forked from hanslub42/rlwrap
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathconfigure.ac
499 lines (385 loc) · 18 KB
/
configure.ac
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
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
dnl configuration script for rlwrap
dnl Process this file with autoconf to produce configure.
dnl
dnl Copyright (C) 2000-20017 Hans Lub hanslub42@gmail.com
dnl
dnl This file is part of rlwrap
dnl
dnl rlwrap is free software; you can redistribute it and/or modify it
dnl under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2, or (at your
dnl option) any later version.
dnl
dnl rlwrap is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with GUILE; see the file COPYING. If not, write to the
dnl Free Software Foundation, Inc., 59 Temple Place - Suite 330,
dnl Boston, MA 02111-1307, USA.
AC_INIT(rlwrap,0.43)
AC_PREREQ(2.61)
AC_CONFIG_AUX_DIR(tools)
AC_CANONICAL_HOST
AC_CONFIG_SRCDIR(src/main.c)
AM_INIT_AUTOMAKE
AC_PROG_INSTALL
AC_CONFIG_HEADERS([config.h])
AC_PROG_MAKE_SET
AM_SANITY_CHECK
# option parsing for optional features
opt_debug=no
opt_homegrown_redisplay=no
opt_spy_on_readline=yes
opt_proc_mountpoint=/proc
AC_ARG_ENABLE(debug,
AC_HELP_STRING([--enable-debug], [enable debugging [[default=NO]]]),
opt_debug=$enableval)
AC_ARG_ENABLE(pedantic-ansi,
AC_HELP_STRING([--enable-pedantic-ansi], [compile with -ansi and -pedantic [[default=NO]]]),
opt_pedantic_ansi=$enableval)
AC_ARG_ENABLE(homegrown-redisplay,
AC_HELP_STRING([--enable-homegrown-redisplay], [try this only if rlwrap messes up the prompt [[default=NO]]]),
opt_homegrown_redisplay=$enableval)
AC_ARG_ENABLE(spy-on-readline,
AC_HELP_STRING([--enable-spy-on-readline [[default=YES]]],
[use private readline variable to keep screen tidy when resizing terminal [[default=YES]]]),
opt_spy_on_readline=$enableval)
AC_ARG_ENABLE(proc-mountpoint,
AC_HELP_STRING([--enable-proc-mountpoint [[default=/proc]]],
[specify mountpoint for Linux-style procfs (used for determination of command's PWD) [[default=/proc]]]), # '
opt_proc_mountpoint=$enableval)
if test x$opt_debug = xyes ; then
AC_DEFINE(DEBUG,1 ,Define to 1 to get debugging info)
test -z "$CFLAGS" || AC_MSG_WARN([Because CFLAGS is set, configure will not add -g and -Wall to them - do it yourself if necessary])
test -z "$CFLAGS" && AC_SUBST(CFLAGS,"-O0 -g -Wall") # compile for debugging, and give plenty of warnings
fi
if test x$opt_pedantic_ansi = xyes ; then
AC_SUBST(CFLAGS,"$CFLAGS -ansi -Wimplicit-function-declaration -Wimplicit -pedantic -Wextra")
fi
# wait with defining SPY_ON_READLINE until we know we can use _rl_horizontal_scroll_mode (cf below)
AC_USE_SYSTEM_EXTENSIONS
test x$opt_homegrown_redisplay = xyes && AC_DEFINE(HOMEGROWN_REDISPLAY,1 ,[Define to 1 to use homegrown_redisplay()])
AC_CONFIG_FILES([Makefile filters/Makefile doc/Makefile src/Makefile doc/rlwrap.man])
# Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PATH_PROG(PERL,perl)
AC_CHECK_PROG(STRIP,strip,strip,true)
# Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([errno.h fcntl.h libgen.h libutil.h stdlib.h string.h sched.h sys/ioctl.h sys/wait.h sys/resource.h stddef.h ])
