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|
#! /bin/sh
# configure script for Lunzip - Decompressor for the lzip format
# Copyright (C) 2010-2021 Antonio Diaz Diaz.
#
# This configure script is free software: you have unlimited permission
# to copy, distribute, and modify it.
pkgname=lunzip
pkgversion=1.12
progname=lunzip
srctrigger=doc/${progname}.1
# clear some things potentially inherited from environment.
LC_ALL=C
export LC_ALL
srcdir=
prefix=/usr/local
exec_prefix='$(prefix)'
bindir='$(exec_prefix)/bin'
datarootdir='$(prefix)/share'
infodir='$(datarootdir)/info'
mandir='$(datarootdir)/man'
CC=gcc
CPPFLAGS=
CFLAGS='-Wall -W -O2'
LDFLAGS=
# checking whether we are using GNU C.
/bin/sh -c "${CC} --version" > /dev/null 2>&1 || { CC=cc ; CFLAGS=-O2 ; }
# Loop over all args
args=
no_create=
while [ $# != 0 ] ; do
# Get the first arg, and shuffle
option=$1 ; arg2=no
shift
# Add the argument quoted to args
if [ -z "${args}" ] ; then args="\"${option}\""
else args="${args} \"${option}\"" ; fi
# Split out the argument for options that take them
case ${option} in
*=*) optarg=`echo "${option}" | sed -e 's,^[^=]*=,,;s,/$,,'` ;;
esac
# Process the options
case ${option} in
--help | -h)
echo "Usage: $0 [OPTION]... [VAR=VALUE]..."
echo
echo "To assign makefile variables (e.g., CC, CFLAGS...), specify them as"
echo "arguments to configure in the form VAR=VALUE."
echo
echo "Options and variables: [defaults in brackets]"
echo " -h, --help display this help and exit"
echo " -V, --version output version information and exit"
echo " --srcdir=DIR find the sources in DIR [. or ..]"
echo " --prefix=DIR install into DIR [${prefix}]"
echo " --exec-prefix=DIR base directory for arch-dependent files [${exec_prefix}]"
echo " --bindir=DIR user executables directory [${bindir}]"
echo " --datarootdir=DIR base directory for doc and data [${datarootdir}]"
echo " --infodir=DIR info files directory [${infodir}]"
echo " --mandir=DIR man pages directory [${mandir}]"
echo " CC=COMPILER C compiler to use [${CC}]"
echo " CPPFLAGS=OPTIONS command line options for the preprocessor [${CPPFLAGS}]"
echo " CFLAGS=OPTIONS command line options for the C compiler [${CFLAGS}]"
echo " CFLAGS+=OPTIONS append options to the current value of CFLAGS"
echo " LDFLAGS=OPTIONS command line options for the linker [${LDFLAGS}]"
echo
exit 0 ;;
--version | -V)
echo "Configure script for ${pkgname} version ${pkgversion}"
exit 0 ;;
--srcdir) srcdir=$1 ; arg2=yes ;;
--prefix) prefix=$1 ; arg2=yes ;;
--exec-prefix) exec_prefix=$1 ; arg2=yes ;;
--bindir) bindir=$1 ; arg2=yes ;;
--datarootdir) datarootdir=$1 ; arg2=yes ;;
--infodir) infodir=$1 ; arg2=yes ;;
--mandir) mandir=$1 ; arg2=yes ;;
--srcdir=*) srcdir=${optarg} ;;
--prefix=*) prefix=${optarg} ;;
--exec-prefix=*) exec_prefix=${optarg} ;;
--bindir=*) bindir=${optarg} ;;
--datarootdir=*) datarootdir=${optarg} ;;
--infodir=*) infodir=${optarg} ;;
--mandir=*) mandir=${optarg} ;;
--no-create) no_create=yes ;;
CC=*) CC=${optarg} ;;
CPPFLAGS=*) CPPFLAGS=${optarg} ;;
CFLAGS=*) CFLAGS=${optarg} ;;
CFLAGS+=*) CFLAGS="${CFLAGS} ${optarg}" ;;
LDFLAGS=*) LDFLAGS=${optarg} ;;
--*)
echo "configure: WARNING: unrecognized option: '${option}'" 1>&2 ;;
*=* | *-*-*) ;;
*)
echo "configure: unrecognized option: '${option}'" 1>&2
echo "Try 'configure --help' for more information." 1>&2
exit 1 ;;
esac
# Check if the option took a separate argument
if [ "${arg2}" = yes ] ; then
if [ $# != 0 ] ; then args="${args} \"$1\"" ; shift
else echo "configure: Missing argument to '${option}'" 1>&2
exit 1
fi
fi
done
# Find the source files, if location was not specified.
srcdirtext=
if [ -z "${srcdir}" ] ; then
srcdirtext="or . or .." ; srcdir=.
if [ ! -r "${srcdir}/${srctrigger}" ] ; then srcdir=.. ; fi
if [ ! -r "${srcdir}/${srctrigger}" ] ; then
## the sed command below emulates the dirname command
srcdir=`echo "$0" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
fi
fi
if [ ! -r "${srcdir}/${srctrigger}" ] ; then
echo "configure: Can't find sources in ${srcdir} ${srcdirtext}" 1>&2
echo "configure: (At least ${srctrigger} is missing)." 1>&2
exit 1
fi
# Set srcdir to . if that's what it is.
if [ "`pwd`" = "`cd "${srcdir}" ; pwd`" ] ; then srcdir=. ; fi
echo
if [ -z "${no_create}" ] ; then
echo "creating config.status"
rm -f config.status
cat > config.status << EOF
#! /bin/sh
# This file was generated automatically by configure. Don't edit.
# Run this file to recreate the current configuration.
#
# This script is free software: you have unlimited permission
# to copy, distribute, and modify it.
exec /bin/sh $0 ${args} --no-create
EOF
chmod +x config.status
fi
echo "creating Makefile"
echo "VPATH = ${srcdir}"
echo "prefix = ${prefix}"
echo "exec_prefix = ${exec_prefix}"
echo "bindir = ${bindir}"
echo "datarootdir = ${datarootdir}"
echo "infodir = ${infodir}"
echo "mandir = ${mandir}"
echo "CC = ${CC}"
echo "CPPFLAGS = ${CPPFLAGS}"
echo "CFLAGS = ${CFLAGS}"
echo "LDFLAGS = ${LDFLAGS}"
rm -f Makefile
cat > Makefile << EOF
# Makefile for Lunzip - Decompressor for the lzip format
# Copyright (C) 2010-2021 Antonio Diaz Diaz.
# This file was generated automatically by configure. Don't edit.
#
# This Makefile is free software: you have unlimited permission
# to copy, distribute, and modify it.
pkgname = ${pkgname}
pkgversion = ${pkgversion}
progname = ${progname}
VPATH = ${srcdir}
prefix = ${prefix}
exec_prefix = ${exec_prefix}
bindir = ${bindir}
datarootdir = ${datarootdir}
infodir = ${infodir}
mandir = ${mandir}
CC = ${CC}
CPPFLAGS = ${CPPFLAGS}
CFLAGS = ${CFLAGS}
LDFLAGS = ${LDFLAGS}
EOF
cat "${srcdir}/Makefile.in" >> Makefile
echo "OK. Now you can run make."
|
