restored previous bootstrap

4 files changed, 1162 insertions, 0 deletions

diff --git a/bootstrap/bootstrap.sh b/bootstrap/bootstrap.sh
new file mode 100755
index 0000000..2c244f1
--- /dev/null
+++ b/bootstrap/bootstrap.sh
@@ -0,0 +1,308 @@
+#!/bin/bash
+
+
+## VERSIONS ##
+# TODO move to a different package
+ 
+WD=$(pwd)/working
+BUILDFILES=$WD/buildfiles
+
+getbuildfiles () {
+    [ -d $BUILDFILES ] &&  { 
+        cd $BUILDFILES
+        git pull
+        cd $OLDPWD
+    } || {
+        mkdir $BUILDFILES
+        git clone https://xi.davidovski.xyz/git/buildfiles.git $BUILDFILES
+    }
+}
+
+getversion() {
+    find $BUILDFILES/ -name "$1.xibuild" | head -1 | xargs grep "PKG_VER=" | cut -d"=" -f2
+}
+
+getbuildfiles
+
+LINUX_VER=$(getversion linux)
+BINUTILS_VER=$(getversion binutils)
+MPFR_VER=$(getversion mpfr)
+MPC_VER=$(getversion mpc)
+GMP_VER=$(getversion gmp)
+GCC_VER=$(getversion gcc)
+MUSL_VER=$(getversion musl)
+FILE_VER=$(getversion file)
+TCL_VER=$(getversion tcl)
+M4_VER=$(getversion m4)
+EXPECT_VER=$(getversion expect)
+DEJAGNU_VER=$(getversion dejagnu)
+NCURSES_VER=$(getversion ncurses)
+BASH_VER=$(getversion bash)
+BISON_VER=$(getversion bison)
+BZIP2_VER=$(getversion bzip2)
+COREUTILS_VER=$(getversion sbase)
+DIFFUTILS_VER=$(getversion diffutils)
+GAWK_VER=$(getversion gawk)
+GETTEXT_VER=$(getversion gettext)
+GREP_VER=$(getversion grep)
+GZIP_VER=$(getversion gzip)
+MAKE_VER=$(getversion make)
+PATCH_VER=$(getversion patch)
+SED_VER=$(getversion sed)
+PERL_VER=$(getversion perl)
+TEXINFO_VER=$(getversion texinfo)
+FLEX_VER=$(getversion fle)
+PERL_CROSS_VER=1.3.6
+GETTEXT_TINY_VER=$(getversion gettext)
+FINDUTILS_VER=$(getversion findutils)
+
+####
+
+CURL_OPTS="-SsL"
+
+
+HOST=x86_64-linux-gnu
+TARGET=x86_64-linux-musl
+ARCH=x86
+CPU=x86-64
+
+CROSS_TOOLS=/cross-tools
+TOOLS=/tools
+chroot=$(pwd)/chroot
+
+PATH=${TOOLS}/bin:${CROSS_TOOLS}/bin:/usr/bin
+
+MAKEFLAGS="-j$(grep "processor" /proc/cpuinfo | wc -l)"
+
+export chroot TARGET PATH WD CURL_OPTS CROSS_TOOLS TOOLS MAKEFLAGS
+
+unset CFLAGS CXXFLAGS
+
+die () {
+    printf "${RED}$@${RESET}\n"
+    exit 1
+}
+
+extract () {
+    echo "extracting $1"
+    FILE=$1
+    case "${FILE##*.}" in 
+        "gz" )
+            tar -zxf $FILE
+            ;;
+        "lz" )
+            tar --lzip -xf "$FILE"
+            ;;
+        "zip" )
+            unzip $FILE
+            ;;
+        "xz" )
+            tar -xf $FILE
+            ;;
+        * )
+            tar -xf $FILE
+            ;;
+    esac
+}
+
+src () {
+    cd ${WD}
+    local source=$1
+    local filename=$(basename $source)
+    printf "${LIGHT_BLUE}Fetching $filename...${RESET}\n"
+
+    curl ${CURL_OPTS} $source > $filename
+    file $filename
+    extract $filename
+    cd ${filename%.t*}
+}
+
+ptch () {
+    local source=$1
+    local filename=$(basename $source)
+
+    printf "${LIGHT_BLUE}Patching $filename...${RESET}\n"
+    curl ${CURL_OPTS} $source > $filename
+    patch -Np1 -i $filename
+}
+
+clean () {
+    rm -rf $WD $CROSS_TOOLS $TOOLS
+    mkdir -p $WD $CROSS_TOOLS $TOOL
+}
+
+mount_chroot () {
+    mkdir -p $chroot/{dev,proc,sys,run}
+    mknod -m 600 $chroot/dev/console c 5 1
+    mknod -m 666 $chroot/dev/null c 1 3
+
+    mount --bind /dev $chroot/dev
+    mount -t devpts devpts $chroot/dev/pts -o gid=5,mode=620
+    mount -t proc proc $chroot/proc
+    mount -t sysfs sysfs $chroot/sys
+    mount -t tmpfs tmpfs $chroot/run
+    if [ -h $chroot/dev/shm ]; then
+      mkdir -p $chroot/$(readlink $chroot/dev/shm)
+    fi
+}
+
+umount_chroot () {
+    umount $chroot/dev/pts
+    umount $chroot/dev
+    umount $chroot/run
+    umount $chroot/proc
+    umount $chroot/sys
+}
+
+tchroot () {
+    chroot "$chroot" /tools/bin/env -i \
+    HOME=/root                  \
+    TERM="$TERM"                \
+    PS1='(chroot) \u:\w\$ ' \
+    PATH=/bin:/usr/bin:/sbin:/usr/sbin:/tools/bin \
+    $@
+}
+
+patch_gcc () {
+    local PATCH_SRC="https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/gcc-alpine"
+
+    ptch $PATCH_SRC/0001-posix_memalign.patch &&
+    ptch $PATCH_SRC/0003-Turn-on-Wl-z-relro-z-now-by-default.patch &&
