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#!/bin/bash
# Slackware build script for crc32_simple
# Written by B. Watson (yalhcru@gmail.com)
# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
# Why doesn't Slackware already have some tool that can do crc32?
# There are TCL and PHP modules, the kernel includes its own crc32 algo,
# but nothing you can run directly from the command line.
# VERSION is from the timestamp on the source file.
PRGNAM=crc32_simple
VERSION=${VERSION:-20120911}
BUILD=${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"
elif [ "$ARCH" = "i686" ]; then
SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
SLKCFLAGS="-O2 -fPIC"
else
SLKCFLAGS="-O2"
fi
set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
# Look ma, no source directory!
mkdir -p $PKG/usr/bin
gcc -Wall $SLKCFLAGS -Wl,-s -o $PKG/usr/bin/$PRGNAM $CWD/$PRGNAM.c
ln -s $PRGNAM $PKG/usr/bin/crc32
# It's probably overkill, but I wrote a man page for this...
mkdir -p $PKG/usr/man/man1
gzip -9c < $CWD/$PRGNAM.1 > $PKG/usr/man/man1/$PRGNAM.1.gz
ln -s $PRGNAM.1.gz $PKG/usr/man/man1/crc32.1.gz
mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/README > $PKG/usr/doc/$PRGNAM-$VERSION/README
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
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