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Makefile
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Makefile
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# Refer to the README file to understand how Fedora on RISC-V is
# bootstrapped.
# Absolute path to the current directory.
ROOT := $(shell pwd)
# Add host tools to the path.
PATH := $(ROOT)/host-tools/bin:$(PATH)
all: stage1 stage2 stage3 stage4
clean:
find -name '*~' -delete
rm -f stamp-*
rm -rf host-tools
rm -f riscv-linux/vmlinux
rm -rf stage3-chroot
rm -f $(STAGE3_DISK)
rm -f stage4-disk.img
#----------------------------------------------------------------------
# Stage 1
# riscv-qemu qemu-upstream-v8
RISCV_QEMU_COMMIT = b6e0a38a922005d4015e2fdb42e8a783b3cc8e41
RISCV_QEMU_SHORTCOMMIT = b6e0a38a
RISCV_QEMU_VERSION = 2.11.50
RISCV_QEMU_RELEASE = 0.10
stage1: stage1-riscv-qemu/riscv-qemu-$(RISCV_QEMU_SHORTCOMMIT).tar.gz \
stage1-riscv-qemu/keycodemapdb.tar.gz \
stage1-riscv-qemu/riscv-qemu.spec \
stage1-riscv-qemu/riscv-qemu-$(RISCV_QEMU_VERSION)-$(RISCV_QEMU_RELEASE).git$(RISCV_QEMU_SHORTCOMMIT).fc28.src.rpm \
stamp-riscv-qemu-installed
stage1-riscv-qemu/riscv-qemu-$(RISCV_QEMU_SHORTCOMMIT).tar.gz:
rm -f $@ $@-t
wget -O $@-t 'https://github.com/riscv/riscv-qemu/archive/$(RISCV_QEMU_COMMIT)/riscv-qemu-$(RISCV_QEMU_SHORTCOMMIT).tar.gz'
mv $@-t $@
# UGH
stage1-riscv-qemu/keycodemapdb.tar.gz:
rm -f $@ $@-t
wget -O $@-t 'https://git.qemu.org/?p=keycodemapdb.git;a=snapshot;h=a8bc2f6ec822491c2b816314352a9ae459456ec9;sf=tgz'
mv $@-t $@
stage1-riscv-qemu/riscv-qemu.spec: stage1-riscv-qemu/riscv-qemu.spec.in
rm -f $@
sed -e 's/@COMMIT@/$(RISCV_QEMU_COMMIT)/g' \
-e 's/@SHORTCOMMIT@/$(RISCV_QEMU_SHORTCOMMIT)/g' \
-e 's/@VERSION@/$(RISCV_QEMU_VERSION)/g' \
-e 's/@RELEASE@/$(RISCV_QEMU_RELEASE)/g' \
< $^ > $@-t
mv $@-t $@
stage1-riscv-qemu/riscv-qemu-$(RISCV_QEMU_VERSION)-$(RISCV_QEMU_RELEASE).git$(RISCV_QEMU_SHORTCOMMIT).fc28.src.rpm: stage1-riscv-qemu/riscv-qemu.spec
cd stage1-riscv-qemu && \
rpmbuild -bs --define "_sourcedir $(ROOT)/stage1-riscv-qemu" --define "_srcrpmdir $(ROOT)/stage1-riscv-qemu" riscv-qemu.spec
stamp-riscv-qemu-installed:
rm -f $@
@rpm -q riscv-qemu >/dev/null || { \
echo "ERROR: You must install riscv-qemu:"; \
echo; \
echo " dnf copr enable rjones/riscv"; \
echo " dnf install riscv-qemu"; \
echo; \
echo "OR: you can build it yourself from the stage1-riscv-qemu directory."; \
echo; \
exit 1; \
}
@qemu-system-riscv64 --version || { \
echo "ERROR: qemu-system-riscv is not working."; \
echo "Make sure you installed the riscv-qemu package."; \
exit 1; \
}
touch $@
#----------------------------------------------------------------------
# Stage 2
stage2: stage2-cross-tools/configure \
stage2-cross-tools/linux-headers/include/asm/auxvec.h \
host-tools/bin/riscv64-unknown-linux-gnu-gcc
stage2-cross-tools/configure:
cd stage2-cross-tools && autoconf
stage2-cross-tools/linux-headers/include/asm/auxvec.h:
cd riscv-linux && \
make headers_install \
ARCH=riscv \
INSTALL_HDR_PATH=$(ROOT)/stage2-cross-tools/linux-headers
host-tools/bin/riscv64-unknown-linux-gnu-gcc:
rm -f host-tools/bin/riscv64-unknown-linux-gnu-*
-make -C stage2-cross-tools clean
export GLIBC_TARGET_FLAGS_EXTRA="--enable-obsolete-nsl --enable-obsolete-rpc"; \
cd stage2-cross-tools && \
./configure --prefix=$(ROOT)/host-tools
export GLIBC_TARGET_FLAGS_EXTRA="--enable-obsolete-nsl --enable-obsolete-rpc"; \
cd stage2-cross-tools && \
$(MAKE) linux
# The versions of riscv64-unknown-linux-{gcc,g++} built above
# are (possibly) broken in that they require an explicit --sysroot
# parameter.
#
# Work around that using a wrapper.
#
# Note this should only be used when building stage3.
cd host-tools/bin && \
for f in gcc g++; do \
t=riscv64-unknown-linux-gnu-$$f; \
mv $$t $$t.real; \
echo $(ROOT)/host-tools/bin/$$t.real --sysroot=$(ROOT)/stage3-chroot '"$$@"' > $$t; \
chmod 0755 $$t; \
done
cd host-tools/bin && \
ln -sf riscv64-unknown-linux-gnu-gcc riscv64-unknown-linux-gnu-cc
cd host-tools/bin && \
ln -sf riscv64-unknown-linux-gnu-g++ riscv64-unknown-linux-gnu-c++
#----------------------------------------------------------------------
# Stage 3
# You can set STAGE3_DISK in your environment in order to
# use multiple disks for doing builds of different packages
# in parallel. eg.
# export STAGE3_DISK=systemd-disk.img
# make stage3 # builds systemd-disk.img
# make boot-stage3-in-qemu # boots systemd-disk.img
STAGE3_DISK ?= stage3-disk.img
# The root packages (plus their dependencies) that we want to in the
# stage 3 chroot. This must include all the cross-compiled packages
# below, and may also include any noarch package we like.
STAGE3_PACKAGES = iso-codes \
ncurses-devel readline-devel bash coreutils gmp-devel \
mpfr-devel libmpc-devel binutils gcc gcc-c++ util-linux tar \
gzip zlib-devel file-devel popt-devel beecrypt-devel \
rpm rpm-build rpm-devel libdb-utils libdb-devel nano \
grep less strace bzip2-devel make diffutils findutils \
sed patch hostname gettext-devel lua-devel xz-devel gawk \
vim screen m4 flex bison autoconf automake elfutils \
git
# Versions of cross-compiled packages.
NCURSES_VERSION = 6.0-20171216
READLINE_VERSION = 6.3
BASH_VERSION = 4.3
COREUTILS_VERSION = 8.25
GMP_VERSION = 6.1.2
MPFR_VERSION = 3.1.6
MPC_VERSION = 1.0.3
UTIL_LINUX_VERSION = 2.31
TAR_VERSION = 1.29
GZIP_VERSION = 1.8
ZLIB_VERSION = 1.2.11
# Needs to match the version of 'file' installed (on host), otherwise:
# "Cannot use the installed version of file (xx) to cross-compile file yy"
# Also note that 5.25 is definitely broken (segfaults in libmagic:magic_close).
FILE_VERSION = 5.32
POPT_VERSION = 1.16
BEECRYPT_VERSION = 4.2.1
RPM_COMMIT = b22f9609d82625ec451d48515d6d318c5bf72d83
RPM_SHORT_COMMIT = b22f9609
BDB_VERSION = 4.5.20
NANO_VERSION = 2.6.2
GREP_VERSION = 2.25
LESS_VERSION = 481
STRACE_COMMIT = 4b69c4736cb9b44e0bd7bef16f7f8602b5d2f113
STRACE_SHORT_COMMIT = 4b69c473
BZIP2_VERSION = 1.0.6
MAKE_VERSION = 4.2.1
DIFFUTILS_VERSION = 3.6
FINDUTILS_VERSION = 4.6.0
SED_VERSION = 4.2
PATCH_VERSION = 2.7.5
HOSTNAME_VERSION = 3.18
GETTEXT_VERSION = 0.19.8
LUA_VERSION = 5.3.4
XZ_VERSION = 5.2.2
GAWK_VERSION = 4.1.3
VIM_VERSION = 7.4
SCREEN_VERSION = 4.4.0
M4_VERSION = 1.4.17
FLEX_VERSION = 2.6.0
BISON_VERSION = 3.0.4
AUTOCONF_VERSION = 2.69
AUTOMAKE_VERSION = 1.15
PERL_VERSION = 5.24.0
PERL_CROSS_VERSION = 1.0.3
ELFUTILS_VERSION = 0.170
GIT_VERSION = 2.9.3
JSONCPP_VERSION = 1.7.4
# There is no Tiny DNF (tdnf) RPM in Fedora, so we build our own
# starting from this version:
TDNF_VERSION = 1.0.9
stage3: riscv-linux/vmlinux \
stage3-chroot-original/etc/fedora-release \
stage3-chroot/etc/fedora-release \
stage3-chroot/lib64/libc.so.6 \
stage3-chroot/usr/include/asm/ptrace.h \
host-tools/riscv64-unknown-elf/bin/bbl \
stage3-chroot/usr/bin/tic \
stage3-chroot/usr/lib64/libhistory.so.6 \
stage3-chroot/bin/bash \
stage3-chroot/bin/ls \
stage3-chroot/usr/lib64/libgmp.so.10 \
stage3-chroot/usr/lib64/libmpfr.so.4 \
stage3-chroot/usr/lib64/libmpc.so.3 \
stage3-chroot/usr/bin/as \