+    ptch $PATCH_SRC/0004-Turn-on-D_FORTIFY_SOURCE-2-by-default-for-C-C-ObjC-O.patch &&
+    ptch $PATCH_SRC/0006-Enable-Wformat-and-Wformat-security-by-default.patch &&
+    ptch $PATCH_SRC/0007-Enable-Wtrampolines-by-default.patch &&
+    ptch $PATCH_SRC/0009-Ensure-that-msgfmt-doesn-t-encounter-problems-during.patch &&
+    ptch $PATCH_SRC/0010-Don-t-declare-asprintf-if-defined-as-a-macro.patch &&
+    ptch $PATCH_SRC/0011-libiberty-copy-PIC-objects-during-build-process.patch &&
+    ptch $PATCH_SRC/0012-libitm-disable-FORTIFY.patch &&
+    ptch $PATCH_SRC/0013-libgcc_s.patch &&
+    ptch $PATCH_SRC/0014-nopie.patch &&
+    ptch $PATCH_SRC/0015-libffi-use-__linux__-instead-of-__gnu_linux__-for-mu.patch &&
+    ptch $PATCH_SRC/0016-dlang-update-zlib-binding.patch &&
+    ptch $PATCH_SRC/0017-dlang-fix-fcntl-on-mips-add-libucontext-dep.patch &&
+    ptch $PATCH_SRC/0018-ada-fix-shared-linking.patch &&
+    ptch $PATCH_SRC/0019-build-fix-CXXFLAGS_FOR_BUILD-passing.patch &&
+    ptch $PATCH_SRC/0020-add-fortify-headers-paths.patch &&
+    ptch $PATCH_SRC/0023-Pure-64-bit-MIPS.patch &&
+    ptch $PATCH_SRC/0024-use-pure-64-bit-configuration-where-appropriate.patch &&
+    ptch $PATCH_SRC/0025-always-build-libgcc_eh.a.patch &&
+    ptch $PATCH_SRC/0027-ada-musl-support-fixes.patch &&
+    ptch $PATCH_SRC/0028-gcc-go-Use-_off_t-type-instead-of-_loff_t.patch &&
+    ptch $PATCH_SRC/0029-gcc-go-Don-t-include-sys-user.h.patch &&
+    ptch $PATCH_SRC/0030-gcc-go-Fix-ucontext_t-on-PPC64.patch &&
+    ptch $PATCH_SRC/0031-gcc-go-Fix-handling-of-signal-34-on-musl.patch &&
+    ptch $PATCH_SRC/0032-gcc-go-Use-int64-type-as-offset-argument-for-mmap.patch &&
+    #ptch $PATCH_SRC/0034-gcc-go-signal-34-is-special-on-musl-libc  &&
+    ptch $PATCH_SRC/0035-gcc-go-Prefer-_off_t-over-_off64_t.patch &&
+    ptch $PATCH_SRC/0036-gcc-go-undef-SETCONTEXT_CLOBBERS_TLS-in-proc.c.patch &&
+    ptch $PATCH_SRC/0037-gcc-go-link-to-libucontext.patch &&
+    ptch $PATCH_SRC/0038-gcc-go-Disable-printing-of-unaccessible-ppc64-struct.patch &&
+    ptch $PATCH_SRC/0041-Use-generic-errstr.go-implementation-on-musl.patch &&
+    ptch $PATCH_SRC/0042-Disable-ssp-on-nostdlib-nodefaultlibs-and-ffreestand.patch &&
+    ptch $PATCH_SRC/0043-configure-Add-enable-autolink-libatomic-use-in-LINK_.patch 
+    #ptch $PATCH_SRC/0022-DP-Use-push-state-pop-state-for-gold-as-well-when-li.patch &&
+}
+
+create_chroot () {
+    PATH=/usr/bin:/bin
+    mkdir chroot
+    xi -l -r ${chroot} bootstrap
+    echo "copying tools..."
+    mkdir ${chroot}/tools
+    cp -r ${TOOLS} ${chroot}/
+
+    echo "making essential links"
+
+    ln -s /tools/bin/bash ${chroot}/bin
+    ln -s /tools/bin/cat ${chroot}/bin
+    ln -s /tools/bin/dd ${chroot}/bin
+    ln -s /tools/bin/echo ${chroot}/bin
+    ln -s /tools/bin/ln ${chroot}/bin
+    ln -s /tools/bin/pwd ${chroot}/bin
+    ln -s /tools/bin/rm ${chroot}/bin
+    ln -s /tools/bin/stty ${chroot}/bin
+    ln -s /tools/bin/install ${chroot}/bin
+    ln -s /tools/bin/env ${chroot}/bin
+    #ln -s /tools/bin/perl ${chroot}/bin
+
+    ln -s /tools/lib/libgcc_s.so.1 ${chroot}/usr/lib
+    ln -s /tools/lib/libgcc_s.so ${chroot}/usr/lib
+
+    ln -s /tools/lib/libstdc++.a ${chroot}/usr/lib
+    ln -s /tools/lib/libstdc++.so ${chroot}/usr/lib
+    ln -s /tools/lib/libstdc++.so.6 ${chroot}/usr/lib
+    ln -s bash ${chroot}/bin/sh 
+
+    mkdir -p ${chroot}/etc
+    ln -s /proc/self/mounts ${chroot}/etc/mtab
+
+    cat > ${chroot}/etc/passwd << "EOF"
+root:x:0:0:root:/root:/bin/bash
+daemon:x:6:6:Daemon User:/dev/null:/bin/false
+messagebus:x:18:18:D-Bus Message Daemon User:/var/run/dbus:/bin/false
+nobody:x:99:99:Unprivileged User:/dev/null:/bin/false
+EOF
+
+    cat > ${chroot}/etc/group << "EOF"
+root:x:0:
+sys:x:2:
+kmem:x:3:
+tape:x:4:
+tty:x:5:
+daemon:x:6:
+floppy:x:7:
+disk:x:8:
+lp:x:9:
+dialout:x:10:
+audio:x:11:
+video:x:12:
+utmp:x:13:
+usb:x:14:
+cdrom:x:15:
+adm:x:16:
+messagebus:x:18:
+input:x:24:
+mail:x:34:
+nogroup:x:99:
+users:x:999:
+EOF
+
+    echo "Created chroot"
+}
+
+package_chroot () {
+    PATH=/usr/bin:/bin
+    echo "compressing..."
