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#!/bin/sh

# Slackware build script for BRL-CAD

# Yth | Pont-en-Royans, France | yth@ythogtha.org

# Ryan P.C. McQuen | Everett, WA | ryanpcmcquen@member.fsf.org

# Originally written by Nikolai Saika <nicksaika@gmail.com>
# Released under the WTFPL - http://sam.zoy.org/wtfpl/

# Maintained as of version 7.16.6 by Niels Horn <niels.horn@gmail.com>
# Revision date: 2012/09/13

# Modified by John Vogel <jvogel4@stny.rr.com> for build with cmake
# ... and again to fix tcl/tk breakage

PRGNAM=brlcad
VERSION=${VERSION:-7.30.8}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.bz2
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

mkdir -p build
cd build
# There is a "known issue" according to the guys on #brlcad and we need
# the cmake define "-DBRLCAD_ENABLE_STRICT=OFF" for now
cmake \
    -DBRLCAD_BUNDLED_LIBS=AUTO \
    -DBRLCAD_ENABLE_OPENGL=ON \
    -DBRLCAD_ENABLE_RUNTIME_DEBUG=${BRLCAD_ENABLE_RUNTIME_DEBUG:-ON} \
    -DBRLCAD_FLAGS_DEBUG=OFF \
    -DBRLCAD_ENABLE_STRICT=OFF \
    -DBRLCAD_ENABLE_COMPILER_WARNINGS=OFF\
    -DBRLCAD_ENABLE_EXTRADOCS=ON \
    -DBRLCAD_FLAGS_OPTIMIZATION=ON \
    -DBRLCAD_INSTALL_EXAMPLE_GEOMETRY=ON \
    -DBRLCAD_TCL=BUNDLED \
    -DBRLCAD_TK=BUNDLED \
    -DBRLCAD_ITCL=BUNDLED \
    -DBRLCAD_ITK=BUNDLED \
    -DBRLCAD_ENABLE_QT=${BRLCAD_ENABLE_QT:-OFF} \
    -DBRLCAD_ENABLE_OSG=${BRLCAD_ENABLE_OSG:-OFF} \
    -DBRLCAD_ENABLE_RTGL=${BRLCAD_ENABLE_RTGL:-OFF} \
    -DCMAKE_INSTALL_PREFIX=/opt/$PRGNAM \
    -DMAN_DIR=man \
    -DDATA_DIR=share \
    -DCMAKE_BUILD_TYPE=Release \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" ..

make
make install DESTDIR=$PKG

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

find $PKG/opt/$PRGNAM/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/opt/$PRGNAM/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

mkdir -p $PKG/etc/profile.d/
cat $CWD/profile.d/$PRGNAM.sh  > $PKG/etc/profile.d/$PRGNAM.sh
cat $CWD/profile.d/$PRGNAM.csh > $PKG/etc/profile.d/$PRGNAM.csh
chmod 0755 $PKG/etc/profile.d/*

# Copy icon & desktop file to package
mkdir -p $PKG/usr/share/{applications,pixmaps}
cat $CWD/${PRGNAM}_mged.desktop > $PKG/usr/share/applications/${PRGNAM}_mged.desktop
cat $CWD/${PRGNAM}_archer.desktop > $PKG/usr/share/applications/${PRGNAM}_archer.desktop
cat $CWD/$PRGNAM.png > $PKG/usr/share/pixmaps/$PRGNAM.png

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
cat $CWD/README.SLACKWARE > $PKG/usr/doc/$PRGNAM-$VERSION/README.SLACKWARE
cd $PKG/usr/doc/$PRGNAM-$VERSION
  for sub in doc html; do
    ln -s ../../../opt/$PRGNAM/share/$sub
  done
cd -

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}