# Maintainer: Douglas Soares de Andrade <dsandrade@gmail.com>
# Contributor: judd <jvinet@zeroflux.org>
# Contributor: Mario A. Vazquez
# Contributor: Jerzy Goca <juras256@epf.pl>

pkgname=grub
pkgver=0.97
pkgrel=43
pkgdesc="A GNU multiboot boot loader"
arch=('i686' 'x86_64')
license=('GPL')
url="http://www.gnu.org/software/grub/"
depends=('ncurses')
makedepends=('automake>=1.10' 'autoconf>=2.61' 'patch')
#conflicts=('grub')
groups=('base')
provides=('grub')
source=(ftp://alpha.gnu.org/gnu/grub/grub-$pkgver.tar.gz \
        menu.lst install-grub grub-0.97-graphics.patch \
        splash.xpm.gz grub-inode-size.patch \
        040_all_grub-0.96-nxstack.patch \
        05-grub-0.97-initrdaddr.diff ext4.patch \
        i2o.patch special-devices.patch more-raid.patch intelmac.patch)
backup=('boot/grub/menu.lst')
install=grub-gfx.install

build() {
  cd $startdir/src/grub-$pkgver

  #set destination architecture here
  DESTARCH="i686"
  #DESTARCH="x86_64"

  # graphics patch
  patch -p1 < ../grub-0.97-graphics.patch || return 1

  # optimizations break the build -- disable them
  # adding special devices to grub, patches are from fedora
  patch -Np1 -i ../special-devices.patch || return 1
  patch -Np1 -i ../i2o.patch || return 1
  patch -Np1 -i ../more-raid.patch || return 1
  patch -Np1 -i ../intelmac.patch || return 1
  patch -Np1 -i ../grub-inode-size.patch || return 1
  patch -Np1 -i ../ext4.patch || return 1

  # correcting problems for new wersion of autotools
  sed -i -e'/^AC_PROG_CC/ a\AM_PROG_CC_C_O\ ' configure.ac
  sed -i -e'/^AC_PROG_CC/ a\AM_PROG_AS\ ' configure.ac
  aclocal
  autoconf
  automake

  #arch64 fixes for static build
  if [ "$CARCH" = "x86_64" ]; then
    echo "this package has to be build on i686, won't compile on x86_64"
    sleep 5
  else
    if [ "$DESTARCH" = "x86_64" ]; then
      # patch from gentoo for fixing a segfault
      patch -Np1 -i ../040_all_grub-0.96-nxstack.patch || return 1
      # patch from frugalware to make it boot when more than 2GB ram installed
      patch -Np1 -i ../05-grub-0.97-initrdaddr.diff || return 1
      CFLAGS="-static" ./configure --prefix=/usr --bindir=/bin --sbindir=/sbin
    else
      CFLAGS= ./configure --prefix=/usr --bindir=/bin --sbindir=/sbin
    fi
  fi

  CFLAGS= make || return 1
  make DESTDIR=$startdir/pkg install
  install -D -m644 ../menu.lst $startdir/pkg/boot/grub/menu.lst
  install -D -m755 ../install-grub $startdir/pkg/sbin/install-grub

  # symlink for compatibility with the <=0.7 installer
  mkdir -p $startdir/pkg/usr/share
  ln -s ../lib/grub $startdir/pkg/usr/share/grub

  # splashimage xpm install
  install -D -m644 $startdir/splash.xpm.gz $startdir/pkg/boot/grub/splash.xpm.gz

  # Create a symlink to people that was using it
  pushd $startdir/pkg/boot/grub/
  ln -s splash.xpm.gz arch.xpm.gz
  popd

  rm -f $pkgdir/usr/share/info/dir || return 1

  if [ "$DESTARCH" = "x86_64" ]; then
    # fool makepkg into building a x86_64 package
    export CARCH="x86_64"
  fi

}
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