Use dd instead of non-POSIX head(1) options to trim bootroms.
@@ -315,7 +315,7 @@ $(BIN)/BootROMs/%.bin: BootROMs/%.asm
-@$(MKDIR) -p $(dir $@)
cd BootROMs && rgbasm -o ../$@.tmp ../$<
rgblink -o $@.tmp2 $@.tmp
- head -c $(if $(findstring dmg,$@)$(findstring sgb,$@), 256, 2304) $@.tmp2 > $@
+ dd if=$@.tmp2 of=$@ count=1 bs=$(if $(findstring dmg,$@)$(findstring sgb,$@),256,2304)
@rm $@.tmp $@.tmp2
# Libretro Core (uses its own build system)
