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6999161a TT |
1 | dnl |
2 | dnl Configure script for readline library | |
3 | dnl | |
4 | dnl report bugs to chet@po.cwru.edu | |
5 | dnl | |
6 | dnl Process this file with autoconf to produce a configure script. | |
7 | ||
8 | # Copyright (C) 1987-2018 Free Software Foundation, Inc. | |
9 | ||
10 | # This program is free software: you can redistribute it and/or modify | |
11 | # it under the terms of the GNU General Public License as published by | |
12 | # the Free Software Foundation, either version 3 of the License, or | |
13 | # (at your option) any later version. | |
14 | ||
15 | # This program is distributed in the hope that it will be useful, | |
16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | # GNU General Public License for more details. | |
19 | ||
20 | # You should have received a copy of the GNU General Public License | |
21 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
22 | ||
23 | AC_REVISION([for Readline 8.0, version 2.85]) | |
24 | ||
25 | m4_include([../../config/override.m4]) | |
26 | ||
27 | AC_INIT(readline, 8.0, bug-readline@gnu.org) | |
28 | ||
29 | dnl make sure we are using a recent autoconf version | |
30 | AC_PREREQ(2.50) | |
31 | ||
32 | AC_CONFIG_SRCDIR(readline.h) | |
33 | dnl GDB LOCAL | |
34 | dnl AC_CONFIG_AUX_DIR(./support) | |
35 | AC_CONFIG_AUX_DIR(../..) | |
36 | AC_CONFIG_HEADERS(config.h) | |
37 | ||
38 | dnl update the value of RL_READLINE_VERSION in readline.h when this changes | |
39 | LIBVERSION=8.0 | |
40 | ||
41 | AC_CANONICAL_HOST | |
42 | AC_CANONICAL_BUILD | |
43 | ||
44 | dnl configure defaults | |
45 | opt_curses=no | |
46 | ||
47 | dnl arguments to configure | |
48 | AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval) | |
49 | ||
50 | if test "$opt_curses" = "yes"; then | |
51 | prefer_curses=yes | |
52 | fi | |
53 | ||
54 | dnl option parsing for optional features | |
55 | opt_multibyte=yes | |
56 | opt_static_libs=yes | |
57 | opt_shared_libs=no | |
58 | opt_install_examples=no | |
59 | ||
60 | AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval) | |
61 | dnl AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval) | |
62 | AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval) | |
63 | AC_ARG_ENABLE(install-examples, AC_HELP_STRING([--disable-install-examples], [don't install examples [[default=install]]]), opt_install_examples=$enableval) | |
64 | ||
65 | if test $opt_multibyte = no; then | |
66 | AC_DEFINE(NO_MULTIBYTE_SUPPORT) | |
67 | fi | |
68 | ||
69 | dnl load up the cross-building cache file -- add more cases and cache | |
70 | dnl files as necessary | |
71 | ||
72 | dnl Note that host and target machine are the same, and different than the | |
73 | dnl build machine. | |
74 | ||
75 | CROSS_COMPILE= | |
76 | if test "x$cross_compiling" = "xyes"; then | |
77 | case "${host}" in | |
78 | *-cygwin*) | |
79 | cross_cache=${srcdir}/cross-build/cygwin.cache | |
80 | ;; | |
81 | *-mingw*) | |
82 | cross_cache=${srcdir}/cross-build/mingw.cache | |
83 | ;; | |
84 | i[[3456]]86-*-beos*) | |
85 | cross_cache=${srcdir}/cross-build/x86-beos.cache | |
86 | ;; | |
87 | *) echo "configure: cross-compiling for $host is not supported" >&2 | |
88 | ;; | |
89 | esac | |
90 | if test -n "${cross_cache}" && test -r "${cross_cache}"; then | |
91 | echo "loading cross-build cache file ${cross_cache}" | |
92 | . ${cross_cache} | |
93 | fi | |
94 | unset cross_cache | |
95 | CROSS_COMPILE='-DCROSS_COMPILING' | |
96 | AC_SUBST(CROSS_COMPILE) | |
97 | fi | |
98 | ||
