aboutsummaryrefslogtreecommitdiff
path: root/readline/configure.in
blob: 33bc2c7a95546bf147909fa6807bf4509d8c21e9 (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
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.
AC_REVISION([for Readline 4.3, version 2.45, from autoconf version] AC_ACVERSION)

AC_INIT(readline, 4.3, bug-readline@gnu.org)

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

AC_CONFIG_SRCDIR(readline.h)
dnl 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=4.3

AC_CANONICAL_HOST

dnl configure defaults
opt_curses=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)

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

dnl option parsing for optional features
opt_static_libs=yes
opt_shared_libs=no

AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)

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

dnl BEGIN changes for CYGNUS cross-building for Cygwin
 
dnl load up the cross-building cache file -- add more cases and cache
dnl files as necessary
if test "x$cross_compiling" = "xyes"; then
    case "${host}" in
    *-cygwin*)
	cross_cache=${srcdir}/cross-build/cygwin.cache
	LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
	;;
   *-mingw32*)	
	cross_cache=${srcdir}/cross-build/mingw.cache
        ;;
    *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
	;;
    esac

    if test "x$cross_cache" != "x"; then
	if test -r "${cross_cache}"; then
	    echo "loading cross-build cache file ${cross_cache}"
	    . ${cross_cache}
	fi
	unset cross_cache
    fi
fi
 
if test "x$cross_compiling" = "xyes"; then
  CROSS_COMPILING_FLAG=-DCROSS_COMPILING
else
  CROSS_COMPILING_FLAG=
fi
AC_SUBST(CROSS_COMPILING_FLAG)
 
if test -z "$CC_FOR_BUILD"; then
    if test "x$cross_compiling" = "xno"; then
        CC_FOR_BUILD='$(CC)'
    else
        CC_FOR_BUILD=gcc
    fi
fi
AC_SUBST(CC_FOR_BUILD)
 
dnl END changes for CYGNUS cross-building for Cygwin

# 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_STAT
AC_HEADER_DIRENT

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

AC_FUNC_STRCOLL

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

BASH_SYS_SIGNAL_VINTAGE
BASH_SYS_REINSTALL_SIGHANDLERS

BASH_FUNC_POSIX_SETJMP
BASH_FUNC_LSTAT
BASH_FUNC_STRCOLL

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 ${srcdir}/support/shobj-conf; then
        AC_MSG_CHECKING(configuration for building shared libraries)
        eval `${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
        AC_SUBST(SHOBJ_CC)
        AC_SUBST(SHOBJ_CFLAGS)
        AC_SUBST(SHOBJ_LD)
        AC_SUBST(SHOBJ_LDFLAGS)
	AC_SUBST(SHOBJ_XLDFLAGS)
        AC_SUBST(SHOBJ_LIBS)
        AC_SUBST(SHOBJ_STATUS)
	AC_SUBST(SHLIB_STATUS)
	AC_SUBST(SHLIB_XLDFLAGS)
	AC_SUBST(SHLIB_LIBSUFF)
	AC_SUBST(SHLIB_LIBVERSION)
	AC_SUBST(SHLIB_LIBS)
        AC_MSG_RESULT($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

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
])