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-rw-r--r--makefiles/toolchain_gnu-arm-eabi.mk2
1 files changed, 1 insertions, 1 deletions
diff --git a/makefiles/toolchain_gnu-arm-eabi.mk b/makefiles/toolchain_gnu-arm-eabi.mk
index 99c2776fd..3f4d3371a 100644
--- a/makefiles/toolchain_gnu-arm-eabi.mk
+++ b/makefiles/toolchain_gnu-arm-eabi.mk
@@ -50,7 +50,7 @@ OBJDUMP = $(CROSSDEV)objdump
# XXX this is pulled pretty directly from the fmu Make.defs - needs cleanup
-MAXOPTIMIZATION = -O3
+MAXOPTIMIZATION ?= -O3
# Base CPU flags for each of the supported architectures.
#