summaryrefslogtreecommitdiffstats
path: root/configure
blob: d13ea80ad264d9815cdc10526d0af6fb6c5dcac0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
#! /bin/sh
# configure script for Xlunzip - Test tool for the lzip_decompress linux module
# Copyright (C) 2016-2024 Antonio Diaz Diaz.
#
# This configure script is free software: you have unlimited permission
# to copy, distribute, and modify it.

pkgname=xlunzip
pkgversion=0.8
progname=xlunzip
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=
MAKEINFO=makeinfo

# 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: $0 [OPTION]... [VAR=VALUE]..."
		echo
		echo "To assign makefile variables (e.g., CC, CFLAGS...), specify them as"
		echo "arguments to configure in the form VAR=VALUE."
		echo
		echo "Options and variables: [defaults in brackets]"
		echo "  -h, --help            display this help and exit"
		echo "  -V, --version         output version information and exit"
		echo "  --srcdir=DIR          find the source code in DIR [. or ..]"
		echo "  --prefix=DIR          install into DIR [${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 [${LDFLAGS}]"
		echo "  MAKEINFO=NAME         makeinfo program to use [${MAKEINFO}]"
		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} ;;
	MAKEINFO=*)  MAKEINFO=${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 code, 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 source code 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}"
echo "MAKEINFO = ${MAKEINFO}"
rm -f Makefile
cat > Makefile << EOF
# Makefile for Xlunzip - Test tool for the lzip_decompress linux module
# Copyright (C) 2016-2024 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}
MAKEINFO = ${MAKEINFO}
EOF
cat "${srcdir}/Makefile.in" >> Makefile

echo "OK. Now you can run make."