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BINUTILS_VER=2.22
BINUTILS_URL=http://mirrors.kernel.org/gnu/binutils/binutils-$(BINUTILS_VER).tar.bz2
BINUTILS_TAR=binutils-$(BINUTILS_VER).tar.bz2
NEWLIB_VER=1.20.0
NEWLIB_URL=ftp://sources.redhat.com/pub/newlib/newlib-$(NEWLIB_VER).tar.gz
NEWLIB_TAR=newlib-$(NEWLIB_VER).tar.gz
GCC_VER=4.7.1
GCC_URL=http://mirrors.kernel.org/gnu/gcc/gcc-$(GCC_VER)/gcc-$(GCC_VER).tar.bz2
GCC_TAR=gcc-$(GCC_VER).tar.bz2
BASEDIR=$(shell pwd)
define checksum
@if grep -q ' $(subst .,\.,$(1))$$' SHA256SUMS; then \
grep ' $(subst .,\.,$(1))$$' SHA256SUMS | sha256sum -c; \
else \
echo "WARNING: no checksum defined for $(1)"; \
fi
endef
all: gcc
src/$(BINUTILS_TAR):
wget -P src $(BINUTILS_URL)
$(call checksum,$@)
src/$(NEWLIB_TAR):
wget -P src $(NEWLIB_URL)
$(call checksum,$@)
src/$(GCC_TAR):
wget -P src $(GCC_URL)
$(call checksum,$@)
src/binutils-$(BINUTILS_VER): src/$(BINUTILS_TAR)
tar -C src -xjf $<
src/newlib-$(NEWLIB_VER): src/$(NEWLIB_TAR)
tar -C src -xzf $<
src/gcc-$(GCC_VER): src/$(GCC_TAR) src/newlib-$(NEWLIB_VER)
tar -C src -xjf $<
ln -s $(BASEDIR)/src/newlib-$(NEWLIB_VER)/newlib $@
ln -s $(BASEDIR)/src/newlib-$(NEWLIB_VER)/libgloss $@
binutils: src/binutils-$(BINUTILS_VER)
mkdir -p build/binutils
cd build/binutils; \
$(BASEDIR)/$</configure --target=sh-elf --prefix=$(BASEDIR)/inst; \
$(MAKE) -j3; \
$(MAKE) install
gcc: src/gcc-$(GCC_VER) binutils
mkdir -p build/gcc
cd build/gcc; \
$(BASEDIR)/$</configure --target=sh-elf --prefix=$(BASEDIR)/inst -enable-languages=c --without-pkgversion --with-newlib; \
$(MAKE) -j3; \
$(MAKE) install
clean:
rm -rf build inst
distclean: clean
rm -rf src
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