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build system: Changes for xc32 compiler #1264

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merged 1 commit into from Dec 31, 2021
Merged

build system: Changes for xc32 compiler #1264

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4 changes: 3 additions & 1 deletion examples/make.mk
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Expand Up @@ -54,6 +54,8 @@ endif
#-------------- Cross Compiler ------------
# Can be set by board, default to ARM GCC
CROSS_COMPILE ?= arm-none-eabi-
# Allow for -Os to be changed by board makefiles in case -Os is not allowed
CFLAGS_OPTIMIZED ?= -Os

CC = $(CROSS_COMPILE)gcc
CXX = $(CROSS_COMPILE)g++
Expand Down Expand Up @@ -112,7 +114,7 @@ CFLAGS += \
ifeq ($(DEBUG), 1)
CFLAGS += -Og
else
CFLAGS += -Os
CFLAGS += $(CFLAGS_OPTIMIZED)
endif

# Log level is mapped to TUSB DEBUG option
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10 changes: 8 additions & 2 deletions examples/rules.mk
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Expand Up @@ -12,8 +12,10 @@ ifeq (,$(findstring $(FAMILY),esp32s2 esp32s3 rp2040))
# Compiler Flags
# ---------------------------------------

LIBS_GCC ?= -lgcc -lm -lnosys

# libc
LIBS += -lgcc -lm -lnosys
LIBS += $(LIBS_GCC)

ifneq ($(BOARD), spresense)
LIBS += -lc
Expand Down Expand Up @@ -49,7 +51,11 @@ ifeq ($(NO_LTO),1)
CFLAGS := $(filter-out -flto,$(CFLAGS))
endif

LDFLAGS += $(CFLAGS) -Wl,-T,$(TOP)/$(LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections
ifneq ($(LD_FILE),)
LDFLAGS_LD_FILE ?= -Wl,-T,$(TOP)/$(LD_FILE)
endif

LDFLAGS += $(CFLAGS) $(LDFLAGS_LD_FILE) -Wl,-Map=$@.map -Wl,-cref -Wl,-gc-sections
ifneq ($(SKIP_NANOLIB), 1)
LDFLAGS += -specs=nosys.specs -specs=nano.specs
endif
Expand Down