summaryrefslogtreecommitdiff
path: root/configure.in
blob: 868773be69695bcf0f9efc8c6999f5b3e1f4625e (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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
dnl
dnl Configure script for readline library
dnl
dnl report bugs to chet@po.cwru.edu
dnl
dnl Process this file with autoconf to produce a configure script.

# Copyright (C) 1987-2005 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

AC_REVISION([for Readline 5.2, version 2.61])

AC_INIT(readline, 5.2, bug-readline@gnu.org)

dnl make sure we are using a recent autoconf version
AC_PREREQ(2.50)

AC_CONFIG_SRCDIR(readline.h)
AC_CONFIG_AUX_DIR(./support)
AC_CONFIG_HEADERS(config.h)

dnl update the value of RL_READLINE_VERSION in readline.h when this changes
LIBVERSION=5.2

AC_CANONICAL_HOST

dnl configure defaults
opt_curses=no
opt_purify=no

dnl arguments to configure
AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)

if test "$opt_curses" = "yes"; then
	prefer_curses=yes
fi

if test "$opt_purify" = yes; then
	PURIFY="purify"
else
	PURIFY=
fi

dnl option parsing for optional features
opt_multibyte=yes
opt_static_libs=yes
opt_shared_libs=yes

AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)

if test $opt_multibyte = no; then
AC_DEFINE(NO_MULTIBYTE_SUPPORT)
fi

dnl load up the cross-building cache file -- add more cases and cache
dnl files as necessary

dnl Note that host and target machine are the same, and different than the
dnl build machine.

CROSS_COMPILE=
if test "x$cross_compiling" = "xyes"; then
    case "${host}" in
    *-cygwin*)
        cross_cache=${srcdir}/cross-build/cygwin.cache
        ;;
    *-mingw*)
        cross_cache=${srcdir}/cross-build/mingw.cache
        ;;
    i[[3456]]86-*-beos*)
        cross_cache=${srcdir}/cross-build/x86-beos.cache
        ;;
    *)  echo "configure: cross-compiling for $host is not supported" >&2
        ;;
    esac
    if test -n "${cross_cache}" && test -r "${cross_cache}"; then
        echo "loading cross-build cache file ${cross_cache}"
        . ${cross_cache}
    fi
    unset cross_cache
    CROSS_COMPILE='-DCROSS_COMPILING'
    AC_SUBST(CROSS_COMPILE)
fi

echo ""
echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
echo ""

# We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1

AC_PROG_MAKE_SET
AC_PROG_CC
dnl AC_AIX
AC_MINIX

# If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"

AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_CHECK_PROG(AR, ar, , ar)
dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
dnl This allows people to set it when running configure or make
test -n "$ARFLAGS" || ARFLAGS="cr"
AC_PROG_RANLIB

MAKE_SHELL=/bin/sh
AC_SUBST(MAKE_SHELL)

AC_C_CONST
AC_C_PROTOTYPES
AC_C_CHAR_UNSIGNED

AC_TYPE_SIGNAL

AC_TYPE_SIZE_T
AC_CHECK_TYPE(ssize_t, int)

AC_HEADER_STDC

AC_HEADER_STAT
AC_HEADER_DIRENT

AC_CHECK_FUNCS(fcntl kill lstat)
AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
		strcasecmp strpbrk tcgetattr vsnprintf)
AC_CHECK_FUNCS(isascii isxdigit)
AC_CHECK_FUNCS(getpwent getpwnam getpwuid)

AC_FUNC_STRCOLL

AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h string.h strings.h \
		limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h)
AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)

AC_CHECK_HEADERS(sys/ptem.h,,,
[[
#if HAVE_SYS_STREAM_H
#  include <sys/stream.h>
#endif
]])

