From 2db94dcb4c5bf2ef3fa92f1cd6a41f3f90105361 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Wed, 1 Dec 2021 13:38:55 +0100
Subject: =?UTF-8?q?Hack=20to=20restore=20"configure=20--enable-x11"=20on?=
 =?UTF-8?q?=20macOS=20=E2=89=A5=2011?=
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Since macOS 11, configure --enable-x11 (and the equivalent with CMake)
fails when compiling fl_write_png.cxx in parsing of time.h.
The error happens only if png.h is included without time.h having
been included before.
The fix is to #include time.h before png.h

A better fix than his hack is desirable.
---
 src/fl_write_png.cxx | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src')

diff --git a/src/fl_write_png.cxx b/src/fl_write_png.cxx
index 45e4da7ac..6d9c7fe89 100644
--- a/src/fl_write_png.cxx
+++ b/src/fl_write_png.cxx
@@ -20,6 +20,7 @@
 #include <FL/fl_string.h>
 #include <FL/fl_utf8.h> // fl_fopen()
 #include <stdio.h>
+#include <time.h> // hack to restore "configure --enable-x11" on macOS ≥ 11
 
 // PNG library include files
 
-- 
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