_failing_ attempt at ECLFS with glibc

01-env-setup.sh

#!/bin/bash
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
	logFatal 'You _must_ `source env-setup.sh` this file, not execute it.'
fi

# --- Directories and paths ----------------------------------------------------

export TITCHY=/opt/titchy
export PATH=${TITCHY}/toolchain/bin:/bin:/usr/bin

# --- Compiler settings --------------------------------------------------------

# unset any flags that may be hanging around
export -n CFLAGS CC CXX AR AS LD RANLIB READELF STRIP

# host is the machine our cross-compile toolchain must execute on
export TITCHY_HOST=$(echo ${MACHTYPE} | sed "s/-[^-]*/-cross/")

# configure target and arch settings
export TITCHY_TARGET="arm-linux-gnueabihf"
export TITCHY_ARCH="arm"
export TITCHY_ARM_ARCH="armv7-a"
export TITCHY_FLOAT="hard"
export TITCHY_FPU="vfpv3"

# posix language handling
export LC_ALL=POSIX

02-build.sh

#!/bin/bash

# Cut down build script with all my other cruft removed.

mkdir -pv ${TITCHY}/tmp
mkdir -pv ${TITCHY}/toolchain/${TITCHY_TARGET}
ln -sfv . ${TITCHY}/toolchain/${TITCHY_TARGET}/usr

# --- LINUX HEADERS

VERSION=4.0.3

cd $TITCHY/tmp
rm -rf linux-$VERSION
tar xf $TITCHY/src/linux-$VERSION.tar.?z
cd linux-$VERSION

make mrproper
make ARCH=${TITCHY_ARCH} headers_check
make ARCH=${TITCHY_ARCH} INSTALL_HDR_PATH=${TITCHY}/toolchain/${TITCHY_TARGET} headers_install

cd $TITCHY/tmp
rm -rf linux-4.0.3

# --- BINUTILS

VERSION=2.25

cd $TITCHY/tmp
rm -rf binutils-$VERSION binutils-build
tar xf $TITCHY/src/binutils-$VERSION.tar.bz2

mkdir -v binutils-build
cd binutils-build


AR=ar AS=as ../binutils-$VERSION/configure \
  --prefix=${TITCHY}/toolchain \
  --host=${TITCHY_HOST} \
  --target=${TITCHY_TARGET} \
  --with-sysroot=${TITCHY}/toolchain/${TITCHY_TARGET} \
  --with-lib-path=${TITCHY}/toolchain/${TITCHY_TARGET}/lib \
  --disable-nls \
  --disable-multilib

make configure-host
make -j6
make install

cd $TITCHY/tmp
rm -rf binutils-$VERSION binutils-build

# --- GCC - INITIAL PASS

VERSION=5.1.0

cd $TITCHY/tmp
rm -rf gcc-$VERSION gcc-build-static
mkdir -v gcc-build-static
tar xf $TITCHY/src/gcc-$VERSION.tar.bz2

cd gcc-$VERSION

tar xf $TITCHY/src/mpfr-3.1.2.tar.xz
mv -v mpfr-3.1.2 mpfr
tar xf $TITCHY/src/gmp-6.0.0a.tar.bz2
mv -v gmp-6.0.0 gmp
tar xf $TITCHY/src/mpc-1.0.3.tar.gz
mv -v mpc-1.0.3 mpc

cd ../gcc-build-static


../gcc-$VERSION/configure \
    --prefix=${TITCHY}/toolchain \
    --build=${TITCHY_HOST} \
    --host=${TITCHY_HOST} \
    --target=${TITCHY_TARGET} \
    --with-sysroot=${TITCHY}/toolchain/${TITCHY_TARGET} \
    --with-native-system-header-dir=${TITCHY}/toolchain/${TITCHY_TARGET}/include \
    --with-glibc-version=2.21 \
    --with-newlib \
    --without-headers \
    --disable-nls \
    --disable-shared \
    --disable-multilib \
    --disable-decimal-float \
    --disable-threads \
    --disable-libgomp \
    --disable-libssp \
    --disable-libatomic \
    --disable-libquadmath \
    --disable-libsanitizer \
    --disable-libssp \
    --disable-libvtv \
    --disable-libcilkrts \
    --disable-libstdc++-v3 \
    --enable-languages=c,c++ \
    --with-mpfr-include=$(pwd)/../gcc-$VERSION/mpfr/src \
    --with-mpfr-lib=$(pwd)/mpfr/src/.libs \
    --with-arch=${TITCHY_ARM_ARCH} \
    --with-float=${TITCHY_FLOAT} \
    --with-fpu=${TITCHY_FPU}

make configure-host
make -j6
make install

cd $TITCHY/tmp
rm -rf gcc-$VERSION gcc-build-static

# --- GLIBC

VERSION=2.21

cd $TITCHY/tmp
rm -rf glibc-$VERSION glibc-build
mkdir -v glibc-build
tar xf $TITCHY/src/glibc-$VERSION.tar.xz

