#!/bin/bash

# Copyright 2005-2026  Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, 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.

# Modified 2011 by Eric Hameleers <alien at slackware.com> for ARM port.

cd $(dirname $0) ; CWD=$(pwd)

PKGNAM=binutils
SRCNAM=binutils
VERSION=${VERSION:-$(echo $SRCNAM-*.tar.?z | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
BUILD=${BUILD:-1}

if [ "$SRCNAM" = "binutils-with-gold" ]; then
  # If you're using the binutils-with-gold tarball, we'll assume you want gold:
  LDGOLD=${LDGOLD:-"--enable-gold=yes"}
fi

# Automatically determine the architecture we're building on:
MARCH=$( uname -m )
if [ -z "$ARCH" ]; then
  case "$MARCH" in
    i?86)    export ARCH=i686 ;;
    armv7hl) export ARCH=$MARCH ;;
    arm*)    export ARCH=arm ;;
    # Unless $ARCH is already set, use uname -m for all other archs:
    *)       export ARCH=$MARCH ;;
  esac
fi

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PKGNAM-$VERSION-$ARCH-$BUILD.txz"
  exit 0
fi

NUMJOBS=${NUMJOBS:-" -j$(expr $(nproc) + 1) "}

# Set to ld.bfd.
DEFAULT_LD=${DEFAULT_LD:-ld.bfd}

if [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=pentium4 -mtune=generic"
  # The config option below is currently needed to compile on x86:
  WERROR="--enable-werror=no"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -march=x86-64 -mtune=generic -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

case "$ARCH" in
    arm*) TARGET=$ARCH-slackware-linux-gnueabi ;;
    *)    TARGET=$ARCH-slackware-linux ;;
esac

TMP=${TMP:-/tmp}
PKG=$TMP/package-binutils

rm -rf $PKG
mkdir -p $TMP $PKG

cd $TMP
rm -rf $SRCNAM-$VERSION
echo "Extracting $CWD/$SRCNAM-$VERSION.tar.?z..."
tar xf $CWD/$SRCNAM-$VERSION.tar.?z || exit 1
cd $SRCNAM-$VERSION || exit 1

# Various upstream patches:
# (none currently)

# These were shipped empty and will need to be regenerated:
rm -f binutils/doc/*.1 binutils/doc/*.man gprof/gprof.1 ld/ld.1 gas/doc/as.1

# Export the demangle.h header file (I suspect this is obsolete...):
cat $CWD/patches/binutils-export-demangle.h.patch | patch -p1 --verbose || exit 1

# Don't check to see if "config.h" was included in the installed headers:
cat $CWD/patches/binutils-no-config-h-check.patch | patch -p1 --verbose || exit 1

# Work around a bug caused by binutils using an ancient libtool:
cat $CWD/patches/binutils-libtool-lib64.patch | patch -p1 --verbose || exit 1

# Various regression fixes:
cat $CWD/patches/binutils-2.27-aarch64-ifunc.patch | patch -p1 --verbose || exit 1
cat $CWD/patches/binutils-do-not-link-with-static-libstdc++.patch | patch -p1 --verbose || exit 1
cat $CWD/patches/binutils-readelf-other-sym-info.patch | patch -p1 --verbose || exit 1

# Turn this off so that we don't get a date in the sonames:
sed -i "s/development=true/development=false/g" bfd/development.sh

chown -R root:root .
find . \
  \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
  -exec chmod 755 {} \+ -o \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \+

# End of preparations
if echo "$*" | grep -qw -- --prep ; then
  exit 0
fi

# Build for an x86 glibc2-based Linux system:
CFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --sysconfdir=/etc \
  --mandir=/usr/man \
  --infodir=/usr/info \
  --docdir=/usr/doc/binutils-$VERSION \
  --disable-compressed-debug-sections \
  --enable-shared \
  --enable-multilib \
  --enable-64-bit-bfd \
  --enable-plugins \
  --enable-threads \
  --enable-targets=i386-efi-pe,bpf-unknown-none,${TARGET} \
  --enable-install-libiberty \
  --enable-ld=default \
  --enable-initfini-array \
  $LDGOLD \
  $WERROR \
  --build=$TARGET \
  || exit 1

# Use "tooldir=/usr" to avoid internal references to the /usr/${TARGET}/
# directory. While binutils won't actually use that directory after this,
# we'll still create it since some people have made local use of it.
# Note that this will place ldscripts in /usr/lib, even on $ARCH that
# use LIBDIRSUFFIX=64. According to Ian Lance Taylor, the ldscripts have
# been built into the linker for quite some time and the ones in the
# filesystem aren't actually loaded. For the most part they are now
# documentation and it doesn't matter where they reside.
make clean || exit 1
make tooldir=/usr $NUMJOBS || make tooldir=/usr || exit 1
make tooldir=/usr install DESTDIR=$PKG || exit 1

# Don't ship .la files:
rm -f $PKG/{,usr/}lib${LIBDIRSUFFIX}/*.la

# Add a symlink since binutils's version of strings used to be called
# "strings-GNU" on Slackware, and it's possible that people have scripts
# that use that name:
( cd $PKG/usr/bin ; ln -sf strings strings-GNU )

## Copy demangle.h, since some things might be looking for it in /usr/include,
## and others in /usr/include/libiberty:
#if [ -e $PKG//usr/include/libiberty/demangle.h -a ! -e $PKG//usr/include/demangle.h ]; then
#  cp -a $PKG//usr/include/libiberty/demangle.h $PKG//usr/include/demangle.h
#fi

# If the requested default linker is present, make it the default:
# Set the link differently on the system to change the default at runtime.
if [ -r $PKG/usr/bin/$DEFAULT_LD ]; then
  ( cd $PKG/usr/bin ; rm -f ld ; ln -sf $DEFAULT_LD ld )
fi

find $PKG | xargs file | grep -e "executable" -e "shared object" \
  | grep ELF | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null

# Compress manual pages:
find $PKG/usr/man -type f -exec gzip -9 {} \+
for i in $( find $PKG/usr/man -type l ) ; do
  ln -s $( readlink $i ).gz $i.gz
  rm $i
done

# Compress info pages
rm -f $PKG/usr/info/dir
gzip -9 $PKG/usr/info/*

mkdir -p $PKG/usr/doc/binutils-$VERSION
cp \
  $CWD/release.binutils-* \
  COPYING* ChangeLog.linux MAI* README* \
  $PKG/usr/doc/binutils-$VERSION

# If there's a ChangeLog, installing at least part of the recent history
# is useful, but don't let it get totally out of control:
if [ -r ChangeLog ]; then
  DOCSDIR=$(echo $PKG/usr/doc/*-$VERSION)
  cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
  touch -r ChangeLog $DOCSDIR/ChangeLog
fi

chown -R root:root $PKG/usr/doc/binutils-$VERSION

# Add slack-desc:
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $TMP/binutils-$VERSION-$ARCH-$BUILD.txz

cat << EOF

#############################
oprofile links to libbfd so
be sure to recompile that
#############################

EOF