[PATCH v7 0/7] Introduce support for LoongArch architecture
zhoumin
zhoumin at loongson.cn
Tue Oct 4 10:49:51 CEST 2022
Hi, David,
Thanks for your kind reply.
On Tue, Oct 4, 2022 at 00:30, David Marchand wrote:
> Hello Min,
>
> On Sat, Oct 1, 2022 at 4:26 PM zhoumin <zhoumin at loongson.cn> wrote:
>> I'm Sorry, I misunderstood the 'instructions' you said. The process of
>> making the toolchain is a little complicated. So I made a script used to
>> generate the toolchain from source codes. The content of the script is
>> as follows:
>>
> I successfully generated a cross compilation toolchain with this script.
>
> I ran this script in a UBI8 image (iow RHEL8), with the
> codeready-builder-for-rhel-8-x86_64-rpms repo enabled and the
> following packages installed:
> # subscription-manager repos --enable codeready-builder-for-rhel-8-x86_64-rpms
> # dnf install bison diffutils file flex gcc gcc-c++ git gmp-devel
> libtool make python3 rsync texinfo wget xz zlib-devel
I'm sorry. I forgot to give the dependencies for build the cross
compilation toolchain. These
dependencies can be added into the documentation for LoongArch. Thanks a
lot.
> The script below works, but it is really better to run it with -e.
>
> # bash -e $script
Yes, thanks. The script will run for a long time. It is better to run it
with -e in order to exit quickly when an error has occured.
>
>> #!/bin/bash
>>
>> # Prepare the working directories
>> export SYSDIR=/tmp/la_cross_tools
>> mkdir -pv ${SYSDIR}
>> mkdir -pv ${SYSDIR}/downloads
>> mkdir -pv ${SYSDIR}/build
>> install -dv ${SYSDIR}/cross-tools
>> install -dv ${SYSDIR}/sysroot
>>
>> set +h
>> umask 022
>> # Set the environment variables to be used next
>> export BUILDDIR="${SYSDIR}/build"
>> export DOWNLOADDIR="${SYSDIR}/downloads"
>> export LC_ALL=POSIX
>> export CROSS_HOST="$(echo $MACHTYPE | sed "s/$(echo $MACHTYPE | cut -d- -f2)/cross/")"
>> export CROSS_TARGET="loongarch64-unknown-linux-gnu"
>> export MABI="lp64d"
>> export BUILD64="-mabi=lp64d"
>> export PATH=${SYSDIR}/cross-tools/bin:/bin:/usr/bin
>> export JOBS=-j8
>> unset CFLAGS
>> unset CXXFLAGS
>>
>> # Download the source code archives
>> pushd $DOWNLOADDIR
>> wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.19.tar.gz
>> wget https://ftp.gnu.org/gnu/gmp/gmp-6.2.1.tar.xz
>> wget https://www.mpfr.org/mpfr-4.1.0/mpfr-4.1.0.tar.xz
>> wget https://ftp.gnu.org/gnu/mpc/mpc-1.2.1.tar.gz
>> wget https://ftp.gnu.org/gnu/libc/glibc-2.36.tar.xz
>> popd
>>
>> # Make and install the linux header files
>> tar xvf ${DOWNLOADDIR}/linux-5.19.tar.gz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/linux-5.19
>> make mrproper
>> make ARCH=loongarch INSTALL_HDR_PATH=dest headers_install
>> find dest/include -name '.*' -delete
>> mkdir -pv ${SYSDIR}/sysroot/usr/include
>> cp -rv dest/include/* ${SYSDIR}/sysroot/usr/include
>> popd
>>
>> # Prepare the binutils source code
>> git clone git://sourceware.org/git/binutils-gdb.git --depth 1
>> pushd binutils-gdb
>> git archive --format=tar.gz --prefix=binutils-2.38/ --output ../binutils-2.38.tar.gz "master"
>> popd
>> mv binutils-2.38.tar.gz ${DOWNLOADDIR}
>>
>> # Make and install the binutils files
>> tar xvf ${DOWNLOADDIR}/binutils-2.38.tar.gz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/binutils-2.38
>> rm -rf gdb* libdecnumber readline sim
>> mkdir tools-build
>> pushd tools-build
>> CC=gcc AR=ar AS=as \
>> ../configure --prefix=${SYSDIR}/cross-tools --build=${CROSS_HOST} --host=${CROSS_HOST} \
>> --target=${CROSS_TARGET} --with-sysroot=${SYSDIR}/sysroot --disable-nls \
>> --disable-static --disable-werror --enable-64-bit-bfd
>> make configure-host ${JOBS}
>> make ${JOBS}
>> make install-strip
>> cp -v ../include/libiberty.h ${SYSDIR}/sysroot/usr/include
>> popd
>> popd
>>
>> # Make and install the gmp files used by GCC
>> tar xvf ${DOWNLOADDIR}/gmp-6.2.1.tar.xz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/gmp-6.2.1
>> ./configure --prefix=${SYSDIR}/cross-tools --enable-cxx --disable-static
>> make ${JOBS}
>> make install
>> popd
>>
>> # Make and install the mpfr files used by GCC
