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-rw-r--r--src/stm/Makefile.defs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/stm/Makefile.defs b/src/stm/Makefile.defs
index 0710d747..b1998f93 100644
--- a/src/stm/Makefile.defs
+++ b/src/stm/Makefile.defs
@@ -10,7 +10,7 @@ vpath ao-make-product.5c ../util
.SUFFIXES: .elf .ihx
.elf.ihx:
- objcopy -O ihex $*.elf $@
+ $(ELFTOHEX) --output=$@ $*.elf
ifndef TOPDIR
TOPDIR=..
@@ -30,6 +30,7 @@ STM_CFLAGS=-std=gnu99 -mlittle-endian -mcpu=cortex-m3 -mthumb -ffreestanding -no
LDFLAGS=-L../stm -Wl,-Taltos.ld
NICKLE=nickle
+ELFTOHEX=$(TOPDIR)/../ao-tools/ao-elftohex/ao-elftohex
V=0
# The user has explicitly enabled quiet compilation.