stage3-chroot/usr/bin/gcc \
stage3-chroot/usr/lib64/libstdc++.so \
stage3-chroot/usr/lib64/libgomp.so \
stage3-chroot/usr/lib64/libatomic.so \
stage3-chroot/usr/bin/mount \
stage3-chroot/usr/bin/tar \
stage3-chroot/usr/bin/gzip \
stage3-chroot/usr/lib64/libz.so \
stage3-chroot/usr/bin/file \
stage3-chroot/usr/lib64/libpopt.so \
stage3-chroot/usr/lib64/libbeecrypt.so \
stage3-chroot/usr/bin/nano \
stage3-chroot/usr/bin/grep \
stage3-chroot/usr/bin/less \
stage3-chroot/usr/bin/strace \
stage3-chroot/usr/bin/bzip2 \
stage3-chroot/usr/bin/make \
stage3-chroot/usr/bin/diff \
stage3-chroot/usr/bin/find \
stage3-chroot/usr/bin/sed \
stage3-chroot/usr/bin/patch \
stage3-chroot/usr/bin/hostname \
stage3-chroot/usr/bin/gettext \
stage3-chroot/usr/bin/lua \
stage3-chroot/usr/bin/xz \
stage3-chroot/usr/bin/eu-readelf \
stage3-chroot/usr/bin/rpm \
stage3-chroot/usr/bin/gawk \
stage3-chroot/usr/bin/vim \
stage3-chroot/usr/bin/screen \
stage3-chroot/usr/bin/m4 \
stage3-chroot/usr/bin/flex \
stage3-chroot/usr/bin/bison \
stage3-chroot/usr/bin/poweroff \
stage3-chroot/usr/bin/autoconf \
stage3-chroot/usr/bin/automake \
stage3-chroot/usr/bin/perl \
stage3-chroot/usr/bin/git \
stage3-chroot/usr/lib64/libjsoncpp.so \
stage3-chroot/etc/profile.d/aliases.sh \
stage3-chroot/usr/lib/rpm/config.guess \
stage3-chroot/usr/lib/rpm/config.sub \
stage3-chroot/etc/ld.so.conf.d/lib64.conf \
stage3-chroot/etc/resolv.conf \
stage3-chroot/rpmbuild \
stage3-chroot/rpmbuild/RPMS/noarch/kernel-headers-4.15-1.fc27.noarch.rpm \
stage3-tdnf/tdnf-$(TDNF_VERSION)-2.fc27.src.rpm \
stage3-chroot/etc/yum.repos.d/local.repo \
stage3-chroot/usr/lib/libtinfo.so.6 \
$(STAGE3_DISK)
riscv-linux/vmlinux: riscv-linux/arch/riscv/include/asm/serial.h riscv-linux/.config
cd riscv-linux && \
$(MAKE) ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- vmlinux
cd riscv-linux && \
$(MAKE) ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- headers_install INSTALL_HDR_PATH=$(ROOT)/stage3-chroot/usr
ls -l $@
# See https://github.com/riscv/riscv-qemu/commit/039dbd521277bc0aab672203a1a199e4519094da
riscv-linux/arch/riscv/include/asm/serial.h: asm-serial.h
rm -f $@
cp asm-serial.h riscv-linux/arch/riscv/include/asm/serial.h
riscv-linux/.config: kernel-config
rm -f $@
cd riscv-linux && \
$(MAKE) ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- defconfig
cat $< >> $@
cd riscv-linux && \
$(MAKE) ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- olddefconfig
# Build the bbl with embedded kernel.
host-tools/riscv64-unknown-elf/bin/bbl: riscv-linux/vmlinux
rm -rf riscv-pk/build
mkdir -p riscv-pk/build
cd riscv-pk/build && \
RISCV=$(ROOT)/host-tools \
../configure --prefix=$(ROOT)/host-tools --host=riscv64-unknown-linux-gnu --with-payload=$(ROOT)/$<
cd riscv-pk/build && \
RISCV=$(ROOT)/host-tools \
$(MAKE)
cd riscv-pk/build && \
RISCV=$(ROOT)/host-tools \
$(MAKE) install
# Build the phony kernel-headers RPM.
stage3-chroot/rpmbuild/RPMS/noarch/kernel-headers-4.15-1.fc27.noarch.rpm: riscv-linux/vmlinux
rm -rf kernel-headers
mkdir -p kernel-headers/usr
cd riscv-linux && \
make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- headers_install INSTALL_HDR_PATH=$(ROOT)/kernel-headers/usr
sed -e 's,@ROOT@,$(ROOT),g' < kernel-headers.spec.in > kernel-headers.spec
mkdir -p stage3-chroot/rpmbuild/RPMS/noarch
rpmbuild -ba kernel-headers.spec --define "_topdir $(ROOT)/stage3-chroot/rpmbuild"
rm -rf kernel-headers
# Tiny DNF, not in Fedora.
stage3-tdnf/tdnf-$(TDNF_VERSION)-2.fc27.src.rpm: stage3-tdnf/tdnf.spec stage3-tdnf/tdnf-$(TDNF_VERSION).tar.gz
rm -f $@
cd stage3-tdnf && rpmbuild -bs --define "_sourcedir `pwd`" --define "_srcrpmdir `pwd`" tdnf.spec
stage3-tdnf/tdnf.spec: stage3-tdnf/tdnf.spec.in
rm -f $@ $@-t
sed 's/@TDNF_VERSION@/$(TDNF_VERSION)/g' < $^ > $@-t
mv $@-t $@
stage3-tdnf/tdnf-$(TDNF_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://github.com/vmware/tdnf/archive/v$(TDNF_VERSION).tar.gz
