From b9544ad342cbd1146b8518cf142caaa8f2f95b2a Mon Sep 17 00:00:00 2001
From: Pierre Muller <pierre@freepascal.org>
Date: Thu, 28 Sep 2023 22:55:47 +0200
Subject: [PATCH] Add SYSTEMDIR variable (needed for BSD OSes)

---
 rtl/inc/Makefile.rtl | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/rtl/inc/Makefile.rtl b/rtl/inc/Makefile.rtl
index e548a5fdbf..1e91e6ae0a 100644
--- a/rtl/inc/Makefile.rtl
+++ b/rtl/inc/Makefile.rtl
@@ -594,6 +594,10 @@ ifndef NSSYSUTILSDIR
 NSSYSUTILSDIR=$(NSDIR)/$(SYSUTILSDIR)
 endif
 
+ifndef SYSTEMDIR
+SYSTEMDIR=$(OSDIR)
+endif
+
 ifndef CLASSESDIR
 CLASSESDIR=$(OSDIR)
 endif
@@ -674,7 +678,7 @@ endif
 
 # System
 
-$(SYSTEMUNIT)$(PPUEXT) : $(SYSTEMUNIT).$(SYSTEMUNITEXT) $(SYSDEPS)
+$(SYSTEMUNIT)$(PPUEXT) : $(SYSTEMDIR)/$(SYSTEMUNIT).$(SYSTEMUNITEXT) $(SYSDEPS)
         $(COMPILER) $(FPC_SYSTEM_OPT) -Us -Sg $<
 
 # uuchar