+    echo ${chroot}
+    tar -C ${chroot} -czf chroot-tools.tar.gz ./
+    echo "created chroot-tools.tar.gz..."
+}
+
+[ -f /usr/lib/colors.sh ] && . /usr/lib/colors.sh
+
+rm -rf $WD ; mkdir $WD
+
+case "$1" in
+    stage1|cross|cross_tools)
+        . ./stage1.sh
+        ;;
+    stage2|tools|toolchain)
+        . ./stage2.sh
+        ;;
+    stage3)
+        . ./stage3.sh
+        ;;
+    package)
+        umount_chroot
+        package_chroot
+        ;;
+    *)
+        clean
+        $0 stage1
+        $0 stage2
+        $0 stage3
+        umount_chroot
+        package_chroot
+        ;;
+esac
+
diff --git a/bootstrap/stage1.sh b/bootstrap/stage1.sh
new file mode 100644
index 0000000..17076b5
--- /dev/null
+++ b/bootstrap/stage1.sh
@@ -0,0 +1,166 @@
+#!/bin/sh
+
+cross_tools_kernel_headers () {
+    src "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-$LINUX_VER.tar.xz"
+
+    make mrproper
+
+    make ARCH=${ARCH} headers
+    mkdir -p $CROSS_TOOLS/$TARGET/include
+
+    cp -r usr/include/* $CROSS_TOOLS/$TARGET/include
+    find $CROSS_TOOLS/$TARGET/include -name '.*.cmd' -exec rm -f {} \;
+    rm $CROSS_TOOLS/$TARGET/include/Makefile
+}
+
+cross_tools_binutils () {
+    src "https://ftp.gnu.org/gnu/binutils/binutils-$BINUTILS_VER.tar.xz"
+
+    mkdir build &&
+        cd build &&
+
+    ../configure \
+       --prefix=${CROSS_TOOLS} \
+       --target=${TARGET} \
+       --host=${HOST} \
+       --with-sysroot=${CROSS_TOOLS}/${TARGET} \
+       --disable-nls \
+       --disable-multilib \
+       --disable-werror \
+       --enable-deterministic-archives \
+       --disable-compressed-debug-sections &&
+
+    make configure-host &&
+    make && make install
+}
+
+cross_tools_gcc_static () {
+    cd ${WD}
+    src "https://ftp.gnu.org/gnu/mpfr/mpfr-$MPFR_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/gmp/gmp-$GMP_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/mpc/mpc-$MPC_VER.tar.gz"
+    src "https://ftp.gnu.org/gnu/gcc/gcc-$GCC_VER/gcc-$GCC_VER.tar.xz"
+
+    mv ../mpfr-$MPFR_VER mpfr &&
+    mv ../gmp-$GMP_VER gmp &&
+    mv ../mpc-$MPC_VER mpc &&
+
+    mkdir build && cd  build &&
+
+    CFLAGS='-g0 -O0' \
+    CXXFLAGS=$CFLAGS \
+    ../configure \
+              --prefix=${CROSS_TOOLS} --build=${HOST} \
+              --host=${HOST}   --target=${TARGET} \
+              --with-sysroot=${CROSS_TOOLS}/${TARGET} \
+              --disable-nls         --with-newlib  \
+              --disable-libitm     --disable-libvtv \
+              --disable-libssp     --disable-shared \
+              --disable-libgomp    --without-headers \
+              --disable-threads    --disable-multilib \
+              --disable-libatomic  --disable-libstdcxx \
+              --enable-languages=c --disable-libquadmath \
+              --disable-libsanitizer --with-arch=${CPU} \
+              --disable-decimal-float --enable-clocale=generic  &&
+
+    make all-gcc all-target-libgcc &&
+    make install-gcc install-target-libgcc 
+}
+
+cross_tools_musl () {
+    src https://musl.libc.org/releases/musl-$MUSL_VER.tar.gz
+
+    ./configure \
+      CROSS_COMPILE=${TARGET}- \
+      --prefix=/ \
+      --target=${TARGET}  &&
+
+    make && DESTDIR=${CROSS_TOOLS} make install &&
+
+    # Add missing directory and link
+    mkdir ${CROSS_TOOLS}/usr &&
+    ln -s ../include  ${CROSS_TOOLS}/usr/include &&
+
+    case $(uname -m) in
+      x86_64) export ARCH="x86_64"
+              ;;
+      i686)   export ARCH="i386"
+              ;;
+      arm*)   export ARCH="arm"
+              ;;
+      aarch64) export ARCH="aarch64"
+              ;;
+    esac
+
+    # Fix link
+    rm -f ${CROSS_TOOLS}/lib/ld-musl-${ARCH}.so.1 &&
+    ln -s libc.so ${CROSS_TOOLS}/lib/ld-musl-${ARCH}.so.1
+
+    # Create link for ldd:
+    ln -s ../lib/ld-musl-$ARCH.so.1 ${CROSS_TOOLS}/bin/ldd
+
+    # Create config for dynamic library loading:
+    mkdir ${CROSS_TOOLS}/etc
+
+    echo $CROSS_TOOLS/lib >> ${CROSS_TOOLS}/etc/ld-musl-$ARCH.path 
+    echo $TOOLS/lib >> ${CROSS_TOOLS}/etc/ld-musl-$ARCH.path 
+
+    unset ARCH ARCH2
+}
+
+cross_tools_gcc_final () {
+    cd ${WD}
+    rm -rf *
+
+    src "https://ftp.gnu.org/gnu/mpfr/mpfr-$MPFR_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/gmp/gmp-$GMP_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/mpc/mpc-$MPC_VER.tar.gz"
+    src "https://ftp.gnu.org/gnu/gcc/gcc-$GCC_VER/gcc-$GCC_VER.tar.xz"
+
+    mv ../mpfr-$MPFR_VER mpfr
+    mv ../gmp-$GMP_VER gmp
+    mv ../mpc-$MPC_VER mpc
+
+    patch_gcc
+
+# Configure in a dedicated build directory
+mkdir build && cd  build &&
+AR=ar LDFLAGS="-Wl,-rpath,${CROSS_TOOLS}/lib" \
+../configure \
+    --prefix=${CROSS_TOOLS} \
+    --build=${HOST} \
+    --host=${HOST} \
+    --target=${TARGET} \
+    --disable-multilib \
+    --with-sysroot=${CROSS_TOOLS} \
+    --disable-nls \
+    --enable-shared \
