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) 1987-2014 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 6.3, version 2.73])
24:
25: AC_INIT(readline, 6.3, bug-readline@gnu.org)
26:
27: dnl make sure we are using a recent autoconf version
28: AC_PREREQ(2.50)
29:
30: AC_CONFIG_SRCDIR(readline.h)
31: AC_CONFIG_AUX_DIR(./support)
32: AC_CONFIG_HEADERS(config.h)
33:
34: dnl update the value of RL_READLINE_VERSION in readline.h when this changes
35: LIBVERSION=6.3
36:
37: AC_CANONICAL_HOST
38: AC_CANONICAL_BUILD
39:
40: dnl configure defaults
41: opt_curses=no
42: opt_purify=no
43:
44: dnl arguments to configure
45: AC_ARG_WITH(curses, AC_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
46: AC_ARG_WITH(purify, AC_HELP_STRING([--with-purify], [configure to postprocess with purify]), opt_purify=$withval)
47:
48: if test "$opt_curses" = "yes"; then
49: prefer_curses=yes
50: fi
51:
52: if test "$opt_purify" = yes; then
53: PURIFY="purify"
54: else
55: PURIFY=
56: fi
57:
58: dnl option parsing for optional features
59: opt_multibyte=yes
60: opt_static_libs=yes
61: opt_shared_libs=yes
62:
63: AC_ARG_ENABLE(multibyte, AC_HELP_STRING([--enable-multibyte], [enable multibyte characters if OS supports them]), opt_multibyte=$enableval)
64: AC_ARG_ENABLE(shared, AC_HELP_STRING([--enable-shared], [build shared libraries [[default=YES]]]), opt_shared_libs=$enableval)
65: AC_ARG_ENABLE(static, AC_HELP_STRING([--enable-static], [build static libraries [[default=YES]]]), opt_static_libs=$enableval)
66:
67: if test $opt_multibyte = no; then
68: AC_DEFINE(NO_MULTIBYTE_SUPPORT)
69: fi
70:
71: dnl load up the cross-building cache file -- add more cases and cache
72: dnl files as necessary
73:
74: dnl Note that host and target machine are the same, and different than the
75: dnl build machine.
76:
77: CROSS_COMPILE=
78: if test "x$cross_compiling" = "xyes"; then
79: case "${host}" in
80: *-cygwin*)
81: cross_cache=${srcdir}/cross-build/cygwin.cache
82: ;;
83: *-mingw*)
84: cross_cache=${srcdir}/cross-build/mingw.cache
85: ;;
86: i[[3456]]86-*-beos*)
87: cross_cache=${srcdir}/cross-build/x86-beos.cache
88: ;;
89: *) echo "configure: cross-compiling for $host is not supported" >&2
90: ;;
91: esac
92: if test -n "${cross_cache}" && test -r "${cross_cache}"; then
93: echo "loading cross-build cache file ${cross_cache}"
94: . ${cross_cache}
95: fi
96: unset cross_cache
97: CROSS_COMPILE='-DCROSS_COMPILING'
98: AC_SUBST(CROSS_COMPILE)
99: fi
100:
101: echo ""
102: echo "Beginning configuration for readline-$LIBVERSION for ${host_cpu}-${host_vendor}-${host_os}"
103: echo ""
104:
105: # We want these before the checks, so the checks can modify their values.
106: test -z "$CFLAGS" && CFLAGS=-g auto_cflags=1
107:
108: AC_PROG_MAKE_SET
109: AC_PROG_CC
110: dnl AC_AIX
111: AC_MINIX
112:
113: # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
114: test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"
115:
116: AC_PROG_GCC_TRADITIONAL
117: AC_PROG_INSTALL
118: AC_CHECK_TOOL(AR, ar)
119: dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
120: dnl This allows people to set it when running configure or make
121: test -n "$ARFLAGS" || ARFLAGS="cr"
122: AC_PROG_RANLIB
123:
124: MAKE_SHELL=/bin/sh
125: AC_SUBST(MAKE_SHELL)
126:
127: AC_C_CONST
128: AC_C_PROTOTYPES
129: AC_C_CHAR_UNSIGNED
130: AC_C_VOLATILE
131:
132: AC_TYPE_SIGNAL
133:
134: AC_TYPE_SIZE_T
135: AC_CHECK_TYPE(ssize_t, int)
136:
137: AC_HEADER_STDC
138:
139: AC_HEADER_STAT
140: AC_HEADER_DIRENT
141:
142: AC_CHECK_FUNCS(fcntl kill lstat)
143: AC_CHECK_FUNCS(memmove putenv select setenv setlocale \
144: strcasecmp strpbrk tcgetattr vsnprintf)
145: AC_CHECK_FUNCS(isascii isxdigit)
146: AC_CHECK_FUNCS(getpwent getpwnam getpwuid)
147:
148: AC_FUNC_STRCOLL
149:
150: AC_CHECK_HEADERS(fcntl.h unistd.h stdlib.h varargs.h stdarg.h stdbool.h \
151: string.h strings.h \