mv $@-t $@
# Build an original (x86-64) chroot using supermin. We then aim to
# rebuild (using cross-compiled versions) every ELF binary in this
# chroot.
stage3-chroot-original/etc/fedora-release:
rm -rf stage3-chroot-original-t stage3-chroot-original tmp-supermin.d
supermin -v --prepare $(STAGE3_PACKAGES) -o tmp-supermin.d
supermin -v --build -f chroot tmp-supermin.d -o stage3-chroot-original-t
rm -r tmp-supermin.d
mv stage3-chroot-original-t stage3-chroot-original
@echo -n "Total files in chroot: "
@find stage3-chroot-original -type f | wc -l
@echo -n "ELF files to be rebuilt: "
@find stage3-chroot-original -type f | xargs file -N | grep -E '\bELF.*LSB\b' | wc -l
# Copy the original chroot to the final chroot, remove all the ELF
# files.
stage3-chroot/etc/fedora-release: stage3-chroot-original/etc/fedora-release
rm -rf stage3-chroot-t stage3-chroot
cp -a stage3-chroot-original stage3-chroot-t
find stage3-chroot-t -type d -print0 | xargs -0 chmod u+w
find stage3-chroot-t -type f -print0 | xargs -0 chmod u+w
find stage3-chroot-t -type f -print0 | xargs -0 file -N | grep -E '\bELF.*LSB\b' | awk -F: '{print $$1}' | xargs rm -f
rm -f stage3-chroot-t/lib64/libc.so.6
mv stage3-chroot-t stage3-chroot
rm -f stage3-chroot/usr/include/asm/ptrace.h
# Copy in compiled glibc from the stage2-cross-tools sysroot. Only
# copy files and symlinks, leave the target directory structure
# intact.
stage3-chroot/lib64/libc.so.6:
mkdir -p stage3-chroot/usr/lib/audit
mkdir -p stage3-chroot/usr/lib/gconv
mkdir -p stage3-chroot/usr/lib/ldscripts
mkdir -p stage3-chroot/usr/include/rpcsvc
for f in `cd host-tools/sysroot && find -type f -o -type l`; do \
cp -d host-tools/sysroot/$$f stage3-chroot/$$f; \
done
cd stage3-chroot/lib64 && for f in ../lib/*; do ln -sf $$f; done
rm -f stage3-chroot/usr/include/asm/ptrace.h
# Copy in the correct Linux header files.
stage3-chroot/usr/include/asm/ptrace.h: riscv-linux/vmlinux
cd riscv-linux && \
make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- headers_install INSTALL_HDR_PATH=$(ROOT)/stage3-chroot/usr
# Cross-compile ncurses.
stage3-chroot/usr/bin/tic: ncurses-$(NCURSES_VERSION).tgz
tar zxf $^
cd ncurses-$(NCURSES_VERSION) && \
./configure --host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--with-shared \
--with-termlib=tinfo \
--enable-widec
cd ncurses-$(NCURSES_VERSION) && $(MAKE)
cd ncurses-$(NCURSES_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
ncurses-$(NCURSES_VERSION).tgz:
rm -f $@ $@-t
wget -O $@-t https://invisible-mirror.net/archives/ncurses/current/ncurses-$(NCURSES_VERSION).tgz
mv $@-t $@
# Cross-compile readline.
stage3-chroot/usr/lib64/libhistory.so.6: readline-$(READLINE_VERSION).tar.gz
rm -rf readline-$(READLINE_VERSION)
tar zxf $^
cd readline-$(READLINE_VERSION) && \
bash_cv_wcwidth_broken=no \
./configure --host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd readline-$(READLINE_VERSION) && $(MAKE)
cd readline-$(READLINE_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
rm -f stage3-chroot/usr/lib64/*.la
readline-$(READLINE_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t ftp://ftp.gnu.org/gnu/readline/readline-$(READLINE_VERSION).tar.gz
mv $@-t $@
# Cross-compile bash.
stage3-chroot/bin/bash: bash-$(BASH_VERSION).tar.gz
rm -rf bash-$(BASH_VERSION)
tar zxf $^
cd bash-$(BASH_VERSION) && \
./configure --host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd bash-$(BASH_VERSION) && $(MAKE)
cd bash-$(BASH_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
bash-$(BASH_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t ftp://ftp.gnu.org/gnu/bash/bash-$(BASH_VERSION).tar.gz
mv $@-t $@
# Cross-compile coreutils. Bleah, coreutils cross-compilation is
# known-broken and upstream don't care, hence the 'touch' command.
COREUTILS_PROGRAMS = arch base32 base64 basename cat chcon chgrp chmod chown chroot cksum comm cp csplit cut date dd df dir dircolors dirname du echo env expand expr factor false fmt fold ginstall groups head hostid hostname id install join kill link ln logname ls md5sum mkdir mkfifo mknod mktemp mv nice nl nohup nproc numfmt od paste pathchk pinky pr printenv printf ptx pwd readlink realpath rm rmdir runcon seq sha1sum sha224sum sha256sum sha384sum sha512sum shred shuf sleep sort split stat stdbuf stty sum sync tac tail tee test timeout touch tr true truncate tsort tty uname unexpand uniq unlink uptime users vdir wc who whoami yes
stage3-chroot/bin/ls: coreutils-$(COREUTILS_VERSION).tar.xz
rm -rf coreutils-$(COREUTILS_VERSION)
tar Jxf $^
cd coreutils-$(COREUTILS_VERSION) && \
./configure --host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
-cd coreutils-$(COREUTILS_VERSION) && make -j1 -k
cd coreutils-$(COREUTILS_VERSION)/man && \
for f in $(COREUTILS_PROGRAMS); do touch $$f.1; done
cd coreutils-$(COREUTILS_VERSION) && $(MAKE)
cd coreutils-$(COREUTILS_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
coreutils-$(COREUTILS_VERSION).tar.xz:
rm -f $@ $@-t
wget -O $@-t ftp://ftp.gnu.org/gnu/coreutils/coreutils-$(COREUTILS_VERSION).tar.xz
