Added 2-stage build script
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168
altcross-2stage.sh
Executable file
168
altcross-2stage.sh
Executable file
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#!/bin/bash
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set -e
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set -x
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TARGET=aarch64-linux-gnu
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unset NIL
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KERNEL_SOURCE="`find /usr/src/kernel/sources -type f -name 'kernel-source-*.tar'`"
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BINUTILS_SOURCE="`find /usr/src/binutils-source -type f -name 'binutils-*.tar'`"
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GCC_SOURCE="`find /usr/src/gcc-source -type f -name 'gcc-*.tar'`"
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GLIBC_SOURCE="`find /usr/src/glibc-source -type f -name 'glibc-*.tar'`"
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getversion() {
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local fname="${1##*/}"
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local bname="${fname%.tar*}"
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local ver="${bname#*-}"
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echo "$ver"
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}
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GCC_VERSION=`getversion $GCC_SOURCE`
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GCC_MAJOR_VERSION="${GCC_VERSION%%.*}"
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BUILDDIR="`pwd`/build"
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SRCDIR="`pwd`/src"
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INSTALLDIR="`pwd`/inst/altcross-gcc-${GCC_VERSION}"
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BOOTSTRAP_INSTALLDIR="`pwd`/stage1/altcross-gcc-${GCC_VERSION}"
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SYSROOT=/$TARGET/libc
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SYSROOTDIR="$INSTALLDIR/$SYSROOT"
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mkdir -p -m755 "$SRCDIR"
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cd "$SRCDIR"
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mkdir -p -m755 linux binutils gcc glibc
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tar -x --strip-components=1 -f "$KERNEL_SOURCE" -C linux
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tar -x --strip-components=1 -f "$BINUTILS_SOURCE" -C binutils
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tar -x --strip-components=1 -f "$GCC_SOURCE" -C gcc
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tar -x --strip-components=1 -f "$GLIBC_SOURCE" -C glibc
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cd "gcc"
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sed -i contrib/download_prerequisites -e '/base_url=/s/ftp/http/'
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./contrib/download_prerequisites
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mkdir -p -m755 "$INSTALLDIR/bin" "$BOOTSTRAP_INSTALLDIR/bin"
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save_PATH="$PATH"
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export PATH="$BOOTSTRAP_INSTALLDIR/bin:/usr/lib/ccache:$PATH"
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unset LD_LIBRARY_PATH
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mkdir -p -m755 \
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"$BUILDDIR/obj_binutils" \
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"$BUILDDIR/obj_gcc_bootstrap" \
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"$BUILDDIR/obj_gcc" \
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"$BUILDDIR/obj_glibc" \
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"$BUILDDIR/obj_linux" \
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${NIL}
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# binutils
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cd "$BUILDDIR/obj_binutils"
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../../src/binutils/configure \
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--target="$TARGET" \
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--prefix= \
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--with-sysroot="$SYSROOT" \
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--with-build-sysroot="$SYSROOTDIR" \
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--disable-multilib \
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${NIL}
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make -j$(nproc)
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make -j$(nproc) install DESTDIR="$INSTALLDIR"
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make -j$(nproc) install DESTDIR="$BOOTSTRAP_INSTALLDIR"
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# bootstrap gcc
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cd "$BUILDDIR/obj_gcc_bootstrap"
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../../src/gcc/configure \
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--prefix= \
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--target=$TARGET \
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--enable-languages=c \
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--disable-bootstrap \
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--disable-multilib \
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--disable-shared \
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--disable-threads \
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--disable-libgomp \
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--disable-libitm \
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--disable-libquadmath \
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--disable-libsanitizer \
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--disable-libssp \
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--disable-libvtv \
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--disable-libatomic \
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--disable-libcilkrts \
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--with-newlib \
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--without-headers \
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--with-sysroot="$SYSROOT" \
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--with-build-sysroot="$SYSROOTDIR" \
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--enable-version-specific-runtime-libs \
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--with-gcc-major-version-only \
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${NIL}
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make -j$(nproc) all-gcc all-target-libgcc
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make -j$(nproc) install-gcc install-target-libgcc DESTDIR="$BOOTSTRAP_INSTALLDIR"
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# kernel headers
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make -j$(nproc) \
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-C "$SRCDIR/linux" \
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O="$BUILDDIR/obj_linux" \
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ARCH=arm64 \
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INSTALL_HDR_PATH="$SYSROOTDIR/usr" \
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headers_install
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# glibc
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cd "$BUILDDIR/obj_glibc"
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../../src/glibc/configure \
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--prefix=/usr \
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--target=$TARGET \
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--host=$TARGET \
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--build="$MACHTYPE" \
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--with-sysroot="$SYSROOT" \
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--with-build-sysroot="$SYSROOTDIR" \
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--with-headers="$SYSROOTDIR"/usr/include \
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--with-lib="$SYSROOTDIR"/usr/lib \
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--disable-multilib \
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--disable-crypt \
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libc_cv_forced_unwind=yes \
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${NIL}
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make -j$(nproc)
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make install DESTDIR="$SYSROOTDIR"
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# XXX: gcc needs this to locate crt{1,i}.o
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mkdir -p -m755 $SYSROOTDIR/usr/lib
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export PATH="$INSTALLDIR/bin:/usr/lib/ccache:${save_PATH}"
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mv "${BOOTSTRAP_INSTALLDIR}" "${BOOTSTRAP_INSTALLDIR}.save"
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# gcc
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# XXX: libsanitizer needs "crypt.h" and ALT Linux' glibc does NOT provide one.
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# therefore disable libsanitizer for now.
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cd "$BUILDDIR/obj_gcc"
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../../src/gcc/configure \
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--prefix= \
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--target=$TARGET \
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--enable-languages=c,c++ \
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--enable-version-specific-runtime-libs \
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--with-sysroot="$SYSROOT" \
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--with-build-sysroot="$SYSROOTDIR" \
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--with-gcc-major-version-only \
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--disable-libsanitizer \
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--disable-multilib \
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${NIL}
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make -j$(nproc)
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make -j$(nproc) install DESTDIR="$INSTALLDIR"
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# set /lib64/ld-linux-aarch64.so.1 as ELF interpreter
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$INSTALLDIR/bin/${TARGET}-gcc -dumpspecs > $BUILDDIR/specs
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sed -e 's;/lib/ld-linux-aarch64;/lib64/ld-linux-aarch64;g' -i $BUILDDIR/specs
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# Use aarch64-linux-gnu-as instead of generic `as`
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sed -e "/^[*]invoke_as:/,/^[*]cpp:/ s; as ; ../../../../bin/${TARGET}-as ;" -i $BUILDDIR/specs
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# Same for objcopy
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sed -e "s; objcopy ; ../../../../bin/${TARGET}-objcopy ;" -i $BUILDDIR/specs
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mv $BUILDDIR/specs "$INSTALLDIR/lib/gcc/$TARGET/${GCC_MAJOR_VERSION}/"
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# relocate libgcc_s
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mv $INSTALLDIR/lib/gcc/$TARGET/lib64/libgcc_s.so* "$INSTALLDIR/lib/gcc/$TARGET/${GCC_MAJOR_VERSION}/"
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rmdir "$INSTALLDIR/lib/gcc/$TARGET/lib64"
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