152: limits.h locale.h pwd.h memory.h termcap.h termios.h termio.h)
153: AC_CHECK_HEADERS(sys/pte.h sys/stream.h sys/select.h sys/file.h)
154:
155: AC_CHECK_HEADERS(sys/ptem.h,,,
156: [[
157: #if HAVE_SYS_STREAM_H
158: # include <sys/stream.h>
159: #endif
160: ]])
161:
162: AC_SYS_LARGEFILE
163:
164: BASH_SYS_SIGNAL_VINTAGE
165: BASH_SYS_REINSTALL_SIGHANDLERS
166:
167: BASH_FUNC_POSIX_SETJMP
168: BASH_FUNC_LSTAT
169: BASH_FUNC_STRCOLL
170: BASH_FUNC_CTYPE_NONASCII
171:
172: BASH_CHECK_GETPW_FUNCS
173:
174: AC_HEADER_TIOCGWINSZ
175:
176: BASH_TYPE_SIG_ATOMIC_T
177: BASH_TYPE_SIGHANDLER
178:
179: BASH_HAVE_TIOCSTAT
180: BASH_HAVE_FIONREAD
181: BASH_CHECK_SPEED_T
182: BASH_STRUCT_WINSIZE
183: BASH_STRUCT_DIRENT_D_INO
184: BASH_STRUCT_DIRENT_D_FILENO
185:
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 "$prefer_curses" = yes; then
195: TERMCAP_LIB=-lcurses
196: else
197: TERMCAP_LIB=-ltermcap #default
198: fi
199: fi
200:
201: BASH_CHECK_MULTIBYTE
202:
203: case "$host_cpu" in
204: *cray*) LOCAL_CFLAGS=-DCRAY ;;
205: *s390*) LOCAL_CFLAGS=-fsigned-char ;;
206: esac
207:
208: case "$host_os" in
209: isc*) LOCAL_CFLAGS=-Disc386 ;;
210: esac
211:
212: # shared library configuration section
213: #
214: # Shared object configuration section. These values are generated by
215: # ${srcdir}/support/shobj-conf
216: #
217: if test -f ${srcdir}/support/shobj-conf; then
218: AC_MSG_CHECKING(configuration for building shared libraries)
219: eval `TERMCAP_LIB=$TERMCAP_LIB ${CONFIG_SHELL-/bin/sh} ${srcdir}/support/shobj-conf -C "${CC}" -c ${host_cpu} -o ${host_os} -v ${host_vendor}`
220:
221: # case "$SHLIB_LIBS" in
222: # *curses*|*termcap*|*termlib*) ;;
223: # *) SHLIB_LIBS="$SHLIB_LIBS $TERMCAP_LIB" ;;
224: # esac
225:
226: AC_SUBST(SHOBJ_CC)
227: AC_SUBST(SHOBJ_CFLAGS)
228: AC_SUBST(SHOBJ_LD)
229: AC_SUBST(SHOBJ_LDFLAGS)
230: AC_SUBST(SHOBJ_XLDFLAGS)
231: AC_SUBST(SHOBJ_LIBS)
232: AC_SUBST(SHOBJ_STATUS)
233: AC_SUBST(SHLIB_STATUS)
234: AC_SUBST(SHLIB_XLDFLAGS)
235: AC_SUBST(SHLIB_DOT)
236: AC_SUBST(SHLIB_LIBPREF)
237: AC_SUBST(SHLIB_LIBSUFF)
238: AC_SUBST(SHLIB_LIBVERSION)
239: AC_SUBST(SHLIB_DLLVERSION)
240: AC_SUBST(SHLIB_LIBS)
241: AC_MSG_RESULT($SHLIB_STATUS)
242:
243: # SHLIB_STATUS is either `supported' or `unsupported'. If it's
244: # `unsupported', turn off any default shared library building
245: if test "$SHLIB_STATUS" = 'unsupported'; then
246: opt_shared_libs=no
247: fi
248:
249: # shared library versioning
250: # quoted for m4 so I can use character classes
251: SHLIB_MAJOR=[`expr "$LIBVERSION" : '\([0-9]\)\..*'`]
252: SHLIB_MINOR=[`expr "$LIBVERSION" : '[0-9]\.\([0-9]\).*'`]
253: AC_SUBST(SHLIB_MAJOR)
254: AC_SUBST(SHLIB_MINOR)
255: fi
256:
257: if test "$opt_static_libs" = "yes"; then
258: STATIC_TARGET=static
259: STATIC_INSTALL_TARGET=install-static
260: fi
261: if test "$opt_shared_libs" = "yes"; then
262: SHARED_TARGET=shared
263: SHARED_INSTALL_TARGET=install-shared
264: fi
265:
266: AC_SUBST(STATIC_TARGET)
267: AC_SUBST(SHARED_TARGET)
268: AC_SUBST(STATIC_INSTALL_TARGET)
269: AC_SUBST(SHARED_INSTALL_TARGET)
270:
271: case "$build_os" in
272: msdosdjgpp*) BUILD_DIR=`pwd.exe` ;; # to prevent //d/path/file
273: *) BUILD_DIR=`pwd` ;;
274: esac
275:
276: case "$BUILD_DIR" in
277: *\ *) BUILD_DIR=`echo "$BUILD_DIR" | sed 's: :\\\\ :g'` ;;
278: *) ;;
279: esac
280:
281: AC_SUBST(PURIFY)
282: AC_SUBST(BUILD_DIR)
283:
284: AC_SUBST(CFLAGS)
285: AC_SUBST(LOCAL_CFLAGS)
286: AC_SUBST(LOCAL_LDFLAGS)
287: AC_SUBST(LOCAL_DEFS)
288:
289: AC_SUBST(AR)
290: AC_SUBST(ARFLAGS)
291:
292: AC_SUBST(host_cpu)
293: AC_SUBST(host_os)
294:
295: AC_SUBST(LIBVERSION)
296:
297: AC_SUBST(TERMCAP_LIB)
298:
299: AC_OUTPUT([Makefile doc/Makefile examples/Makefile shlib/Makefile],
300: [
301: # Makefile uses this timestamp file to record whether config.h is up to date.
302: echo > stamp-h
303: ])
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