+    --enable-languages=c,c++ \
+    --enable-threads=posix \
+    --enable-clocale=generic \
+    --enable-libstdcxx-time \
+    --enable-fully-dynamic-string \
+    --disable-symvers \
+    --disable-libsanitizer \
+    --disable-lto-plugin \
+    --disable-libssp 
+
+    # Build
+    make AS_FOR_TARGET="${TARGET}-as" \
+        LD_FOR_TARGET="${TARGET}-ld" &&
+
+    # Install
+    make install
+}
+
+cross_tools_file () {
+    src "https://astron.com/pub/file/file-$FILE_VER.tar.gz"
+    ./configure --prefix=${CROSS_TOOLS} --disable-libseccomp
+    make && make install
+}
+
+for p in kernel_headers binutils gcc_static musl gcc_final file; do
+    printf "${BLUE}building $p...\n${RESET}"
+    cross_tools_$p || die "Failed building $p"
+done
+printf "${GREEN}finished building cross-tools${RESET}\n"
diff --git a/bootstrap/stage2.sh b/bootstrap/stage2.sh
new file mode 100644
index 0000000..245927b
--- /dev/null
+++ b/bootstrap/stage2.sh
@@ -0,0 +1,553 @@
+#!/bin/sh
+
+set_env () {
+    CC="${TARGET}-gcc"
+    CXX="${TARGET}-g++"
+    AR="${TARGET}-ar"
+    AS="${TARGET}-as"
+    RANLIB="${TARGET}-ranlib"
+    LD="${TARGET}-ld"
+    STRIP="${TARGET}-strip"
+    export CC CXX AR AS RANLIB LD STRIP
+}
+
+toolchain_musl () {
+    src "https://musl.libc.org/releases/musl-$MUSL_VER.tar.gz"
+    ./configure \
+        CROSS_COMPILE=${TARGET}- \
+        --prefix=/ \
+        --target=${TARGET} &&
+
+    make && make DESTDIR=$TOOLS install &&
+
+    case $(uname -m) in
+      x86_64)  rm  $TOOLS/lib/ld-musl-x86_64.so.1
+               ln -s libc.so $TOOLS/lib/ld-musl-x86_64.so.1
+               export barch=$(uname -m)
+               ;;
+      i686)    rm  $TOOLS/lib/ld-musl-i386.so.1
+               ln -s libc.so $TOOLS/lib/ld-musl-i386.so.1
+               export barch=i386
+               ;;
+      arm*)    rm  $TOOLS/lib/ld-musl-arm.so.1
+               ln -s libc.so $TOOLS/lib/ld-musl-arm.so.1
+               export barch=arm
+               ;;
+      aarch64) rm $TOOLS/lib/ld-musl-aarch64.so.1
+               ln -s libc.so $TOOLS/lib/ld-musl-aarch64.so.1
+               export barch=$(uname -m)
+               ;;
+    esac &&
+
+    # Create dynamic linker config
+    mkdir -p $TOOLS/etc &&
+    echo "$TOOLS/lib" > $TOOLS/etc/ld-musl-${barch}.path
+    unset barch
+}
+
+toolchain_cross_adjustments () {
+    export SPECFILE=`dirname $(${TARGET}-gcc -print-libgcc-file-name)`/specs
+    ${TARGET}-gcc -dumpspecs > specs
+
+    case $(uname -m) in
+      x86_64)  sed -i 's/\/lib\/ld-musl-x86_64.so.1/\/tools\/lib\/ld-musl-x86_64.so.1/g' specs
+               # check with
+               grep "/tools/lib/ld-musl-x86_64.so.1" specs  --color=auto
+               ;;
+      i686)    sed -i 's/\/lib\/ld-musl-i386.so.1/\/tools\/lib\/ld-musl-i386.so.1/g' specs
+               # check with
+               grep "/tools/lib/ld-musl-i386.so.1" specs  --color=auto
+               ;;
+      arm*)    sed -i 's/\/lib\/ld-musl-arm/\/tools\/lib\/ld-musl-arm/g' specs
+               # check with
+               grep "/tools/lib/ld-musl-arm" specs  --color=auto
+               ;;
+      aarch64) sed -i 's/\/lib\/ld-musl-aarch64/\/tools\/lib\/ld-musl-aarch64/g' specs
+               # check with
+               grep "/tools/lib/ld-musl-aarch64" specs  --color=auto
+               ;;
+    esac
+
+    # Install modified specs to the cross toolchain
+    mv specs $SPECFILE
+    unset SPECFILE
+
+    # Quick check the tool chain:
+    echo 'int main(){}' > dummy.c
+    ${TARGET}-gcc dummy.c
+    ${TARGET}-readelf -l a.out | grep Requesting
+
+    echo
+    echo "Output should be:"
+    echo "[Requesting program interpreter: /tools/lib/ld-musl-x86_64.so.1]"
+    echo "or"
+    echo "[Requesting program interpreter: /tools/lib/ld-musl-i386.so.1]"
+    echo "or"
+    echo "[Requesting program interpreter: /tools/lib/ld-musl-arm.so.1]"
+    echo "or"
+    echo "[Requesting program interpreter: /tools/lib/ld-musl-aarch64.so.1]"
+    echo "Please confirm the above, and pres enter to continue:"
+    read confirm
+
+    rm a.out dummy.c 
+}
+
+toolchain_adjustments () {
+    SPECFILE=`dirname $(${TARGET}-gcc -print-libgcc-file-name)`/specs &&
+    ${TARGET}-gcc -dumpspecs > tempspecfile
+
+    #case $(uname -m) in
+    #   i686)   # for i386
+    #           sed -i 's/\/lib\/ld-musl-i386.so.1/\/tools\/lib\/ld-musl-i386.so.1/g' tempspecfile
+    #           # check with sed
+    #           grep "/tools/lib/ld-musl-i386.so.1" tempspecfile  --color=auto
+    #           ;;
+    #   x86_64) # for x86_64
+    #           sed -i 's/\/lib\/ld-musl-x86_64.so.1/\/tools\/lib\/ld-musl-x86_64.so.1/g' tempspecfile
+    #           # check with
+    #           grep "/tools/lib/ld-musl-x86_64.so.1" tempspecfile --color=auto
+    #           ;;
+    #   arm*)   # for arm
