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+#!/bin/sh
+
+# Copyright 2010 B. Watson (yalhcru@gmail.com)
+# Copyright 2010 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.
+
+# Slackware build script for xaos
+
+# Written by B. Watson (yalhcru@gmail.com)
+
+# A few notes:
+#
+# Package really wants to use its own CFLAGS (even checks for them
+# in the configure script). Let it...
+#
+# SFFE is the user formula evaluator, which allows users to define their
+# own fractals. On x86 platforms, an assembly-language implementation of
+# SFFE is used. On non-x86 platforms, SFFE requires a library called GSL
+# (GNU Scientific Library, available from SBo).
+#
+# xaos is still interesting and useful without SFFE support (most users
+# probably don't know/care about the math, so they'll never use the SFFE
+# stuff anyway), so we'll just disable it on non-x86 platforms by default.
+#
+# If you really want to use it, set USE_GSL=yes in the environment before
+# running this script. There's no need to use GSL on x86 platforms, since
+# the asm code is (or should be) faster, but the option is there if you
+# want to use it anyway.
+#
+# Multilib users also have the option of building on a 32-bit Slackware system
+# (or in a chroot) and the resulting package will run just fine on 64-bit.
+#
+# If the preceding didn't make any sense, here's the bottom line:
+#
+# - Regular Slackware (x86) users can just run this script and ignore the junk
+# above.
+#
+# - Everyone else (Slamd64, Bluewhite64, Slackware64, ???) can just
+# run this script and probably never notice the missing functionality.
+#
+# - If you're not on x86, but you want the formula evaluator, install GSL
+# and then run this script with USE_GSL=yes in the environment.
+
+PKGNAM=xaos
+VERSION=${VERSION:-$(echo $PKGNAM-*.tar.?z* | rev | cut -f 3- -d . | cut -f 1 -d - | rev)}
+BUILD=${BUILD:-1}
+
+# Automatically determine the architecture we're building on:
+if [ -z "$ARCH" ]; then
+ case "$( uname -m )" in
+ # might as well use i686 since it won't listen to our CFLAGS anyway
+ i?86) ARCH=i686 ;;
+ arm*) ARCH=arm ;;
+ # Unless $ARCH is already set, use uname -m for all other archs:
+ *) ARCH=$( uname -m ) ;;
+ esac
+fi
+
+CWD=$(pwd)
+TMP=${TMP:-/tmp}
+PKG=$TMP/package-$PKGNAM
+OUTPUT=${OUTPUT:-/tmp}
+
+USE_GSL=${USE_GSL:-no}
+
+if [ "$USE_GSL" = "yes" ]; then
+ GSL_OPT="yes"
+ SFFE_OPT="yes"
+elif [ "$ARCH" = "i486" -o "$ARCH" = "i686" ]; then
+ GSL_OPT="no"
+ SFFE_OPT="yes"
+else
+ GSL_OPT="no"
+ SFFE_OPT="no"
+fi
+
+rm -rf $PKG
+mkdir -p $TMP $PKG $OUTPUT
+cd $TMP
+rm -rf $PKGNAM-$VERSION
+tar xvf $CWD/$PKGNAM-$VERSION.tar.?z* || exit 1
+cd $PKGNAM-$VERSION || exit 1
+chown -R root:root .
+chmod -R a-s,u+w,go+r-w .
+
+./configure \
+ --prefix=/usr \
+ --docdir=/usr/doc/$PKGNAM-$VERSION \
+ --infodir=/usr/info \
+ --mandir=/usr/man \
+ --with-gsl=$GSL_OPT \
+ --with-sffe=$SFFE_OPT \
+ --with-pthread=yes \
+ --build=$ARCH-slackware-linux
+
+make || exit 1
+# binary already stripped, yay!
+make install DESTDIR=$PKG || exit 1
+
+# Replace bogus manpage:
+zcat $CWD/xaos.6.gz > $PKG/usr/man/man6/xaos.6
+
+gzip -9 $PKG/usr/man/man6/xaos.6
+rm -f $PKG/usr/info/dir
+gzip -9 $PKG/usr/info/*.info*
+
+mkdir -p $PKG/usr/doc
+mv $PKG/usr/share/XaoS/doc $PKG/usr/doc/xaos-$VERSION
+( cd $PKG/usr/share/XaoS ; ln -sf ../../doc/xaos-$VERSION doc )
+
+mkdir -p $PKG/usr/share/applications
+cat $CWD/xaos.desktop > $PKG/usr/share/applications/xaos.desktop
+
+mkdir -p $PKG/usr/share/pixmaps
+cat $CWD/xaos.png > $PKG/usr/share/pixmaps/xaos.png
+
+chmod 644 $PKG/usr/doc/xaos-$VERSION/*
+rm -f $PKG/usr/doc/xaos-$VERSION/ChangeLog.old
+cp -a \
+ AUTHORS COPYING* INSTALL NEWS README* TODO \
+ $PKG/usr/doc/xaos-$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 $PKG/usr/doc/${PKGNAM}-$VERSION)
+ cat ChangeLog | head -n 1000 > $DOCSDIR/ChangeLog
+ touch -r ChangeLog $DOCSDIR/ChangeLog
+fi
+
+mkdir -p $PKG/install
+cat $CWD/slack-desc > $PKG/install/slack-desc
+
+cd $PKG
+/sbin/makepkg -l y -c n $OUTPUT/$PKGNAM-$VERSION-$ARCH-$BUILD.txz