From 50f351e5a56253aa8e4da2f7d9be5c480d062d4e Mon Sep 17 00:00:00 2001
From: Albrecht Schlosser <albrechts.fltk@online.de>
Date: Sun, 18 Feb 2018 11:25:51 +0000
Subject: CMake: fix debug macro for CMake versions before 3.4.

Note: string(APPEND ...) was introduced in CMake 3.4.


git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12675 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 CMake/macros.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'CMake')

diff --git a/CMake/macros.cmake b/CMake/macros.cmake
index 1118a9f17..afb855687 100644
--- a/CMake/macros.cmake
+++ b/CMake/macros.cmake
@@ -39,7 +39,9 @@ macro (fl_debug_var name)
   set (var "${name}")
   string(LENGTH "${var}" len)
   while (len LESS min_len)
-    string(APPEND var " ")
+    # add one space until min_len is reached
+    # ** string(APPEND var " ") # requires CMake 3.4.x (otherwise loop...)
+    set (var "${var} ")
     string(LENGTH "${var}" len)
   endwhile (len LESS min_len)
   message (STATUS "${var} = '${${name}}'")
-- 
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