: Ivan Epifanov <[EMAIL REDACTED]>
Date: Fri, 18 Dec 2020 16:42:37 +0300
Subject: [PATCH] Add reversive list join macro

---
 cmake/macros.cmake | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/cmake/macros.cmake b/cmake/macros.cmake
index 96a7ce8b1..cc955bdcf 100644
--- a/cmake/macros.cmake
+++ b/cmake/macros.cmake
@@ -64,6 +64,21 @@ macro(LISTTOSTR _LIST _OUTPUT)
   endforeach()
 endmacro()
 
+macro(LISTTOSTRREV _LIST _OUTPUT)
+  if(${ARGC} EQUAL 3)
+    # prefix for each element
+    set(_LPREFIX ${ARGV2})
+  else()
+    set(_LPREFIX "")
+  endif()
+  # Do not use string(REPLACE ";" " ") here to avoid messing up list
+  # entries
+  foreach(_ITEM ${${_LIST}})
+    set(${_OUTPUT} "${${_OUTPUT}} ${_LPREFIX}${_ITEM}")
+  endforeach()
+endmacro()
+
+
 macro(CHECK_OBJC_SOURCE_COMPILES SOURCE VAR)
   set(PREV_REQUIRED_DEFS "${CMAKE_REQUIRED_DEFINITIONS}")
   set(CMAKE_REQUIRED_DEFINITIONS "-x objective-c ${PREV_REQUIRED_DEFS}")