cd glibc-build

BUILD_CC=gcc CC=${TITCHY_TARGET}-gcc AR=${TITCHY_TARGET}-ar RANLIB=${TITCHY_TARGET}-ranlib ../glibc-$VERSION/configure \
    --prefix=/usr \
    --host=${TITCHY_TARGET} \
    --build=${TITCHY_HOST} \
    --disable-profile \
    --with-binutils=${TITCHY}/toolchain/${TITCHY_TARGET}/bin \
    --with-headers=${TITCHY}/toolchain/${TITCHY_TARGET}/include \
    --enable-kernel=4.0.3 \
    libc_cv_forced_unwind=yes \
    libc_cv_ctors_header=yes \
    libc_cv_c_cleanup=yes

make
make install install_root=${TITCHY}/toolchain/${TITCHY_TARGET}

cd $TITCHY/tmp
rm -rf glibc-$VERSION glibc-build

# --- GCC - FINAL PASS

VERSION=5.1.0

cd $TITCHY/tmp
rm -rf gcc-$VERSION gcc-build-final
mkdir -v gcc-build-final
tar xf $TITCHY/src/gcc-$VERSION.tar.bz2

cd gcc-$VERSION

tar xf $TITCHY/src/mpfr-3.1.2.tar.xz
mv -v mpfr-3.1.2 mpfr
tar xf $TITCHY/src/gmp-6.0.0a.tar.bz2
mv -v gmp-6.0.0 gmp
tar xf $TITCHY/src/mpc-1.0.3.tar.gz
mv -v mpc-1.0.3 mpc

cd ../gcc-build-final

../gcc-$VERSION/configure \
    --prefix=${TITCHY}/toolchain \
    --build=${TITCHY_HOST} \
    --host=${TITCHY_HOST} \
    --target=${TITCHY_TARGET} \
    --with-sysroot=${TITCHY}/toolchain/${TITCHY_TARGET} \
    --with-glibc-version=2.21 \
    --disable-nls \
    --disable-multilib \
    --disable-libstdcxx-pch \
    --disable-libsanitizer \
    --enable-languages=c,c++ \
    --enable-c99 \
    --enable-long-long \
    --enable-__cxa_atexit \
    --with-mpfr-include=$(pwd)/../gcc-$VERSION/mpfr/src \
    --with-mpfr-lib=$(pwd)/mpfr/src/.libs \
    --with-arch=${TITCHY_ARM_ARCH} \
    --with-float=${TITCHY_FLOAT} \
    --with-fpu=${TITCHY_FPU}

make -j6
make install

cd $TITCHY/tmp
rm -rf gcc-$VERSION gcc-build-final

# --- SETUP BASE

mkdir -pv ${TITCHY}/system/{bin,boot,dev,etc,home,lib/{firmware,modules}}
mkdir -pv ${TITCHY}/system/{mnt,opt,proc,sbin,srv,sys}
mkdir -pv ${TITCHY}/system/var/{cache,lib,local,lock,log,opt,run,spool}
mkdir -pv ${TITCHY}/system/usr/{,local/}{bin,include,lib,sbin,share,src}

install -dv -m 0750 ${TITCHY}/system/root
install -dv -m 1777 ${TITCHY}/system/tmp

ln -svf ../proc/mounts ${TITCHY}/system/etc/mtab

cat > ${TITCHY}/system/etc/passwd << "EOF"
root::0:0:root:/root:/bin/ash
bin:x:1:1:bin:/bin:/bin/false
EOF

cat > ${TITCHY}/system/etc/group << "EOF"
root:x:0:
bin:x:1:
sys:x:2:
kmem:x:3:
tty:x:4:
tape: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:
EOF

touch ${TITCHY}/system/var/run/utmp ${TITCHY}/system/var/log/{btmp,lastlog,wtmp}
chmod -v 664 ${TITCHY}/system/var/run/utmp ${TITCHY}/system/var/log/lastlog

# --- BUSYBOX

VERSION=1.23.2

cd $TITCHY/tmp
rm -rf busybox-$VERSION
tar xf $TITCHY/src/busybox-$VERSION.tar.bz2
cd busybox-$VERSION


make distclean
ARCH="${TITCHY_ARCH}" make defconfig

# disable building both ifplugd and inetd
sed -i 's/\(CONFIG_\)\(.*\)\(INETD\)\(.*\)=y/# \1\2\3\4 is not set/g' .config
sed -i 's/\(CONFIG_IFPLUGD\)=y/# \1 is not set/' .config

ARCH="${TITCHY_ARCH}" CROSS_COMPILE="${TITCHY_TARGET}-" make
ARCH="${TITCHY_ARCH}" CROSS_COMPILE="${TITCHY_TARGET}-" make CONFIG_PREFIX="${TITCHY}/system" install

cd $TITCHY/tmp
rm -rf busybox-$VERSION