mirror of
https://github.com/RIOT-OS/RIOT.git
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57 lines
2.1 KiB
Makefile
57 lines
2.1 KiB
Makefile
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ifeq (, $(NEWLIB_BASE))
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NEWLIB_BASE := $(RIOTBASE)/toolchain/x86/i586-none-elf
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ifneq (0, $(shell test -e "$(NEWLIB_BASE)/lib/libc.a" && echo $$?))
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NEWLIB_PRECOMPILED_NAME := i586-newlib_2.1.0_tlsf.txz
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NEWLIB_PRECOMPILED := http://download.riot-os.org/$(NEWLIB_PRECOMPILED_NAME)
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$(warning "Precompiled newlib is missing in $(NEWLIB_BASE)")
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$(warning "Downloading from $(NEWLIB_PRECOMPILED)")
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$(shell cd $(RIOTBASE) && wget -qO- "$(NEWLIB_PRECOMPILED)" | tar xJ)
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endif
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endif
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ifeq (,$(BUILD_INCLUDE_BASE))
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GCC_BUILD_TRIPLET ?= $(shell gcc -dumpmachine)
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GCC_BUILD_VERSION ?= $(shell gcc -dumpversion)
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BUILD_INCLUDE_BASE = /usr/lib/gcc/$(GCC_BUILD_TRIPLET)/$(GCC_BUILD_VERSION)
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ifeq (,$(shell echo $(GCC_BUILD_TRIPLET) | sed -e 's,-.*,,' | grep -e '\(x\|i[3-7]\)86'))
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$(warning Your build machine is a(n) $(GCC_BUILD_TRIPLET).)
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$(warning Since this is not IA32 compatible, you must set BUILD_INCLUDE_BASE explicitly!)
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endif
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endif
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export INCLUDES += -isystem $(BUILD_INCLUDE_BASE)/include \
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-isystem $(NEWLIB_BASE)/include \
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-isystem $(NEWLIB_BASE)/sys-include \
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-isystem $(BUILD_INCLUDE_BASE)/include-fixed \
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-I$(RIOTBOARD)/x86-multiboot-common/include
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export CPU = x86
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# toolchain config
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export CC ?= $(PREFIX)gcc
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export AR ?= $(PREFIX)ar
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export AS ?= $(PREFIX)as
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export RANLIB ?= $(PREFIX)ranlib
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export LINK ?= $(RIOTBASE)/boards/x86-multiboot-common/dist/link $(PREFIX)gcc
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export SIZE ?= $(PREFIX)size
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export OBJCOPY ?= $(PREFIX)objcopy
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export CFLAGS += -m32 -mfpmath=387 -ffreestanding -nostdlib -nostdinc -fno-builtin
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export OFLAGS = -O binary
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LINKFLAGS += -m32 -nostdlib -nostdinc -nostartfiles -nodefaultlibs \
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--prefix=$(NEWLIB_BASE) \
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-Wl,-rpath,$(NEWLIB_BASE)/lib \
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-T $(RIOTBASE)/boards/x86-multiboot-common/linker.ld
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UNDEF += $(BINDIR)x86-multiboot-common_base/startup.o
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#CFLAGS += -ffunction-sections -fdata-sections
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#LINKFLAGS += -Wl,--gc-sections
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#CFLAGS += -Wall -Wextra -Werror -pedantic -pedantic-errors \
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BASELIBS += $(NEWLIB_BASE)/lib/libc.a \
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$(NEWLIB_BASE)/lib/libm.a
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