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-rw-r--r--os/ports/GCC/MSP430/rules.mk3
1 files changed, 2 insertions, 1 deletions
diff --git a/os/ports/GCC/MSP430/rules.mk b/os/ports/GCC/MSP430/rules.mk
index 181feba88..81eb443eb 100644
--- a/os/ports/GCC/MSP430/rules.mk
+++ b/os/ports/GCC/MSP430/rules.mk
@@ -2,6 +2,7 @@
# Automatic compiler options
OPT = $(USE_OPT)
+COPT = $(USE_COPT)
CPPOPT = $(USE_CPPOPT)
ifeq ($(USE_CURRP_CACHING),yes)
OPT += -ffixed-r7 -DCH_CURRP_REGISTER_CACHE='"r7"'
@@ -33,7 +34,7 @@ LIBS = $(DLIBS) $(ULIBS)
MCFLAGS = -mmcu=$(MCU)
ODFLAGS = -x --syms
ASFLAGS = $(MCFLAGS) -Wa,-amhls=$(<:.s=.lst) $(ADEFS)
-CPFLAGS = $(MCFLAGS) $(OPT) $(WARN) -Wa,-alms=$(<:.c=.lst) $(DEFS)
+CPFLAGS = $(MCFLAGS) $(OPT) $(COPT) $(WARN) -Wa,-alms=$(<:.c=.lst) $(DEFS)
ifeq ($(LINK_GC),yes)
LDFLAGS = $(MCFLAGS) -T$(LDSCRIPT) -Wl,-Map=$(PROJECT).map,--cref,--no-warn-mismatch,--gc-sections $(LLIBDIR)
else