#!/bin/bash
ulimit -s unlimited
shopt -s extglob

# libdrm.SlackBuild
# Heavily based on the original Slackware build scripts,
# Modified by Stuart Winter <mozes@slackware.com>
#
# Copyright 2006, 2007  Patrick J. Volkerding, Sebeka, MN, 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.

# Record toolchain & other info for the build log:
slackbuildinfo

# Paths to skeleton port's source & real Slackware source tree:
slackset_var_cwds

# Temporary build locations:
export TMPBUILD=$TMP/build-$PKGNAM
export PKG=$TMP/package-$PKGNAM
mkpkgdirs # Delete & re-create temporary directories then cd into $TMPBUILD

# Determine the extra configuration options for the known architectures:
case $ARCH in
   arm|aarch64)
     #export ARCHCONFARGS="--enable-freedreno --enable-tegra-experimental-api --enable-exynos-experimental-api --enable-omap-experimental-api --enable-etnaviv-experimental-api" ;;
     # libdrm 1.112:
     #export ARCHCONFARGS="-Dfreedreno=true -Dtegra=true -Dexynos=true -Domap=true -Detnaviv=true" ;;
     #  --auto-features=enabled
     # v1.113:
     #export ARCHCONFARGS="-Dintel=disabled \
     export ARCHCONFARGS=" \
                          -Dfreedreno=enabled -Dtegra=enabled -Dexynos=enabled \
                          -Detnaviv=enabled -Dradeon=enabled -Damdgpu=enabled -Dnouveau=enabled \
                          -Dvmwgfx=enabled -Dvc4=enabled" ;; # -Dfreedreno-kgsl=disabled
esac

# Extract source:
tar xvvf $CWD/$PKGNAM-$VERSION.tar.!(*sign|*asc|*sig)
cd $PKGNAM-$VERSION || exit 1
slackhousekeeping

# Apply patches:
if [ -f $PORTCWD/sources/libdrm_*.diff* ]; then
   xz -dc $PORTCWD/sources/libdrm_*.diff.xz | patch -p1
   for i in debian/patches/*diff ; do
     auto_apply_patch $i || exit 1
   done
fi

# Configure:
export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS"
mkdir build
pushd build
meson setup \
   \
   \
   ${ARCHCONFARGS} \
   \
   \
   --prefix=/usr \
   --libdir=lib${LIBDIRSUFFIX} \
   --libexecdir=/usr/libexec \
   --bindir=/usr/bin \
   --sbindir=/usr/sbin \
   --includedir=/usr/include \
   --datadir=/usr/share \
   --mandir=/usr/man \
   --sysconfdir=/etc \
   --localstatedir=/var \
   --buildtype=release \
   -Dintel=enabled \
   -Dudev=true \
   .. || failconfig

# Build:
"${NINJA:=ninja}" $NUMJOBS || ${NINJA} || failmake

# Install into package:
DESTDIR=$PKG $NINJA install || failinstall
popd

# Add a documentation directory:
mkdir -p $PKG/usr/doc/${PKGNAM}-$VERSION
cp -a \
  CONTRIB* README* RELEAS* \
  $PKG/usr/doc/${PKGNAM}-$VERSION

# Apply generic Slackware packaging policies:
cd $PKG
slackstripall   # strip all .a archives and all ELFs
#slackstriprpaths     # strip rpaths
slack_delete_lafiles # delete usr/lib{,64}/*.la
slackgzpages -i # compress man & info pages and delete usr/info/dir
slackslack      # chown -R root:root, chmod -R og-w, slackchown, slack644docs
slackdesc       # install slack-desc and doinst.sh
slackmp         # run makepkg -l y -c n

# Perform any final checks on the package:
cd $PKG
slackhlinks     # search for any hard links