From 46d58e2b03e15a863aed8661b9ee922da4930a3e Mon Sep 17 00:00:00 2001
From: Mike Gilbert <floppym@gentoo.org>
Date: Mon, 30 May 2022 11:57:07 -0400
Subject: [PATCH 4/5] Inherit toolchain vars from environment

---
 mk/syslinux.mk | 36 ++++++++++++++++++------------------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/mk/syslinux.mk b/mk/syslinux.mk
index 593ff75f..91d984e8 100644
--- a/mk/syslinux.mk
+++ b/mk/syslinux.mk
@@ -37,7 +37,7 @@ ifdef DEBUG
 DEBUGOPT = -DDEBUG=$(DEBUG)
 endif
 
-NASM	 = nasm
+NASM	 ?= nasm
 NASMOPT  = -Ox $(DEBUGOPT)
 
 PERL	 = perl
@@ -46,29 +46,29 @@ UPX	 = upx
 
 CHMOD	 = chmod
 
-CC	 = gcc
+CC	 ?= gcc
 gcc_ok   = $(shell tmpf=gcc_ok.$$$$.tmp; \
 		   if $(CC) $(GCCOPT) $(1) -c $(topdir)/dummy.c \
 			-o $$tmpf 2>/dev/null ; \
 		   then echo '$(1)'; else echo '$(2)'; fi; \
 		   rm -f $$tmpf)
 
-LD	 = ld
-OBJDUMP	 = objdump
-OBJCOPY  = objcopy
-STRIP    = strip
-AR       = ar
-NM       = nm
-RANLIB   = ranlib
-STRIP	 = strip
-GZIPPROG = gzip
-XZ	 = xz
-PNGTOPNM = pngtopnm
-MCOPY    = mcopy
-MFORMAT  = mformat
-MKISOFS  = mkisofs
-SED	 = sed
-WGET	 = wget
+LD	 ?= ld
+OBJDUMP	 ?= objdump
+OBJCOPY  ?= objcopy
+STRIP    ?= strip
+AR       ?= ar
+NM       ?= nm
+RANLIB   ?= ranlib
+STRIP	 ?= strip
+GZIPPROG ?= gzip
+XZ	 ?= xz
+PNGTOPNM ?= pngtopnm
+MCOPY    ?= mcopy
+MFORMAT  ?= mformat
+MKISOFS  ?= mkisofs
+SED	 ?= sed
+WGET	 ?= wget
 
 com32    = $(topdir)/com32
 
-- 
2.35.1