mv $@-t $@
# Cross-compile binutils.
stage3-chroot/usr/bin/as:
# We want to patch this tree so we have to make a copy.
rm -rf binutils-gdb
cp -a stage2-cross-tools/binutils-gdb binutils-gdb
rm -rf binutils-gdb/build-x
mkdir binutils-gdb/build-x
cd binutils-gdb/build-x && \
../configure \
--host=riscv64-unknown-linux-gnu \
--target=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 --disable-werror
cd binutils-gdb/build-x && \
$(MAKE)
cd binutils-gdb/build-x && \
make DESTDIR=$(ROOT)/stage3-chroot install
# Cross-compile GMP, MPFR and MPC (deps of GCC).
stage3-chroot/usr/lib64/libgmp.so.10: gmp-$(GMP_VERSION).tar.lz
rm -rf gmp-$(GMP_VERSION)
tar --lzip -xf gmp-$(GMP_VERSION).tar.lz
cd gmp-$(GMP_VERSION) && \
./configure --host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd gmp-$(GMP_VERSION) && $(MAKE)
cd gmp-$(GMP_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
gmp-$(GMP_VERSION).tar.lz:
rm -f $@ $@-t
wget -O $@-t https://gmplib.org/download/gmp/gmp-$(GMP_VERSION).tar.lz
mv $@-t $@
stage3-chroot/usr/lib64/libmpfr.so.4: mpfr-$(MPFR_VERSION).tar.gz
rm -rf mpfr-$(MPFR_VERSION)
tar -zxf mpfr-$(MPFR_VERSION).tar.gz
cd mpfr-$(MPFR_VERSION) && \
./configure --host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--with-gmp=$(ROOT)/stage3-chroot/usr
cd mpfr-$(MPFR_VERSION) && $(MAKE)
cd mpfr-$(MPFR_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
cd stage3-chroot/usr/lib && ln -s ../lib64/libmpfr.so
rm -f stage3-chroot/usr/lib64/*.la
mpfr-$(MPFR_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://www.mpfr.org/mpfr-current/mpfr-$(MPFR_VERSION).tar.gz
mv $@-t $@
stage3-chroot/usr/lib64/libmpc.so.3: mpc-$(MPC_VERSION).tar.gz
rm -rf mpc-$(MPC_VERSION)
tar -zxf mpc-$(MPC_VERSION).tar.gz
cd mpc-$(MPC_VERSION) && \
./configure --host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--with-gmp=$(ROOT)/stage3-chroot/usr \
--with-mpfr=$(ROOT)/stage3-chroot/usr
cd mpc-$(MPC_VERSION) && $(MAKE)
cd mpc-$(MPC_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
cd stage3-chroot/usr/lib && ln -s ../lib64/libmpc.so
rm -f stage3-chroot/usr/lib64/*.la
mpc-$(MPC_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t ftp://ftp.gnu.org/gnu/mpc/mpc-$(MPC_VERSION).tar.gz
mv $@-t $@
# Cross-compile GCC.
stage3-chroot/usr/bin/gcc:
# We want to patch this tree so we have to make a copy.
rm -rf gcc
cp -a stage2-cross-tools/gcc gcc
cd gcc && \
patch -p1 < ../0001-HACKS-TO-GET-GCC-TO-COMPILE.patch
rm -rf gcc/build-x
mkdir gcc/build-x
cd gcc/build-x && \
gcc_cv_as_leb128=no \
../configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--enable-shared \
--enable-tls \
--enable-languages=c,c++ \
--disable-libmudflap \
--disable-libssp \
--disable-libquadmath \
--disable-nls \
--disable-multilib \
--enable-__cxa_atexit \
--disable-libunwind-exceptions \
--enable-gnu-unique-object \
--enable-linker-build-id \
--with-linker-hash-style=gnu \
--enable-initfini-array \
--disable-libgcj \
--with-gcc-major-version-only
cd gcc/build-x && \
gcc_cv_as_leb128=no \
$(MAKE)
cd gcc/build-x && \
make install DESTDIR=$(ROOT)/stage3-chroot
rm -f stage3-chroot/usr/lib64/*.la
# See next rule for why we do this ...
rm -f stage3-chroot/usr/lib64/libstdc++*
rm -f stage3-chroot/usr/lib64/libgomp*
rm -f stage3-chroot/usr/lib64/libatomic*
# libstdc++ isn't built correctly. I believe it installs an x86
# executable into /usr/lib64 and ignores the --libdir parameter
# entirely. Fix this mess.
stage3-chroot/usr/lib64/libstdc++.so: stage3-chroot/usr/bin/gcc
cd gcc/build-x/riscv64-unknown-linux-gnu/libstdc++-v3 && \
../../../libstdc++-v3/configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd gcc/build-x/riscv64-unknown-linux-gnu/libstdc++-v3 && \
make clean
cd gcc/build-x/riscv64-unknown-linux-gnu/libstdc++-v3 && \
$(MAKE)