99 | echo "" | |
100 | echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}" | |
101 | echo "" | |
102 | ||
103 | # We want these before the checks, so the checks can modify their values. | |
104 | test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1 | |
105 | ||
106 | AC_PROG_MAKE_SET | |
107 | AC_PROG_CC | |
108 | dnl AC_AIX | |
109 | AC_MINIX | |
110 | ||
111 | # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS. | |
112 | test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O" | |
113 | ||
114 | AC_PROG_GCC_TRADITIONAL | |
115 | AC_PROG_INSTALL | |
116 | AC_CHECK_TOOL(AR, ar) | |
117 | dnl Set default for ARFLAGS, since autoconf does not have a macro for it. | |
118 | dnl This allows people to set it when running configure or make | |
119 | test -n "$ARFLAGS" || ARFLAGS="cr" | |
120 | AC_PROG_RANLIB | |
121 | ||
122 | MAKE_SHELL=/bin/sh | |
123 | AC_SUBST(MAKE_SHELL) | |
124 | ||
125 | AC_C_CONST | |
126 | AC_C_PROTOTYPES | |
127 | AC_C_CHAR_UNSIGNED | |
128 | AC_C_VOLATILE | |
129 | ||
130 | AC_TYPE_SIGNAL | |
131 | ||
132 | AC_TYPE_SIZE_T | |
133 | AC_CHECK_TYPE(ssize_t, int) | |
134 | ||
135 | AC_HEADER_STDC | |
136 | ||
137 | AC_HEADER_STAT | |
138 | AC_HEADER_DIRENT | |
139 | ||
140 | AC_CHECK_FUNCS(fcntl kill lstat readlink) | |
141 | AC_CHECK_FUNCS(fnmatch memmove pselect putenv select setenv setlocale \ | |
142 | strcasecmp strpbrk tcgetattr vsnprintf) | |
143 | AC_CHECK_FUNCS(isascii isxdigit) | |
144 | AC_CHECK_FUNCS(getpwent getpwnam getpwuid) | |
145 | ||
146 | AC_FUNC_CHOWN | |
147 | AC_FUNC_STRCOLL | |
148 | ||
149 | AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h stdbool.h \ | |
150 | string.h strings.h \ | |
151 | limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h) | |
152 | AC_CHECK_HEADERS(sys/ioctl.h sys/pte.h sys/stream.h sys/select.h sys/file.h) | |
153 | ||
154 | AC_CHECK_HEADERS(sys/ptem.h,,, | |
155 | [[ | |
156 | #if HAVE_SYS_STREAM_H | |
157 | # include <sys/stream.h> | |
158 | #endif | |
159 | ]]) | |
160 | ||
161 | AC_SYS_LARGEFILE | |
162 | ||
163 | BASH_SYS_SIGNAL_VINTAGE | |
164 | BASH_SYS_REINSTALL_SIGHANDLERS | |
165 | ||
166 | BASH_FUNC_POSIX_SETJMP | |
167 | BASH_FUNC_LSTAT | |
168 | BASH_FUNC_STRCOLL | |
169 | BASH_FUNC_CTYPE_NONASCII | |
170 | ||
171 | BASH_CHECK_GETPW_FUNCS | |
172 | ||
173 | AC_HEADER_TIOCGWINSZ | |
174 | ||
175 | BASH_TYPE_SIG_ATOMIC_T | |
176 | BASH_TYPE_SIGHANDLER | |
177 | ||
178 | BASH_HAVE_TIOCSTAT | |
179 | BASH_HAVE_FIONREAD | |
180 | BASH_CHECK_SPEED_T | |
181 | BASH_STRUCT_WINSIZE | |
182 | BASH_STRUCT_DIRENT_D_INO | |
183 | BASH_STRUCT_DIRENT_D_FILENO | |
184 | ||
185 | AC_CHECK_HEADERS(libaudit.h) | |
186 | AC_CHECK_DECLS([AUDIT_USER_TTY],,, [[#include <linux/audit.h>]]) | |
187 | ||
188 | dnl yuck | |
189 | case "$host_os" in | |
190 | aix*) prefer_curses=yes ;; | |
191 | esac | |
192 | BASH_CHECK_LIB_TERMCAP | |
193 | if test "$TERMCAP_LIB" = "./lib/termcap/libtermcap.a"; then | |
194 | if test "$prefer_curses" = yes; then | |
195 | TERMCAP_LIB=-lcurses | |
196 | else | |
197 | TERMCAP_LIB=-ltermcap #default | |
198 | fi | |
199 | fi | |
200 | # Windows ncurses installation | |
201 | if test "$TERMCAP_LIB" = "-lncurses"; then | |
202 | AC_CHECK_HEADERS(ncurses/termcap.h) | |
203 | fi | |
204 | ||
205 | case "$TERMCAP_LIB" in | |
206 | -ltinfo) TERMCAP_PKG_CONFIG_LIB=tinfo ;; | |
207 | -lcurses) TERMCAP_PKG_CONFIG_LIB=ncurses ;; | |
208 | -lncurses) TERMCAP_PKG_CONFIG_LIB=ncurses ;; | |
209 | -ltermcap) TERMCAP_PKG_CONFIG_LIB=termcap ;; | |
210 | *) TERMCAP_PKG_CONFIG_LIB=termcap ;; | |
