From fe6a2b5f13d1a938e6e1d5980b27682bd47407d2 Mon Sep 17 00:00:00 2001
From: Karl Palsson <karlp@etactica.com>
Date: Fri, 8 Jun 2018 09:53:09 +0000
Subject: [PATCH] make clean: avoid bashisms in favour of posixy forms.

Got a little too clever.
---
 examples/rules.mk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/examples/rules.mk b/examples/rules.mk
index 948cd70..4e730ed 100644
--- a/examples/rules.mk
+++ b/examples/rules.mk
@@ -152,6 +152,7 @@ bin: $(BINARY).bin
 hex: $(BINARY).hex
 srec: $(BINARY).srec
 list: $(BINARY).list
+GENERATED_BINARIES=$(BINARY).elf $(BINARY).bin $(BINARY).hex $(BINARY).srec $(BINARY).list $(BINARY).map
 
 images: $(BINARY).images
 flash: $(BINARY).flash
@@ -210,7 +211,7 @@ print-%:
 
 clean:
 	@#printf "  CLEAN\n"
-	$(Q)$(RM) $(BINARY).{elf,bin,hex,srec,list,map} *.map generated.* $(OBJS) $(OBJS:%.o=%.d)
+	$(Q)$(RM) $(GENERATED_BINARIES) generated.* $(OBJS) $(OBJS:%.o=%.d)
 
 stylecheck: $(STYLECHECKFILES:=.stylecheck)
 styleclean: $(STYLECHECKFILES:=.styleclean)