cd gcc/build-x/riscv64-unknown-linux-gnu/libstdc++-v3 && \
make install DESTDIR=$(ROOT)/stage3-chroot
# libgomp isn't built correctly.
stage3-chroot/usr/lib64/libgomp.so: stage3-chroot/usr/bin/gcc
cd gcc/build-x/riscv64-unknown-linux-gnu/libgomp && \
../../../libgomp/configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd gcc/build-x/riscv64-unknown-linux-gnu/libgomp && \
make clean
cd gcc/build-x/riscv64-unknown-linux-gnu/libgomp && \
$(MAKE)
cd gcc/build-x/riscv64-unknown-linux-gnu/libgomp && \
make install DESTDIR=$(ROOT)/stage3-chroot
# We don't have cross-compiled libatomic for riscv64, but libgcc_s.so refers to symbols from this library
stage3-chroot/usr/lib64/libatomic.so: stage3-chroot/usr/bin/gcc
cd gcc/build-x/riscv64-unknown-linux-gnu/libatomic && \
../../../libatomic/configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd gcc/build-x/riscv64-unknown-linux-gnu/libatomic && \
make clean
cd gcc/build-x/riscv64-unknown-linux-gnu/libatomic && \
$(MAKE)
cd gcc/build-x/riscv64-unknown-linux-gnu/libatomic && \
make install DESTDIR=$(ROOT)/stage3-chroot
# Cross-compile util-linux.
stage3-chroot/usr/bin/mount: util-linux-$(UTIL_LINUX_VERSION).tar.xz
rm -rf util-linux-$(UTIL_LINUX_VERSION)
tar -Jxf $^
cd util-linux-$(UTIL_LINUX_VERSION) && \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--without-python \
--without-systemd \
--disable-makeinstall-chown \
--disable-eject \
--enable-static-programs=mount
cd util-linux-$(UTIL_LINUX_VERSION) && $(MAKE)
cd util-linux-$(UTIL_LINUX_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
rm -f stage3-chroot/usr/lib64/*.la
util-linux-$(UTIL_LINUX_VERSION).tar.xz:
rm -f $@ $@-t
wget -O $@-t https://www.kernel.org/pub/linux/utils/util-linux/v$(UTIL_LINUX_VERSION)/util-linux-$(UTIL_LINUX_VERSION).tar.xz
mv $@-t $@
# Cross-compile GNU tar.
stage3-chroot/usr/bin/tar: tar-$(TAR_VERSION).tar.xz
rm -rf tar-$(TAR_VERSION)
tar -Jxf $^
cd tar-$(TAR_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd tar-$(TAR_VERSION) && $(MAKE)
cd tar-$(TAR_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
tar-$(TAR_VERSION).tar.xz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/tar/tar-$(TAR_VERSION).tar.xz
mv $@-t $@
# Cross-compile GNU gzip.
stage3-chroot/usr/bin/gzip: gzip-$(GZIP_VERSION).tar.gz
rm -rf gzip-$(GZIP_VERSION)
tar -zxf $^
cd gzip-$(GZIP_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd gzip-$(GZIP_VERSION) && $(MAKE)
cd gzip-$(GZIP_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
gzip-$(GZIP_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/gzip/gzip-$(GZIP_VERSION).tar.gz
mv $@-t $@
# Cross-compile zlib.
stage3-chroot/usr/lib64/libz.so: zlib-$(ZLIB_VERSION).tar.gz
rm -rf zlib-$(ZLIB_VERSION)
tar -zxf $^
cd zlib-$(ZLIB_VERSION) && \
CC=riscv64-unknown-linux-gnu-gcc \
CFLAGS="-I$(ROOT)/stage3-chroot/usr/include -L$(ROOT)/stage3-chroot/usr/lib" \
./configure \
--prefix=/usr --libdir=/usr/lib64
cd zlib-$(ZLIB_VERSION) && $(MAKE) shared
cd zlib-$(ZLIB_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
zlib-$(ZLIB_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://zlib.net/zlib-$(ZLIB_VERSION).tar.gz
mv $@-t $@
# Cross-compile file/libmagic.
stage3-chroot/usr/bin/file: file-$(FILE_VERSION).tar.gz
rm -rf file-$(FILE_VERSION)
tar -zxf $^
cd file-$(FILE_VERSION) && \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--disable-static --enable-shared
cd file-$(FILE_VERSION) && $(MAKE) V=1
cd file-$(FILE_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
rm -f stage3-chroot/usr/lib64/*.la
file-$(FILE_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t ftp://ftp.astron.com/pub/file/file-$(FILE_VERSION).tar.gz
mv $@-t $@
# Cross-compile popt.
stage3-chroot/usr/lib64/libpopt.so: popt-$(POPT_VERSION).tar.gz
rm -rf popt-$(POPT_VERSION)
tar -zxf $^
cd popt-$(POPT_VERSION) && \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--disable-static --enable-shared
cd popt-$(POPT_VERSION) && $(MAKE) V=1
cd popt-$(POPT_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
rm -f stage3-chroot/usr/lib64/*.la
popt-$(POPT_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://rpm5.org/files/popt/popt-$(POPT_VERSION).tar.gz
mv $@-t $@
# Cross-compile beecrypt.
stage3-chroot/usr/lib64/libbeecrypt.so: beecrypt-$(BEECRYPT_VERSION).tar.gz
rm -rf beecrypt-$(BEECRYPT_VERSION)
tar -zxf $^
cd beecrypt-$(BEECRYPT_VERSION) && patch -p0 < ../beecrypt-disable-cplusplus.patch
cd beecrypt-$(BEECRYPT_VERSION) && autoreconf -i
cd beecrypt-$(BEECRYPT_VERSION) && \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
--without-cplusplus \
--without-java \
--disable-openmp \
--disable-static \
--enable-shared
cd beecrypt-$(BEECRYPT_VERSION) && $(MAKE) V=1
cd beecrypt-$(BEECRYPT_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot V=1
chrpath -d stage3-chroot/usr/lib64/libbeecrypt.so.*
rm -f stage3-chroot/usr/lib64/*.la
beecrypt-$(BEECRYPT_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://downloads.sourceforge.net/sourceforge/beecrypt/beecrypt-$(BEECRYPT_VERSION).tar.gz