+    #           sed -i 's/\/lib\/ld-musl-arm/\/tools\/lib\/ld-musl-arm/g' tempspecfile
+    #           # check with
+    #           grep "/tools/lib/ld-musl-arm" tempspecfile --color=auto
+    #           ;;
+    #   aarch64) # for 64-bit arm64
+    #           sed -i 's/\/lib\/ld-musl-aarch64/\/tools\/lib\/ld-musl-aarch64/g' tempspecfile
+    #           # check with
+    #           grep "/tools/lib/ld-musl-aarch64" tempspecfile --color=auto
+    #           ;;
+    #esac
+
+    mv -f tempspecfile $SPECFILE &&
+    unset SPECFILE
+
+    GCC_INCLUDEDIR=`dirname $(${TARGET}-gcc -print-libgcc-file-name)`/include &&
+    find ${GCC_INCLUDEDIR}/* -maxdepth 0 -xtype d -exec rm -rf '{}' \; &&
+    rm -f `grep -l "DO NOT EDIT THIS FILE" ${GCC_INCLUDEDIR}/*` &&
+    unset GCC_INCLUDEDIR
+
+    echo 'int main(){}' > dummy.c
+    ${TARGET}-gcc -B/tools/lib dummy.c
+    readelf -l a.out | grep ': /tools'
+    read confirm
+
+    rm dummy.c a.out
+
+}
+
+toolchain_binutils () {
+    src "https://ftp.gnu.org/gnu/binutils/binutils-$BINUTILS_VER.tar.xz"
+
+    # Link directories so libraries can be found in both lib & lib64
+    case $(uname -m) in
+            x86_64) ln -s lib $TOOLS/lib64 ;;
+    esac &&
+
+    # Configure in dedicated build directory
+    mkdir build && cd build &&
+    ../configure --prefix=$TOOLS            \
+                 --with-lib-path=$TOOLS/lib \
+                 --build=${HOST}       \
+                 --host=${TARGET}      \
+                 --target=${TARGET}    \
+                 --disable-nls              \
+                 --disable-werror           \
+                 --with-sysroot &&
+                 
+    make &&
+    make install &&
+
+    make -C ld clean &&
+    make -C ld LIB_PATH=/usr/lib:/lib &&
+    cp ld/ld-new $TOOLS/bin 
+}
+
+toolchain_gcc () {
+    src "https://ftp.gnu.org/gnu/mpfr/mpfr-$MPFR_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/gmp/gmp-$GMP_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/mpc/mpc-$MPC_VER.tar.gz"
+    src "https://ftp.gnu.org/gnu/gcc/gcc-$GCC_VER/gcc-$GCC_VER.tar.xz"
+
+    mv ../mpfr-$MPFR_VER mpfr &&
+    mv ../gmp-$GMP_VER gmp &&
+    mv ../mpc-$MPC_VER mpc &&
+
+    patch_gcc &&
+
+    # Re-create internal header
+    cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \
+      $(dirname $($TARGET-gcc -print-libgcc-file-name))/include-fixed/limits.h &&
+
+    ## Change the location of GCC's default dynamic linker to use the one installed in /tools
+    #
+    # For i686/x86_64:
+    for file in gcc/config/linux/linux.h gcc/config/linux/linux64.h gcc/config/i386/linux.h gcc/config/i386/linux64.h
+    do
+      cp $file $file.orig
+      sed -e "s,/lib\(64\)\?\(32\)\?/ld,$TOOLS&,g" \
+          -e "s,/usr,$TOOLS,g" ${file}.orig > ${file}
+      echo "
+#undef STANDARD_STARTFILE_PREFIX_1
+#undef STANDARD_STARTFILE_PREFIX_2
+#define STANDARD_STARTFILE_PREFIX_1 \"$TOOLS/lib/\"
+#define STANDARD_STARTFILE_PREFIX_2 \"\"" >> ${file}
+      touch ${file}.orig
+    done &&
+
+    # Configure in dedicated build directory
+    mkdir build && cd build &&
+    CFLAGS='-g0 -O0' \
+    CXXFLAGS=$CFLAGS \
+    ../configure                                       \
+        --target=${TARGET}                             \
+        --build=${HOST}                                \
+        --host=${TARGET}                               \
+        --prefix=$TOOLS                                \
+        --with-local-prefix=$TOOLS                     \
+        --with-native-system-header-dir=$TOOLS/include \
+        --with-pic                                     \
+        --enable-languages=c,c++                       \
+        --disable-libstdcxx-pch                        \
+        --disable-multilib                             \
+        --disable-bootstrap                            \
+        --disable-libgomp                              \
+        --disable-libquadmath                          \
+        --disable-libssp                               \
+        --disable-libvtv                               \
+        --disable-symvers                              \
+        --disable-libitm                               \
+        --disable-libsanitizer                         &&
+
+        PATH=$CROSS_TOOLS/bin:/bin:/usr/bin:$TOOLS/bin make &&
+        make install &&
+        ln -s gcc $TOOLS/bin/cc
+}
+
+toolchain_kernel_headers () {
+    src "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-$LINUX_VER.tar.xz"
+
+    make mrproper &&
+    ARCH=${ARCH} make headers &&
+    cp -r usr/include/* $TOOLS/include
+
+    find $TOOLS/include -name '.*.cmd' -exec rm -f {} \;
+    rm $TOOLS/include/Makefile
+}
+
+toolchain_libstdcxx () {
+    rm -rf ${WD} ; mkdir ${WD}
+    src "https://ftp.gnu.org/gnu/mpfr/mpfr-$MPFR_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/gmp/gmp-$GMP_VER.tar.xz"