>> tar xvf ${DOWNLOADDIR}/mpfr-4.1.0.tar.xz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/mpfr-4.1.0
>> ./configure --prefix=${SYSDIR}/cross-tools --disable-static --with-gmp=${SYSDIR}/cross-tools
>> make ${JOBS}
>> make install
>> popd
>>
>> # Make and install the mpc files used by GCC
>> tar xvf ${DOWNLOADDIR}/mpc-1.2.1.tar.gz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/mpc-1.2.1
>> ./configure --prefix=${SYSDIR}/cross-tools --disable-static --with-gmp=${SYSDIR}/cross-tools
>> make ${JOBS}
>> make install
>> popd
>>
>> # Prepare the gcc source code
>> git clone git://sourceware.org/git/gcc.git --depth 1
>> pushd gcc
>> git archive --format=tar.gz --prefix=gcc-13.0.0/ --output ../gcc-13.0.0.tar.gz "master"
>> popd
>> mv gcc-13.0.0.tar.gz ${DOWNLOADDIR}
>>
>> # Make and install the simplified GCC files
>> tar xvf ${DOWNLOADDIR}/gcc-13.0.0.tar.gz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/gcc-13.0.0
>> mkdir tools-build
>> pushd tools-build
>> AR=ar LDFLAGS="-Wl,-rpath,${SYSDIR}/cross-tools/lib" \
>> ../configure --prefix=${SYSDIR}/cross-tools --build=${CROSS_HOST} --host=${CROSS_HOST} \
>> --target=${CROSS_TARGET} --disable-nls \
>> --with-mpfr=${SYSDIR}/cross-tools --with-gmp=${SYSDIR}/cross-tools \
>> --with-mpc=${SYSDIR}/cross-tools \
>> --with-newlib --disable-shared --with-sysroot=${SYSDIR}/sysroot \
>> --disable-decimal-float --disable-libgomp --disable-libitm \
>> --disable-libsanitizer --disable-libquadmath --disable-threads \
>> --disable-target-zlib --with-system-zlib --enable-checking=release \
>> --enable-default-pie \
>> --enable-languages=c
>> make all-gcc all-target-libgcc ${JOBS}
>> make install-strip-gcc install-strip-target-libgcc
>> popd
>> popd
>>
>> # Make and install the glibc files
>> tar xvf ${DOWNLOADDIR}/glibc-2.36.tar.xz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/glibc-2.36
>> sed -i "s at 5.15.0@4.15.0 at g" sysdeps/unix/sysv/linux/loongarch/configure{,.ac}
>> mkdir -v build-64
>> pushd build-64
>> BUILD_CC="gcc" CC="${CROSS_TARGET}-gcc ${BUILD64}" \
>> CXX="${CROSS_TARGET}-gcc ${BUILD64}" \
>> AR="${CROSS_TARGET}-ar" RANLIB="${CROSS_TARGET}-ranlib" \
>> ../configure --prefix=/usr --host=${CROSS_TARGET} --build=${CROSS_HOST} \
>> --libdir=/usr/lib64 --libexecdir=/usr/lib64/glibc \
>> --with-binutils=${SYSDIR}/cross-tools/bin \
>> --with-headers=${SYSDIR}/sysroot/usr/include \
>> --enable-stack-protector=strong --enable-add-ons \
>> --disable-werror libc_cv_slibdir=/usr/lib64 \
>> --enable-kernel=4.15
>> make ${JOBS}
>> make DESTDIR=${SYSDIR}/sysroot install
>> cp -v ../nscd/nscd.conf ${SYSDIR}/sysroot/etc/nscd.conf
>> mkdir -pv ${SYSDIR}/sysroot/var/cache/nscd
>> install -v -Dm644 ../nscd/nscd.tmpfiles \
>> ${SYSDIR}/sysroot/usr/lib/tmpfiles.d/nscd.conf
>> install -v -Dm644 ../nscd/nscd.service \
>> ${SYSDIR}/sysroot/usr/lib/systemd/system/nscd.service
>> popd
>> mkdir -v build-locale
>> pushd build-locale
>> ../configure --prefix=/usr --libdir=/usr/lib64 --libexecdir=/usr/lib64/glibc \
>> --enable-stack-protector=strong --enable-add-ons \
>> --disable-werror libc_cv_slibdir=/usr/lib64
>> make ${JOBS}
>> make DESTDIR=${SYSDIR}/sysroot localedata/install-locales
>> popd
>> popd
>>
>> # Make and install the complete GCC files
>> tar xvf ${DOWNLOADDIR}/gcc-13.0.0.tar.gz -C ${BUILDDIR}
>> pushd ${BUILDDIR}/gcc-13.0.0
>> mkdir tools-build-all
>> pushd tools-build-all
>> AR=ar LDFLAGS="-Wl,-rpath,${SYSDIR}/cross-tools/lib" \
>> ../configure --prefix=${SYSDIR}/cross-tools --build=${CROSS_HOST} \
>> --host=${CROSS_HOST} --target=${CROSS_TARGET} \
>> --with-sysroot=${SYSDIR}/sysroot --with-mpfr=${SYSDIR}/cross-tools \
>> --with-gmp=${SYSDIR}/cross-tools --with-mpc=${SYSDIR}/cross-tools \
>> --enable-__cxa_atexit --enable-threads=posix --with-system-zlib \
>> --enable-libstdcxx-time --enable-checking=release \
>> --enable-default-pie \
>> --enable-languages=c,c++,fortran,objc,obj-c++,lto
>> make ${JOBS}
>> make install-strip
>> popd
>> popd
>>
Thanks,
--
Min Zhou
>
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