AC_CHECK_HEADERS([termios.h unistd.h stdint.h time.h getopt.h regex.h curses.h termcap.h ])
AC_CHECK_HEADERS([ term.h ncurses/term.h], , ,
[#ifdef HAVE_CURSES_H
#include <curses.h>
#endif])
AC_CHECK_DECLS(PROC_PIDVNODEPATHINFO, , , [#include <libproc.h>])
have_freebsd_libprocstat=yes
AC_CHECK_DECLS([procstat_open_sysctl, procstat_getprocs, procstat_getfiles, STAILQ_FOREACH] ,[] ,[have_freebsd_libprocstat=no],
[#include <sys/param.h>
#include <sys/queue.h>
#include <sys/socket.h>
#include <libprocstat.h>
#include <sys/sysctl.h>])
if test x$have_freebsd_libprocstat = xyes ; then
AC_DEFINE(HAVE_FREEBSD_LIBPROCSTAT,1 ,[Define to 1 to use FREEBSD libprocstat])
PROCSTATLIB='-lprocstat'
fi
# Found this in configure.ac for 'top':
# The third argument to tputs is a putc-like function that takes an
# argument. On most systems that argument is an int, but on some (you
# know who you are, Solaris!) it is a char. Determine which:
_savedwerror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes # make $CC fail after warning
AC_MSG_CHECKING([argument type of tputs putc function])
AC_COMPILE_IFELSE( [AC_LANG_PROGRAM(
[ #ifdef HAVE_CURSES_H
# include <curses.h>
# ifdef HAVE_TERM_H
# include <term.h>
# else
# ifdef HAVE_NCURSES_TERM_H /* cygwin? AIX? */
# include <ncurses/term.h>
# endif
# endif
#else
# ifdef HAVE_TERMCAP_H
# include <termcap.h>
# endif
#endif
int f(char i) { }],
[tputs("a", 1, f);])],
[ac_cv_type_tputs_putc="char"],
[ac_cv_type_tputs_putc="int"])
AC_MSG_RESULT($ac_cv_type_tputs_putc)
AC_DEFINE_UNQUOTED(TPUTS_PUTC_ARGTYPE, $ac_cv_type_tputs_putc,
[Define as the type for the argument to the putc function of tputs ('int' or 'char')])
ac_c_werror_flag=$_savedwerror_flag
AC_MSG_CHECKING([whether your getopt() correctly understands double colons in option string])
AC_RUN_IFELSE(
[AC_LANG_PROGRAM( [[ const char optstring[] = "+:a::b";
char * myargv [] = {"progname", "-a", "-b"};
int myargc = 3;
extern char *optarg;
]] , [[
int opt = getopt(myargc, myargv, optstring);
if (opt != 'a' || optarg) /* optarg != NULL means that -b is seen as argument of -a */
exit (-1);
else
exit(0); ]] )],
[AC_DEFINE(GETOPT_GROKS_OPTIONAL_ARGS, 1, Define if your getopt() correctly understands double colons in the option string)
AC_SUBST(HAVE_OPTIONAL_ARGS,yes)
ac_double_colons="yes"],
[AC_SUBST(HAVE_OPTIONAL_ARGS,no)
ac_double_colons="no"],
[echo
AC_MSG_WARN([This test doesn't work when cross-compiling. Edit GETOPT_GROKS_OPTIONAL_ARGS in config.h by hand. Guessing: ])
ac_double_colons=no])
AC_MSG_RESULT($ac_double_colons)
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_PID_T
AC_HEADER_TIME
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
AC_TYPE_SIGNAL
# Let groff -Tman know whether we have long options
AC_CHECK_FUNC([getopt_long], [AC_SUBST(HAVE_LONG_OPTS,[yes])],[AC_SUBST(HAVE_LONG_OPTS,[no])])
AC_CHECK_FUNCS(basename dirname getopt_long isastream mkstemps pselect putenv readlink sched_yield )
AC_CHECK_FUNCS(setenv setitimer setsid setrlimit sigaction snprintf strlcpy strlcat strnlen system)