+    src "https://ftp.gnu.org/gnu/mpc/mpc-$MPC_VER.tar.gz"
+    src "https://ftp.gnu.org/gnu/gcc/gcc-$GCC_VER/gcc-$GCC_VER.tar.xz"
+
+    mv ../mpfr-$MPFR_VER mpfr &&
+    mv ../gmp-$GMP_VER gmp &&
+    mv ../mpc-$MPC_VER mpc &&
+
+    ptch "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/gcc-mlfs-$GCC_VER/fix_fenv_header.patch" &&
+    patch_gcc &&
+
+    mkdir build && cd build &&
+    ../libstdc++-v3/configure           \
+        --target=${TARGET}              \
+        --build=${HOST}                 \
+        --host=${TARGET}                \
+        --prefix=$TOOLS                 \
+        --disable-multilib              \
+        --disable-nls                   \
+        --disable-libstdcxx-threads     \
+        --disable-libstdcxx-pch         \
+        --with-pic                      \
+        --with-gxx-include-dir=$TOOLS/${TARGET}/include/c++/$GCC_VER &&
+
+    make &&
+    make install 
+}
+
+toolchain_tcl () {
+    local source="https://downloads.sourceforge.net/tcl/tcl$TCL_VER-src.tar.gz"
+    local filename=$(basename $source)
+    printf "${LIGHT_BLUE}Fetching $filename...${RESET}\n"
+    curl ${CURL_OPTS} $source > $filename
+    extract $filename
+    cd tcl$TCL_VER
+    
+    cd unix
+    ac_cv_func_strtod=yes \
+    tcl_cv_strtod_buggy=1 \
+    ./configure --build=${HOST} \
+                --host=${TARGET} \
+                --prefix=${TOOLS} &&
+
+    make && make install
+
+    chmod u+w $TOOLS/lib/libtcl${TCL_VER%.*}.so
+    make install-private-headers
+    ln -s tclsh${TCL_VER%.*} $TOOLS/bin/tclsh
+}
+
+toolchain_expect () {
+    src "https://prdownloads.sourceforge.net/expect/expect$EXPECT_VER.tar.gz"
+
+    PATCH_URL="https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/expect-5.45.3"
+    ptch $PATCH_URL/dont-put-toolchain-in-libpath.patch
+    ptch $PATCH_URL/dont-configure-testsuites.patch
+    ptch $PATCH_URL/allow-cross-compile.patch
+
+    curl ${CURL_OPTS} "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/files/config.guess-musl" > tclconfig/config.guess
+    curl ${CURL_OPTS} "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/files/config.sub-musl" > tclconfig/config.sub
+    cp configure configure.orig
+    sed 's:/usr/local/bin:/bin:' configure.orig > configure
+
+    ./configure --build=${HOST} \
+                --host=${TARGET} \
+                --prefix=$TOOLS \
+                --with-tcl=$TOOLS/lib \
+                --with-tclinclude=$TOOLS/include &&
+
+    make && make SCRIPTS="" install
+}
+
+toolchain_dejagnu () {
+    src "https://ftp.gnu.org/gnu/dejagnu/dejagnu-$DEJAGNU_VER.tar.gz"
+    ./configure --build=${HOST} \
+                --host=${TARGET} \
+                --prefix=$TOOLS &&
+
+    make && make install
+}
+
+toolchain_m4 () {
+    src "https://ftp.gnu.org/gnu/m4/m4-$M4_VER.tar.xz"
+
+    ./configure --prefix=$TOOLS \
+                --build=${HOST} \
+                --host=${TARGET} &&
+
+    make && make install
+}
+
+toolchain_ncurses () {
+    src "https://invisible-mirror.net/archives/ncurses/ncurses-$NCURSES_VER.tar.gz" 
+    sed -i s/mawk// configure
+
+   # Configure source
+    ./configure --prefix=${TOOLS} \
+       --build=${HOST}  \
+       --host=${TARGET} \
+       --with-shared    \
+       --without-debug  \
+       --without-ada    \
+       --enable-widec   \
+       --enable-overwrite     
+    make && make install
+    echo "INPUT(-lncursesw)" > ${TOOLS}/lib/libncurses.so
+    ln -s libncurses.so ${TOOLS}/lib/libcurses.so
+}
+
+toolchain_bash () {
+    src "https://ftp.gnu.org/gnu/bash/bash-$BASH_VER.tar.gz"
+
+    cat > config.cache << "EOF"
+ac_cv_func_mmap_fixed_mapped=yes
+ac_cv_func_strcoll_works=yes
+ac_cv_func_working_mktime=yes
+bash_cv_func_sigsetjmp=present
+bash_cv_getcwd_malloc=yes
+bash_cv_job_control_missing=present
+bash_cv_printf_a_format=yes
+bash_cv_sys_named_pipes=present
+bash_cv_ulimit_maxfds=yes
+bash_cv_under_sys_siglist=yes
+bash_cv_unusable_rtsigs=no
+gt_cv_int_divbyzero_sigfpe=yes
+EOF
+    ./configure --prefix=${TOOLS} \
+                --without-bash-malloc \
+                --build=${HOST} \
+                --host=${TARGET} \
+                --cache-file=config.cache &&
+
+    make && make install
+}
+
+toolchain_bison () {
+    src "https://ftp.gnu.org/gnu/bison/bison-$BISON_VER.tar.xz"
+    ./configure --prefix=${TOOLS} \
+                --build=${HOST} \
+                --host=${TARGET} &&
+    make && make install
+}
+
+toolchain_coreutils () {
+    git clone git://git.suckless.org/sbase sbase
+    cd sbase
+    make && make PREFIX=/ DESTDIR=$TOOLS install 
+}
+
+toolchain_diffutils () {
+    src "https://ftp.gnu.org/gnu/diffutils/diffutils-$DIFFUTILS_VER.tar.xz"
+    ./configure --prefix=${TOOLS} \
+                --build=${HOST} \
+                --host=${TARGET}
+
+    make && make install
+}
+
+toolchain_file () {
