commit 62ff323b706b0ea24f079462de987cf73981dcbe
Author:     Albrecht Schlosser <albrechts.fltk@online.de>
AuthorDate: Mon Mar 22 00:13:47 2021 +0100
Commit:     Albrecht Schlosser <albrechts.fltk@online.de>
CommitDate: Mon Mar 22 00:13:47 2021 +0100

    Add missing include file stdlib.h for abs(int)
    
    This file was included (in math.h or elsewhere) on Linux and latest
    macOS versions but maybe not in earlier macOS versions or with other
    configuration options.

 src/drivers/PostScript/Fl_PostScript_image.cxx | 1 +
 1 file changed, 1 insertion(+)

diff --git src/drivers/PostScript/Fl_PostScript_image.cxx src/drivers/PostScript/Fl_PostScript_image.cxx
index ae53aaa..e6b2d62 100644
--- src/drivers/PostScript/Fl_PostScript_image.cxx
+++ src/drivers/PostScript/Fl_PostScript_image.cxx
@@ -20,6 +20,7 @@
 #include <stdio.h>
 #include <math.h>
 #include <string.h>
+#include <stdlib.h>  // abs(int)
 
 #include <FL/Fl_PostScript.H>
 #include "Fl_PostScript_Graphics_Driver.H"