mv $@-t $@
# Cross-compile GNU nano (editor).
stage3-chroot/usr/bin/nano: nano-$(NANO_VERSION).tar.gz
rm -rf nano-$(NANO_VERSION)
tar -zxf $^
cd nano-$(NANO_VERSION) && \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd nano-$(NANO_VERSION) && $(MAKE)
cd nano-$(NANO_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
nano-$(NANO_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://www.nano-editor.org/dist/v2.6/nano-$(NANO_VERSION).tar.gz
mv $@-t $@
# Cross-compile GNU grep.
stage3-chroot/usr/bin/grep: grep-$(GREP_VERSION).tar.xz
rm -rf grep-$(GREP_VERSION)
tar -Jxf $^
cd grep-$(GREP_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd grep-$(GREP_VERSION) && $(MAKE)
cd grep-$(GREP_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
grep-$(GREP_VERSION).tar.xz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/grep/grep-$(GREP_VERSION).tar.xz
mv $@-t $@
# Cross-compile less.
stage3-chroot/usr/bin/less: less-$(LESS_VERSION).tar.gz
rm -rf less-$(LESS_VERSION)
tar -zxf $^
cd less-$(LESS_VERSION) && \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd less-$(LESS_VERSION) && $(MAKE)
cd less-$(LESS_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
less-$(LESS_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://www.greenwoodsoftware.com/less/less-$(LESS_VERSION).tar.gz
mv $@-t $@
# Cross-compile strace.
stage3-chroot/usr/bin/strace: strace-$(STRACE_SHORT_COMMIT).tar.gz stage3-chroot/usr/include/asm/ptrace.h
rm -rf strace-$(STRACE_COMMIT)
tar -zxf $<
cd strace-$(STRACE_COMMIT) && patch -p1 < ../0001-Build-strace-for-RISC-V.patch
cd strace-$(STRACE_COMMIT) && ./bootstrap
cd strace-$(STRACE_COMMIT) && \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd strace-$(STRACE_COMMIT) && $(MAKE)
cd strace-$(STRACE_COMMIT) && make install DESTDIR=$(ROOT)/stage3-chroot
strace-$(STRACE_SHORT_COMMIT).tar.gz:
rm -f $@ $@-t
wget -O $@-t 'https://github.com/strace/strace/archive/$(STRACE_COMMIT)/strace-$(STRACE_SHORTCOMMIT).tar.gz'
mv $@-t $@
# Cross-compile bzip2.
stage3-chroot/usr/bin/bzip2: bzip2-$(BZIP2_VERSION).tar.gz
rm -rf bzip2-$(BZIP2_VERSION)
tar -zxf $^
cd bzip2-$(BZIP2_VERSION) && \
$(MAKE) libbz2.a bzip2 bzip2recover \
PREFIX=/usr \
CC=riscv64-unknown-linux-gnu-gcc \
AR=riscv64-unknown-linux-gnu-ar \
RANLIB=riscv64-unknown-linux-gnu-ranlib \
CFLAGS="-Wall -Winline -O2 -g -D_FILE_OFFSET_BITS=64 -fPIC"
cd bzip2-$(BZIP2_VERSION) && \
make install PREFIX=$(ROOT)/stage3-chroot/usr
bzip2-$(BZIP2_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://www.bzip.org/1.0.6/bzip2-$(BZIP2_VERSION).tar.gz
mv $@-t $@
# Cross-compile GNU make.
stage3-chroot/usr/bin/make: make-$(MAKE_VERSION).tar.gz
rm -rf make-$(MAKE_VERSION)
tar -zxf $^
# Unclear why this patch is needed but upstream make has other
# fixes for the way it misuses glibc.
cd make-$(MAKE_VERSION) && \
patch -p1 < ../make-4.2.1-fix-alloca.patch
cd make-$(MAKE_VERSION) && \
./configure \
--without-guile \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd make-$(MAKE_VERSION) && $(MAKE)
cd make-$(MAKE_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
make-$(MAKE_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/make/make-$(MAKE_VERSION).tar.gz
mv $@-t $@
# Cross-compile GNU diffutils.
stage3-chroot/usr/bin/diff: diffutils-$(DIFFUTILS_VERSION).tar.xz
rm -rf diffutils-$(DIFFUTILS_VERSION)
tar -Jxf $^
cd diffutils-$(DIFFUTILS_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
# ./configure misdetects getopt when cross-compiling.
perl -pi.bak -e 's{^#define __GETOPT_PREFIX.*}{}' diffutils-$(DIFFUTILS_VERSION)/lib/config.h
cd diffutils-$(DIFFUTILS_VERSION) && $(MAKE)
cd diffutils-$(DIFFUTILS_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
diffutils-$(DIFFUTILS_VERSION).tar.xz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/diffutils/diffutils-$(DIFFUTILS_VERSION).tar.xz