+    src "https://astron.com/pub/file/file-$FILE_VER.tar.gz"
+    ./configure --prefix=${TOOLS} \
+                --build=${HOST} \
+                --host=${TARGET}
+    make && make install
+}
+
+toolchain_findutils () {
+    src "https://ftp.gnu.org/gnu/findutils/findutils-$FINDUTILS_VER.tar.xz"
+    sed -i 's/IO_ftrylockfile/IO_EOF_SEEN/' gl/lib/*.c               &&
+    sed -i '/unistd/a #include <sys/sysmacros.h>' gl/lib/mountlist.c &&
+    echo "#define _IO_IN_BACKUP 0x100" >> gl/lib/stdio-impl.h
+
+    ./configure --prefix=${TOOLS} \
+                --build=${HOST} \
+                --host=${TARGET}
+
+    make && make install
+}
+
+toolchain_gawk () {
+    src "https://ftp.gnu.org/gnu/gawk/gawk-$GAWK_VER.tar.xz"
+    ./configure --prefix=${TOOLS} \
+            --build=${HOST} \
+            --host=${TARGET}
+    make && make install
+}
+
+toolchain_gettext () {
+    src "https://ftp.barfooze.de/pub/sabotage/tarballs/gettext-tiny-$GETTEXT_TINY_VER.tar.xz"
+    make ${MJ} LIBINTL=MUSL prefix=$TOOLS
+    cp msgfmt msgmerge xgettext $TOOLS/bin 
+}
+
+toolchain_grep () {
+    src "https://ftp.gnu.org/gnu/grep/grep-$GREP_VER.tar.xz"
+
+    ./configure --prefix=${TOOLS} \
+            --build=${HOST} \
+            --host=${TARGET} &&
+    make && make install
+}
+
+toolchain_make () {
+    src "https://ftp.gnu.org/gnu/make/make-$MAKE_VER.tar.gz"
+
+    ./configure --prefix=${TOOLS} \
+            --build=${HOST} \
+            --host=${TARGET} \
+            --without-guile &&
+    make && make install
+}
+
+toolchain_patch () {
+    src "https://ftp.gnu.org/gnu/patch/patch-$PATCH_VER.tar.xz"
+    ./configure --prefix=${TOOLS} \
+            --build=${HOST} \
+            --host=${TARGET} &&
+    make && make install
+}
+
+toolchain_sed () {
+    src "https://ftp.gnu.org/gnu/sed/sed-$SED_VER.tar.xz"
+    ./configure --prefix=${TOOLS} \
+            --build=${HOST} \
+            --host=${TARGET} &&
+    make && make install
+}
+
+toolchain_perl () {
+    src "https://github.com/arsv/perl-cross/releases/download/$PERL_CROSS_VER/perl-cross-$PERL_CROSS_VER.tar.gz"
+    src "https://www.cpan.org/src/5.0/perl-$PERL_VER.tar.xz"
+
+    cp -rf ../perl-cross-$PERL_CROSS_VER/* ./
+
+    ./configure --prefix=${TOOLS} \
+                --target=${TARGET} &&
+    make &&
+    cp perl cpan/podlators/scripts/pod2man ${TOOLS}/bin &&
+    mkdir -p ${TOOLS}/lib/perl5/$PERL_VER    &&
+    cp -r lib/* ${TOOLS}/lib/perl5/$PERL_VER
+}
+
+toolchain_texinfo () {
+    src "https://ftp.gnu.org/gnu/texinfo/texinfo-$TEXINFO_VER.tar.xz"
+    ./configure --prefix=${TOOLS} \
+            --build=${HOST} \
+            --host=${TARGET} &&
+    make && make install
+}
+
+toolchain_flex () {
+    src "https://github.com/westes/flex/releases/download/v$FLEX_VER/flex-$FLEX_VER.tar.gz"
+
+    ac_cv_func_malloc_0_nonnull=yes   \
+    ac_cv_func_realloc_0_nonnull=yes  \
+    HELP2MAN=${TOOLS}/bin/true          \
+    ./configure --prefix=${TOOLS}       \
+                --build=${HOST}  \
+                --host=${TARGET}
+    make && make install
+}
+
+toolchain_strip () {
+    find ${TOOLS}/lib -type f -exec strip --strip-unneeded {} \;
+    /usr/bin/strip --strip-unneeded ${TOOLS}/bin/* ${TOOLS}/sbin/*
+
+    # Remove the documentation:
+    rm -rf ${TOOLS}/share/info \
+        ${TOOLS}/share/man \
+        ${TOOLS}/share/doc \
+        ${TOOLS}/info \
+        ${TOOLS}/man \
+        ${TOOLS}/doc 
+
+    find ${TOOLS}/lib ${TOOLS}/libexec -name \*.la -exec rm -rf {} \;
+}
+
+printf "${BLUE}building musl...\n${RESET}"
+toolchain_musl || die "Failed building musl"
+toolchain_cross_adjustments
+for p in \
+        binutils \
+        gcc \
+        kernel_headers \
+        adjustments \
+        libstdcxx \
+        tcl \
+        expect \
+        dejagnu \
+        m4 \
+        ncurses \
+        bash \
+        bison \
+        coreutils \
+        diffutils \
+        file \
+        findutils \
+        gawk \
+        gettext \
+        grep \
+        make\
+        patch \
+        sed \
+        texinfo \
+        flex \
+        ; do
+
+    printf "${BLUE}building $p...\n${RESET}"
+    set_env
+    toolchain_$p || die "Failed building $p"
+done
+
+printf "${GREEN}finished building toolchain${RESET}\n"
diff --git a/bootstrap/stage3.sh b/bootstrap/stage3.sh
new file mode 100644
index 0000000..567a4ad
--- /dev/null
+++ b/bootstrap/stage3.sh
@@ -0,0 +1,135 @@
+#!/bin/bash
+
+clean_build () {
+    rm -rf ${chroot}/build
+    mkdir ${chroot}/build
+}
+
+build_headers () {
+    src "https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-$LINUX_VER.tar.xz"
+    make mrproper
+
+    ptch "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/kernel/include-uapi-linux-swab-Fix-potentially-missing-__always_inline.patch"
+
+    cat > ${chroot}/build/build.sh << "EOF"
+#!/bin/bash
+cd /build/
+cp -r */* .