BASH_SYS_SIGNAL_VINTAGE
BASH_SYS_REINSTALL_SIGHANDLERS

BASH_FUNC_POSIX_SETJMP
BASH_FUNC_LSTAT
BASH_FUNC_STRCOLL
BASH_FUNC_CTYPE_NONASCII

BASH_CHECK_GETPW_FUNCS

AC_HEADER_TIOCGWINSZ

BASH_TYPE_SIGHANDLER
BASH_HAVE_TIOCSTAT
BASH_HAVE_FIONREAD
BASH_CHECK_SPEED_T
BASH_STRUCT_WINSIZE
BASH_STRUCT_DIRENT_D_INO
BASH_STRUCT_DIRENT_D_FILENO

dnl yuck
case "$host_os" in
aix*)   prefer_curses=yes ;;
esac
BASH_CHECK_LIB_TERMCAP
if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then
	if test "$prefer_curses" = yes; then
		TERMCAP_LIB=-lcurses
	else
		TERMCAP_LIB=-ltermcap	#default
	fi
fi

BASH_CHECK_MULTIBYTE

case "$host_cpu" in
*cray*)	LOCAL_CFLAGS=-DCRAY ;;
*s390*) LOCAL_CFLAGS=-fsigned-char ;;
esac

case "$host_os" in
isc*)	LOCAL_CFLAGS=-Disc386 ;;
esac

# shared library configuration section
#
# Shared object configuration section.  These values are generated by
# ${srcdir}/support/shobj-conf
#
if test -f ${srcdir}/support/shobj-conf; then
        AC_MSG_CHECKING(configuration for building shared libraries)
        eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`

#	case "$SHLIB_LIBS" in
#	*curses*|*termcap*|*termlib*)	;;
#	*)			SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
#	esac
	
        AC_SUBST(SHOBJ_CC)
        AC_SUBST(SHOBJ_CFLAGS)
        AC_SUBST(SHOBJ_LD)
        AC_SUBST(SHOBJ_LDFLAGS)
	AC_SUBST(SHOBJ_XLDFLAGS)
        AC_SUBST(SHOBJ_LIBS)
        AC_SUBST(SHOBJ_STATUS)
	AC_SUBST(SHLIB_STATUS)
	AC_SUBST(SHLIB_XLDFLAGS)
	AC_SUBST(SHLIB_DOT)
	AC_SUBST(SHLIB_LIBPREF)
	AC_SUBST(SHLIB_LIBSUFF)
	AC_SUBST(SHLIB_LIBVERSION)
	AC_SUBST(SHLIB_DLLVERSION)
	AC_SUBST(SHLIB_LIBS)
        AC_MSG_RESULT($SHLIB_STATUS)

	# SHLIB_STATUS is either `supported' or `unsupported'.  If it's
	# `unsupported', turn off any default shared library building
	if test "$SHLIB_STATUS" = 'unsupported'; then
		opt_shared_libs=no
	fi

	# shared library versioning
	# quoted for m4 so I can use character classes
	SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
	SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
	AC_SUBST(SHLIB_MAJOR)
	AC_SUBST(SHLIB_MINOR)
fi

if test "$opt_static_libs" = "yes"; then
	STATIC_TARGET=static
	STATIC_INSTALL_TARGET=install-static
fi
if test "$opt_shared_libs" = "yes"; then
	SHARED_TARGET=shared
	SHARED_INSTALL_TARGET=install-shared
fi

AC_SUBST(STATIC_TARGET)
AC_SUBST(SHARED_TARGET)
AC_SUBST(STATIC_INSTALL_TARGET)
AC_SUBST(SHARED_INSTALL_TARGET)

case "$host_os" in
msdosdjgpp*)	BUILD_DIR=`pwd.exe` ;;	# to prevent //d/path/file
*)		BUILD_DIR=`pwd` ;;
esac

case "$BUILD_DIR" in
*\ *)	BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
*)	;;
esac

AC_SUBST(PURIFY)
AC_SUBST(BUILD_DIR)

AC_SUBST(CFLAGS)
AC_SUBST(LOCAL_CFLAGS)
AC_SUBST(LOCAL_LDFLAGS)
AC_SUBST(LOCAL_DEFS)

AC_SUBST(AR)
AC_SUBST(ARFLAGS)

AC_SUBST(host_cpu)
AC_SUBST(host_os)

AC_SUBST(LIBVERSION)

AC_SUBST(TERMCAP_LIB)

AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
[
# Makefile uses this timestamp file to record whether config.h is up to date.
echo > stamp-h
])