mv $@-t $@
# Cross-compile GNU findutils.
stage3-chroot/usr/bin/find: findutils-$(FINDUTILS_VERSION).tar.gz
rm -rf findutils-$(FINDUTILS_VERSION)
tar -zxf $^
cd findutils-$(FINDUTILS_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd findutils-$(FINDUTILS_VERSION) && $(MAKE)
cd findutils-$(FINDUTILS_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
findutils-$(FINDUTILS_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/findutils/findutils-$(FINDUTILS_VERSION).tar.gz
mv $@-t $@
# Cross-compile GNU sed.
stage3-chroot/usr/bin/sed: sed-$(SED_VERSION).tar.gz
rm -rf sed-$(SED_VERSION)
tar -zxf $^
cd sed-$(SED_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd sed-$(SED_VERSION) && $(MAKE)
cd sed-$(SED_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
sed-$(SED_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/sed/sed-$(SED_VERSION).tar.gz
mv $@-t $@
# Cross-compile patch.
stage3-chroot/usr/bin/patch: patch-$(PATCH_VERSION).tar.gz
rm -rf patch-$(PATCH_VERSION)
tar -zxf $^
cd patch-$(PATCH_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd patch-$(PATCH_VERSION) && $(MAKE)
cd patch-$(PATCH_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
patch-$(PATCH_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/patch/patch-$(PATCH_VERSION).tar.gz
mv $@-t $@
# Cross-compile hostname.
stage3-chroot/usr/bin/hostname: hostname-$(HOSTNAME_VERSION).tar.gz
rm -rf hostname
tar -zxf $^
cd hostname && patch -p1 < ../hostname-rh.patch
cd hostname && \
CC=riscv64-unknown-linux-gnu-gcc \
CFLAGS="-O2 -g" \
$(MAKE)
cd hostname && \
make install BASEDIR=$(ROOT)/stage3-chroot
hostname-$(HOSTNAME_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://ftp.de.debian.org/debian/pool/main/h/hostname/hostname_$(HOSTNAME_VERSION).tar.gz
mv $@-t $@
# Cross-compile GNU gettext.
stage3-chroot/usr/bin/gettext: gettext-$(GETTEXT_VERSION).tar.gz
rm -rf gettext-$(GETTEXT_VERSION)
tar -zxf $^
cd gettext-$(GETTEXT_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd gettext-$(GETTEXT_VERSION) && $(MAKE)
cd gettext-$(GETTEXT_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
rm -f stage3-chroot/usr/lib64/*.la
gettext-$(GETTEXT_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://ftp.gnu.org/gnu/gettext/gettext-$(GETTEXT_VERSION).tar.gz
mv $@-t $@
# Cross-compile lua.
stage3-chroot/usr/bin/lua: lua-$(LUA_VERSION).tar.gz
rm -rf lua-$(LUA_VERSION)
tar -zxf $^
# Missing inclusion of <sys/ucontext.h>.
cd lua-$(LUA_VERSION) && \
patch -p1 < ../lua-5.3.4-include-ucontext.patch
cd lua-$(LUA_VERSION) && \
$(MAKE) PLAT=linux INSTALL_TOP=/usr \
CC=riscv64-unknown-linux-gnu-gcc \
AR="riscv64-unknown-linux-gnu-ar rcu" \
RANLIB="riscv64-unknown-linux-gnu-ranlib" \
MYLDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64 \
MYLIBS=-ltinfo \
MYCFLAGS="-fPIC -DLUA_COMPAT_5_1"
cd lua-$(LUA_VERSION) && \
make install INSTALL_TOP=$(ROOT)/stage3-chroot/usr INSTALL_LIB=$(ROOT)/stage3-chroot/usr/lib64
lua-$(LUA_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://www.lua.org/ftp/lua-$(LUA_VERSION).tar.gz
mv $@-t $@
# Cross-compile xz.
stage3-chroot/usr/bin/xz: xz-$(XZ_VERSION).tar.gz
rm -rf xz-$(XZ_VERSION)
tar -zxf $^
cd xz-$(XZ_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64
cd xz-$(XZ_VERSION) && $(MAKE)
cd xz-$(XZ_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot
rm -f stage3-chroot/usr/lib64/*.la
xz-$(XZ_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t http://tukaani.org/xz/xz-$(XZ_VERSION).tar.gz
mv $@-t $@
# Cross-compile git.
stage3-chroot/usr/bin/git: git-$(GIT_VERSION).tar.gz
rm -rf git-$(GIT_VERSION)
tar -zxf $^
cd git-$(GIT_VERSION) && \
./configure \
--host=riscv64-unknown-linux-gnu \
--prefix=/usr --libdir=/usr/lib64 \
ac_cv_fread_reads_directories=no \
ac_cv_snprintf_returns_bogus=no \
LDFLAGS=-L$(ROOT)/stage3-chroot/usr/lib64
cd git-$(GIT_VERSION) && $(MAKE) NO_PERL=1
cd git-$(GIT_VERSION) && make install DESTDIR=$(ROOT)/stage3-chroot NO_PERL=1
git-$(GIT_VERSION).tar.gz:
rm -f $@ $@-t
wget -O $@-t https://www.kernel.org/pub/software/scm/git/git-$(GIT_VERSION).tar.gz
mv $@-t $@
# Cross-compile GNU awk.
stage3-chroot/usr/bin/gawk: gawk-$(GAWK_VERSION).tar.gz
rm -rf gawk-$(GAWK_VERSION)
tar -zxf $^
cd gawk-$(GAWK_VERSION) && \
./configure \