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RIOT/makefiles/toolchain/gnu.inc.mk
Martine Lenders 212933f080
toolchain/gnu.inc.mk: don't check version if CC is not installed
With b30efeeb65 a warning was introduced when using `make term` without
the proper toolchain installed (e.g. when using BUILD_IN_DOCKER, but
`term` outside of the docker). This removes this warning
2023-01-13 11:45:04 +01:00

35 lines
1.1 KiB
Makefile

CC = $(PREFIX)gcc
CXX = $(PREFIX)g++
CCAS ?= $(CC)
ifeq ($(LTO),1)
AR = $(PREFIX)gcc-ar
RANLIB = $(PREFIX)gcc-ranlib
else
AR = $(PREFIX)ar
RANLIB = $(PREFIX)ranlib
endif
AS = $(PREFIX)as
NM = $(PREFIX)nm
LINK = $(PREFIX)gcc
LINKXX = $(PREFIX)g++
SIZE = $(PREFIX)size
_OBJCOPY := $(shell command -v $(PREFIX)objcopy || command -v gobjcopy || command -v objcopy)
OBJCOPY ?= $(_OBJCOPY)
ifeq ($(OBJCOPY),)
$(warning objcopy not found. Hex file will not be created.)
OBJCOPY = true
endif
# Default to the native (g)objdump, helps when using toolchain from docker
_OBJDUMP := $(or $(shell command -v $(PREFIX)objdump || command -v gobjdump),objdump)
OBJDUMP ?= $(_OBJDUMP)
GCC_VERSION := $(shell command -v $(CC) > /dev/null && $(CC) -dumpversion | cut -d . -f 1)
# -fmacro-prefix-map requires GCC 8
ifneq (8, $(firstword $(shell echo 8 $(GCC_VERSION) | tr ' ' '\n' | sort -n)))
OPTIONAL_CFLAGS_BLACKLIST += -fmacro-prefix-map=$(RIOTBASE)/=
endif
# We use GDB for debugging
include $(RIOTMAKE)/tools/gdb.inc.mk