211 | esac | |
212 | ||
213 | BASH_CHECK_MULTIBYTE | |
214 | ||
215 | case "$host_cpu" in | |
216 | *cray*) LOCAL_CFLAGS=-DCRAY ;; | |
217 | *s390*) LOCAL_CFLAGS=-fsigned-char ;; | |
218 | esac | |
219 | ||
220 | case "$host_os" in | |
221 | isc*) LOCAL_CFLAGS=-Disc386 ;; | |
222 | esac | |
223 | ||
224 | # shared library configuration section | |
225 | # | |
226 | # Shared object configuration section. These values are generated by | |
227 | # ${srcdir}/support/shobj-conf | |
228 | # | |
229 | if test -f ${srcdir}/support/shobj-conf; then | |
230 | AC_MSG_CHECKING(configuration for building shared libraries) | |
231 | eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}` | |
232 | ||
233 | # case "$SHLIB_LIBS" in | |
234 | # *curses*|*termcap*|*termlib*) ;; | |
235 | # *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;; | |
236 | # esac | |
237 | ||
238 | AC_SUBST(SHOBJ_CC) | |
239 | AC_SUBST(SHOBJ_CFLAGS) | |
240 | AC_SUBST(SHOBJ_LD) | |
241 | AC_SUBST(SHOBJ_LDFLAGS) | |
242 | AC_SUBST(SHOBJ_XLDFLAGS) | |
243 | AC_SUBST(SHOBJ_LIBS) | |
244 | AC_SUBST(SHOBJ_STATUS) | |
245 | AC_SUBST(SHLIB_STATUS) | |
246 | AC_SUBST(SHLIB_XLDFLAGS) | |
247 | AC_SUBST(SHLIB_DOT) | |
248 | AC_SUBST(SHLIB_LIBPREF) | |
249 | AC_SUBST(SHLIB_LIBSUFF) | |
250 | AC_SUBST(SHLIB_LIBVERSION) | |
251 | AC_SUBST(SHLIB_DLLVERSION) | |
252 | AC_SUBST(SHLIB_LIBS) | |
253 | AC_MSG_RESULT($SHLIB_STATUS) | |
254 | ||
255 | # SHLIB_STATUS is either `supported' or `unsupported'. If it's | |
256 | # `unsupported', turn off any default shared library building | |
257 | if test "$SHLIB_STATUS" = 'unsupported'; then | |
258 | opt_shared_libs=no | |
259 | fi | |
260 | ||
261 | # shared library versioning | |
262 | # quoted for m4 so I can use character classes | |
263 | SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`] | |
264 | SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`] | |
265 | AC_SUBST(SHLIB_MAJOR) | |
266 | AC_SUBST(SHLIB_MINOR) | |
267 | fi | |
268 | ||
269 | if test "$opt_static_libs" = "yes"; then | |
270 | STATIC_TARGET=static | |
271 | STATIC_INSTALL_TARGET=install-static | |
272 | fi | |
273 | if test "$opt_shared_libs" = "yes"; then | |
274 | SHARED_TARGET=shared | |
275 | SHARED_INSTALL_TARGET=install-shared | |
276 | fi | |
277 | ||
278 | AC_SUBST(STATIC_TARGET) | |
279 | AC_SUBST(SHARED_TARGET) | |
280 | AC_SUBST(STATIC_INSTALL_TARGET) | |
281 | AC_SUBST(SHARED_INSTALL_TARGET) | |
282 | ||
283 | if test "$opt_install_examples" = "yes"; then | |
284 | EXAMPLES_INSTALL_TARGET=install-examples | |
285 | fi | |
286 | AC_SUBST(EXAMPLES_INSTALL_TARGET) | |
287 | ||
288 | case "$build_os" in | |
289 | msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file | |
290 | *) BUILD_DIR=`pwd` ;; | |
291 | esac | |
292 | ||
293 | case "$BUILD_DIR" in | |
294 | *\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;; | |
295 | *) ;; | |
296 | esac | |
297 | ||
298 | AC_SUBST(BUILD_DIR) | |
299 | ||
300 | AC_SUBST(CFLAGS) | |
301 | AC_SUBST(LOCAL_CFLAGS) | |
302 | AC_SUBST(LOCAL_LDFLAGS) | |
303 | AC_SUBST(LOCAL_DEFS) | |
304 | ||
305 | AC_SUBST(AR) | |
306 | AC_SUBST(ARFLAGS) | |
307 | ||
308 | AC_SUBST(host_cpu) | |
309 | AC_SUBST(host_os) | |
310 | ||
311 | AC_SUBST(LIBVERSION) | |
312 | ||
313 | AC_SUBST(TERMCAP_LIB) | |
314 | AC_SUBST(TERMCAP_PKG_CONFIG_LIB) | |
315 | ||
316 | AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile readline.pc], | |
317 | [ | |
318 | # Makefile uses this timestamp file to record whether config.h is up to date. | |
319 | echo > stamp-h | |
320 | ]) |