+
+make headers
+mkdir /usr/include
+cp -r usr/include/* /usr/include
+find /usr/include -name '.*' -exec rm -f {} \; 
+rm /usr/include/Makefile
+EOF
+    chmod +x ${chroot}/build/build.sh
+    tchroot  /build/build.sh
+}
+
+build_musl () {
+    src "https://musl.libc.org/releases/musl-$MUSL_VER.tar.gz"
+    ptch "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/musl-mlfs/fix-utmp-wtmp-paths.patch"
+    ptch "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/musl-mlfs/change-scheduler-functions-Linux-compatib.patch"
+    ptch "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/musl-alpine/0001-riscv64-define-ELF_NFPREG.patch"
+    ptch "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/musl-alpine/handle-aux-at_base.patch
+"
+    ptch "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/patches/musl-alpine/syscall-cp-epoll.patch"
+    curl "https://raw.githubusercontent.com/dslm4515/Musl-LFS/master/files/__stack_chk_fail_local.c" > __stack_chk_fail_local.c
+
+    cat > ${chroot}/build/build.sh << "EOF"
+#!/bin/bash
+cd /build/
+cp -r */* .
+LDFLAGS="$LDFLAGS -Wl,-soname,libc.musl-${CARCH}.so.1" \
+./configure --prefix=/usr \
+        --sysconfdir=/etc \
+        --localstatedir=/var \
+        --disable-gcc-wrapper
+
+make && make  install
+
+
+/tools/bin/x86_64-linux-musl-gcc -fpie -c __stack_chk_fail_local.c -o __stack_chk_fail_local.o
+/tools/bin/x86_64-linux-musl-gcc-ar r libssp_nonshared.a __stack_chk_fail_local.o
+
+cp libssp_nonshared.a /usr/lib/
+
+export ARCH="x86_64"
+
+ln -s /lib/ld-musl-$ARCH.so.1 /bin/ldd
+EOF
+    chmod +x ${chroot}/build/build.sh
+    tchroot /build/build.sh
+}
+
+adjust_tools() {
+    
+    cat > ${chroot}/build/build.sh << "EOF"
+#!/bin/bash
+export TARGET="x86_64-linux-musl"
+mv /tools/bin/{ld,ld-old}
+mv /tools/${TARGET}/bin/{ld,ld-old}
+mv /tools/bin/{ld-new,ld}
+ln -s /tools/bin/ld /tools/${TARGET}/bin/ld
+
+export SPECFILE=`dirname $(gcc -print-libgcc-file-name)`/specs
+gcc -dumpspecs | sed -e 's@/tools@@g'                   \
+    -e '/\*startfile_prefix_spec:/{n;s@.*@/usr/lib/ @}' \
+    -e '/\*cpp:/{n;s@$@ -isystem /usr/include@}' >  tempspecfile
+mv -f tempspecfile $SPECFILE &&
+unset SPECFILE  TARGET
+
+echo 'int main(){}' > dummy.c
+cc dummy.c -v -Wl,--verbose > dummy.log 2>&1 
+readelf -l a.out | grep ': /lib'
+printf "above should be:\n\033[0;33m[Requesting program interpreter: /lib/ld-musl-x86_64.so.1]\033[0m\n"
+printf "######################\n"
+read wait
+
+grep -o '/usr/lib.*/crt[1in].*succeeded' dummy.log
+printf "above should be:\033[0;33m\n"
+printf "/usr/lib/crt1.o succeeded\n"
+printf "/usr/lib/crti.o succeeded\n"
+printf "/usr/lib/crtn.o succeeded\n"
+printf "\033[0m\n"
+printf "######################\n"
+read wait
+
+
+grep -B1 '^ /usr/include' dummy.log
+printf "above should be:\033[0;33m\n"
+printf "#include <...> search starts here:\n"
+printf "/usr/include\n"
+printf "\033[0m\n"
+printf "######################\n"
+read wait
+
+grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g'
+printf "above should be:\033[0;33m\n"
+printf "SEARCH_DIR(\"=/tools/x86_64-mlfs-linux-musl/lib64\")\n"
+printf "SEARCH_DIR(\"/usr/lib\")\n"
+printf "SEARCH_DIR(\"/lib\")\n"
+printf "SEARCH_DIR(\"=/tools/x86_64-mlfs-linux-musl/lib\")\n"
+printf "\033[0m\n"
+printf "######################\n"
+read wait
+rm dummy.c a.out dummy.log
+EOF
+    chmod +x ${chroot}/build/build.sh
+    tchroot /build/build.sh
+}
+
+umount_chroot
+rm -r ${chroot}
+create_chroot
+mount_chroot
+export WD=${chroot}/build
+clean_build
+build_headers
+clean_build
+build_musl
+clean_build
+adjust_tools
+clean_build
+
+printf "${GREEN}Completed stage3\n"