88 lines
2.0 KiB
Bash
88 lines
2.0 KiB
Bash
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#!/bin/bash
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set -e
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TARGET=nios2-linux-gnu
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LINUX_ARCH=nios2
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J=$(expr $(nproc) / 2)
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TOOLCHAIN_INSTALL=/usr/local
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TOOLCHAIN_BIN=${TOOLCHAIN_INSTALL}/bin
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CROSS_SYSROOT=${TOOLCHAIN_INSTALL}/$TARGET/sys-root
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export PATH=${TOOLCHAIN_BIN}:$PATH
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#
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# Grab all of the source for the toolchain bootstrap.
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#
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wget https://ftp.gnu.org/gnu/binutils/binutils-2.37.tar.xz
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wget https://ftp.gnu.org/gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz
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wget https://ftp.gnu.org/gnu/glibc/glibc-2.34.tar.xz
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wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.70.tar.xz
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tar axf binutils-2.37.tar.xz
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tar axf gcc-11.2.0.tar.xz
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tar axf glibc-2.34.tar.xz
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tar axf linux-5.10.70.tar.xz
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mv binutils-2.37 src-binu
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mv gcc-11.2.0 src-gcc
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mv glibc-2.34 src-glibc
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mv linux-5.10.70 src-linux
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mkdir -p bld-hdr bld-binu bld-gcc bld-glibc
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mkdir -p ${CROSS_SYSROOT}/usr/include
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#
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# Install kernel and glibc headers
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#
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cd src-linux
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make headers_install ARCH=${LINUX_ARCH} INSTALL_HDR_PATH=${CROSS_SYSROOT}/usr
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cd ..
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cd bld-hdr
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../src-glibc/configure --prefix=/usr --host=${TARGET}
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make install-headers DESTDIR=${CROSS_SYSROOT}
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touch ${CROSS_SYSROOT}/usr/include/gnu/stubs.h
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cd ..
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#
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# Build binutils
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#
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cd bld-binu
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../src-binu/configure --disable-werror \
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--prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET}
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make -j${J}
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make install
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cd ..
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#
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# Build gcc, without shared libraries, because we do not yet
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# have a shared libc against which to link.
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#
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cd bld-gcc
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../src-gcc/configure --disable-werror --disable-shared \
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--prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET} \
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--enable-languages=c --disable-libssp --disable-libsanitizer \
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--disable-libatomic --disable-libgomp --disable-libquadmath
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make -j${J}
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make install
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cd ..
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#
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# Build glibc
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# There are a few random things that use c++ but we didn't build that
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# cross-compiler. We can get away without them. Disable CXX so that
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# glibc doesn't try to use the host c++ compiler.
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#
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cd bld-glibc
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CXX=false ../src-glibc/configure --prefix=/usr --host=${TARGET}
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make -j${j}
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make install DESTDIR=${CROSS_SYSROOT}
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cd ..
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