slackbuilds/d/gcc-arm-none-eabi/gcc-arm-none-eabi.SlackBuild

#!/bin/bash
# Build script for Slackware
# Copyright (C) 2018 Damien Goutte-Gattat
#
# Redistribution and use of this script, with or without modifications,
# is permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
# INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
# STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Contact: Damien Goutte-Gattat <dgouttegattat@incenp.org>
#
# Latest gcc sourcecode is available at: <http://sourceware.org/>.
#
# Depends: d/newlib-arm-none-eabi

# Source package infos
NAMESRC=${NAMESRC:-gcc}
VERSION=${VERSION:-6.3.1}
REVISION=${REVISION:-253039}
ARCHIVE=${ARCHIVE:-$NAMESRC-${VERSION}svn$REVISION.tar.xz}
REPOURL=${REPOURL:-svn://gcc.gnu.org/svc/gcc/branches/ARM/embedded-6-branch}

# Build infos
NAMEPKG=${NAMEPKG:-gcc-arm-none-eabi}
BUILD=${BUILD:-1GGD}
ARCH=${ARCH:-$(uname -m | sed 's/^i.86$/i486/;s/^arm.*/arm/')}
JOBS=${JOBS:-1}
EXT=${EXT:-txz}

# Directories
TMP=${TMP:-/tmp}
OUT=${OUT:-$TMP/build}
PKG=${PKG:-$OUT/$NAMEPKG}
CWD=$(pwd)

LIBDIRSUFFIX=
[ "x$ARCH" == xx86_64 ] && LIBDIRSUFFIX=64

set -e  # Quit if a command returns non-zero

# Sanity checks
if [ $UID -eq 0 ]; then
    echo "You should NOT run this script as ROOT!"
    exit 1
fi
if [ ! -d $TMP ]; then
    echo "$TMP does not exists or is not a directory!"
    exit 1
fi

# Get and verify the source archive
NAME=gcc-${VERSION}svn$REVISION
if [ ! -r $ARCHIVE ]; then
    svn co $REPOURL@$REVISION $NAME
    tar -c --xz \
	--exclude=".svn" \
	--exclude="libffi" \
	--exclude="libgomp" \
	--exclude="libquadmath" \
	--exclude="libssp" \
	--exclude="libada" \
	--exclude="libgfortran" \
	--exclude="libcilkrts" \
	--exclude="libgo" \
	--exclude="libjava" \
	--exclude="zlib" \
	--exclude="gcc/testsuite/ada" \
	--exclude="gcc/testsuite/gfortran.dg" \
	--exclude="gcc/testsuite/gfortran.fortran-torture" \
	--exclude="gcc/testsuite/go.dg" \
	--exclude="gcc/testsuite/go.go-torture" \
	--exclude="gcc/testsuite/go.test" \
	--exclude="gcc/testsuite/objc" \
	--exclude="gcc/testsuite/obj-c++.dg" \
	--exclude="gcc/testsuite/objc.dg" \
	--exclude="gcc/testsuite/objc-obj-c++-shared" \
	--exclude="gcc/ada/doc" \
	-f $NAME.tar.xz $NAME
    rm -rf $NAME
fi
sha256sum -c $ARCHIVE.sha256

# Compile 2nd stage GCC
cd $TMP
echo "Building $ARCHIVE..."
tar xf $CWD/$ARCHIVE
mkdir buildgcc && cd buildgcc
../$NAME/configure \
  --prefix=/usr \
  --libdir=/usr/lib$LIBDIRSUFFIX \
  --build=$ARCH-slackware-linux \
  --target=arm-none-eabi \
  --with-sysroot=/usr/arm-none-eabi \
  --enable-languages=c,c++ \
  --enable-plugins \
  --disable-decimal-float \
  --disable-libffi \
  --disable-libgomp \
  --disable-libmudflap \
  --disable-libquadmath \
  --disable-libssp \
  --disable-libstdcxx-pch \
  --disable-nls \
  --disable-shared \
  --disable-threads \
  --disable-tls \
  --with-gnu-as \
  --with-gnu-ld \
  --with-newlib \
  --with-headers=yes \
  --with-python-dir=share/gcc-arm-none-eabi
make -j $JOBS INHIBIT_LIBC_CFLAGS="-DUSE_TM_CLONE_REGISTRY=0"
make install DESTDIR=$PKG
rmdir $PKG/usr/include
rm $PKG/usr/lib$LIBDIRSUFFIX/libcc1.*

# Strip binaries
find $PKG/usr/bin | xargs file | grep "ELF \(32\|64\)-bit LSB" | cut -d : -f 1 | \
  xargs strip --strip-unneeded 2> /dev/null

# Remove man and info pages
rm -rf $PKG/usr/share/{man,info}

# Copy slack-desc file
install -D -m 644 $CWD/slack-desc $PKG/install/slack-desc

# Add dependency infos
cat <<EOF > $PKG/install/slack-required
newlib-arm-none-eabi
EOF

# Package the tree
cd $PKG
mkdir -p $OUT
PACKAGING="
chown root:root . -R
/sbin/makepkg -l y -c n $OUT/$NAMEPKG-$VERSION-$ARCH-$BUILD.$EXT
rm -rf $PKG
rm -rf $TMP/$NAME $TMP/buildgcc
"
if type -p fakeroot ; then
    echo "$PACKAGING" | fakeroot
else
    su -c "$PACKAGING"
fi