slackbuilds/d/avr-gcc/avr-gcc.SlackBuild

#!/bin/sh
# Set initial variables:
CWD=$(pwd)

APP=avr-gcc
SRC=gcc
VERSION=$(ls $SRC-*.tar.?z* | sed -e 's/\.tar\..z.*//' | rev | cut -d- -f1 | rev)
MARCH=${MARCH:-native}
ARCH=${ARCH:-x86_64}
BUILD=${BUILD:-1}
TAG=${TAG:-micu}
TMP=${TMP:-/tmp}
OUTDIR=${OUTDIR:-$TMP}

LIBSUFFIX=""
BUILDABI=""

if [ "$MARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mtune=i686"
elif [ "$MARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
elif [ "$MARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$MARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686"
elif [ "$MARCH" = "nocona" ]; then
  SLKCFLAGS="-O2 -march=nocona -mtune=generic -mmmx -msse -msse2 -msse3"
elif [ "$MARCH" = "core2" ]; then
  SLKCFLAGS="-O2 -march=core2 -mtune=core2 -mmmx -msse -msse2 -msse3"
elif [ "$MARCH" = "atom" -o "$MARCH" = "bonnell" ]; then
  SLKCFLAGS="-O2 -march=bonnell -mmmx -msse -msse2 -msse3 -mssse3 -mcx16 -msahf -mmovbe -mfxsr --param l1-cache-size=24 --param l1-cache-line-size=64 --param l2-cache-size=512 -mtune=bonnell"
elif [ "$MARCH" = "sandybridge" ]; then
  SLKCFLAGS="-O2 -march=sandybridge"
elif [ "$MARCH" = "pentium3" ]; then
  SLKCFLAGS="-O2 -march=pentium3 -mmmx -msse"
elif [ "$MARCH" = "pentium2" ]; then
  SLKCFLAGS="-O2 -march=pentium2 -mmmx"
elif [ "$MARCH" = "s390" ]; then
  SLKCFLAGS="-O2"
elif [ "$MARCH" = "armv7l" ]; then
  BUILDABI="-gnueabi"
  SLKCFLAGS="-O2 -mcpu=cortex-a53"
else
  SLKCFLAGS="-O2 -march=$MARCH"
fi

if [ "$ARCH" = "x86_64" ]; then
  LIBSUFFIX=${LIBSUFFIX:-64}
  SLKCFLAGS="$SLKCFLAGS -fPIC -m64"
fi

MAKE="make -j $(nproc)"

PKG=$TMP/package-$APP
rm -rf $PKG
mkdir -p $PKG
cd $TMP
rm -rf $SRC-$VERSION ${APP}-build
tar xvf $CWD/$SRC-$VERSION.tar.?z* || exit 1
( cd $SRC-$VERSION || exit 1
  chown -R root:root .
  find . -perm 444 -exec chmod 644 {} \;
  find . -perm 777 -exec chmod 755 {} \;
  find . -perm 666 -exec chmod 644 {} \; )
mkdir ${APP}-build
cd ${APP}-build || exit 1

CFLAGS_FOR_BUILD="$SLKCFLAGS" \
CXXFLAGS_FOR_BUILD="$SLKCFLAGS" \
../$SRC-$VERSION/configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBSUFFIX} \
  --sysconfdir=/etc \
  --localstatedir=/var \
  --infodir=/usr/info \
  --mandir=/usr/man \
  --disable-install-libiberty \
  --disable-libssp \
  --disable-libstdcxx-pch \
  --disable-libunwind-exceptions \
  --disable-linker-build-id \
  --disable-nls \
  --disable-werror \
  --enable-__cxa_atexit \
  --enable-checking=release \
  --enable-clocale=gnu \
  --enable-cloog-backend=isl \
  --enable-gnu-unique-object \
  --enable-gold \
  --enable-languages=c,c++ \
  --enable-ld=default \
  --enable-lto \
  --enable-plugin \
  --enable-shared \
  --target=avr \
  --with-as=/usr/bin/avr-as \
  --with-gnu-as \
  --with-gnu-ld \
  --with-ld=/usr/bin/avr-ld \
  --with-plugin-ld=ld.gold \
  --with-system-zlib \
  --with-dwarf2 \
  --program-prefix="avr-" \
  --program-suffix="" \
  --build=$ARCH-slackware-linux${BUILDABI} || exit 1

$MAKE || exit 1
make install DESTDIR=$PKG || exit 1

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

# Remove useless stuff
rm -rf $PKG/usr/lib${LIBSUFFIX}/libiberty.a
rm -rf $PKG/usr/info
rm -rf $PKG/usr/include
rm -rf $PKG/usr/share
rm -rf $PKG/usr/man/man7
rm -rf $PKG/usr/libexec/gcc/avr/$VERSION/install-tools

chown -R root:bin $PKG/usr/bin

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

# Compress and if needed symlink the man pages:
if [ -d $PKG/usr/info ]; then
  rm -f $PKG/usr/info/dir
  gzip -9 $PKG/usr/info/*
fi
if [ -d $PKG/usr/man ]; then
  ( cd $PKG/usr/man
    for manpagedir in $(find . -type d -name "man*") ; do
      ( cd $manpagedir
        for eachpage in $( find . -type l -maxdepth 1) ; do
          ln -s $( readlink $eachpage ).gz $eachpage.gz
          rm $eachpage
        done
        gzip -9 *.?
      )
    done
  )
fi

mkdir -p $PKG/usr/doc/$APP-$VERSION
( cd ../$SRC-$VERSION && \
  cp -a COPYING* ChangeLog MAINTAINERS NEWS README* \
  $PKG/usr/doc/$APP-$VERSION )

mkdir -p $PKG/install
[ -f $CWD/doinst.sh ] && cat $CWD/doinst.sh > $PKG/install/doinst.sh
[ -f $CWD/doinst.sh.gz ] && zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh
cat $CWD/slack-desc > $PKG/install/slack-desc

# Allow to run as non-root until now:
if [ $(id -u) -ne 0 ]; then
  echo "*** Running as non-root, skipping makepkg."
  echo "*** Package contents is in $PKG directory."
  exit 0
fi

cd $PKG
makepkg -l y -c n $OUTDIR/$APP-$VERSION-$ARCH-${BUILD}${TAG}.txz

# Clean up the extra stuff:
if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP/$SRC-$VERSION $TMP/$APP-build
  rm -rf $PKG
fi