# Try to determine the kind of pty support on this system
# This is not so easy and may guess wrong; if this happens:
# - edit config.h by hand (and keep a copy of it somewhere as configure will overwrite it), and
# - *please* notify the author! (hanslub42@gmail.com)
# Most of the code below is taken from rxvt-2.7.10 (Copyright (c) 1999-2001
# Geoff Wing <gcw@pobox.com>)
# In the newest FreeBSD, we need openpty, which exists in libutil
# NB: The rxvt configure script warns against this. Why?
AC_CHECK_LIB(util, openpty)
AC_CHECK_FUNCS(openpty getpty grantpt unlockpt)
AC_CACHE_CHECK(for getpt, ptyttylib_cv_func_getpt,
[AC_TRY_LINK([#define _GNU_SOURCE
#ifdef HAVE_STDLIB_H
# include <stdlib.h>
#endif],
[(void)getpt();],
ptyttylib_cv_func_getpt=yes, ptyttylib_cv_func_getpt=no)])
if test x$ptyttylib_cv_func_getpt = xyes; then
AC_DEFINE(HAVE_GETPT, 1, Define if you have _GNU_SOURCE getpt() )
fi
AC_CACHE_CHECK(for pty/tty type, ptyttylib_cv_ptys,
[if test x$ac_cv_func_openpty = xyes; then
ptyttylib_cv_ptys=OPENPTY
AC_CHECK_HEADERS([pty.h])
else if test x$ac_cv_func__getpty = xyes; then
ptyttylib_cv_ptys=SGI4
else if test -c /dev/ttyp20 -a ! -c /dev/ptmx; then
ptyttylib_cv_ptys=SCO
else if test -c /dev/ptym/clone; then
ptyttylib_cv_ptys=HPUX
else if test x$ptyttylib_cv_func_getpt = xyes; then
ptyttylib_cv_ptys=GLIBC
else if test -c /dev/ptc -a -c /dev/pts; then
ptyttylib_cv_ptys=PTC
else if test -c /dev/ptc -a -d /dev/pts; then
ptyttylib_cv_ptys=PTC
else if test -c /dev/ptmx -a -c /dev/pts/0; then
ptyttylib_cv_ptys=STREAMS
else case "$host_os" in
*cygwin*) ptyttylib_cv_ptys=STREAMS ;;
*) ptyttylib_cv_ptys=PREHISTORIC ;;
esac
fi
fi
fi
fi
fi
fi
fi
fi
])
if test x$ptyttylib_cv_ptys = xOPENPTY; then
AC_DEFINE(PTYS_ARE_OPENPTY, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xSCO; then
AC_DEFINE(PTYS_ARE_NUMERIC, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xSTREAMS; then
AC_DEFINE(PTYS_ARE_PTMX, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xPTC; then
AC_DEFINE(PTYS_ARE_PTC, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xSGI4; then
AC_DEFINE(PTYS_ARE__GETPTY, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xCONVEX; then
AC_DEFINE(PTYS_ARE_GETPTY, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xGLIBC; then
AC_DEFINE(PTYS_ARE_GETPT, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xHPUX; then
AC_DEFINE(PTYS_ARE_CLONE, 1, Define for this pty type)
fi
if test x$ptyttylib_cv_ptys = xPREHISTORIC -o x$ptyttylib_cv_ptys = xHPUX -o x$ptyttylib_cv_ptys = xGLIBC; then
AC_DEFINE(PTYS_ARE_SEARCHED, 1, Define for this pty type)
fi
AC_CHECKING(for pty ranges)
ptys=`echo /dev/pty??`
pch1=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\).$/\1/g' | sort -u | tr -d '\012'`
pch2=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\)$/\1/g' | sort -u | tr -d '\012'`
if test x$pch1 != x; then
AC_DEFINE_UNQUOTED(PTYCHAR1, "$pch1", Define for first char in devptyXX)
fi
if test x$pch2 != x; then
AC_DEFINE_UNQUOTED(PTYCHAR2, "$pch2", Define for second char in devptyXX)
fi
# Checks whether readline needs additional libs.
AC_CHECK_FUNC(tgetent,
[READLINE_SUPPLIB=],
[AC_CHECK_LIB(tinfo, tgetent,
[READLINE_SUPPLIB=-ltinfo],
[AC_CHECK_LIB(curses, tgetent,
[READLINE_SUPPLIB=-lcurses],
[AC_CHECK_LIB(ncurses, tgetent,
[READLINE_SUPPLIB=-lncurses],
[AC_CHECK_LIB(termcap, tgetent,
[READLINE_SUPPLIB=-ltermcap],
[AC_MSG_WARN(No termcap nor curses library found)])
])
])
])
])
AC_CHECK_LIB(readline,readline,[READLINELIB=-lreadline],
AC_MSG_ERROR([
You need the GNU readline library(ftp://ftp.gnu.org/gnu/readline/ ) to build
this program!
]), [$READLINE_SUPPLIB])
LIBS="$LIBS $PROCSTATLIB $READLINELIB $READLINE_SUPPLIB"
AC_CHECK_FUNCS(tigetnum)
AC_CHECK_HEADER([readline/readline.h],[],AC_MSG_ERROR([readline.h not found - you may need to install a readline development package]))
# AC_EGREP_RL_HEADER_AND_CHECK_FUNC(function_or_variable, [code using function_or_variable], HAVE_FUNCTION_OR_VARIABLE)
# This macro looks for <function_or_variable>, both as a declaration in header.h, and as a symbol in $LIBS
# ------------------------------------------------------------------------------------------
AC_DEFUN([AC_EGREP_RL_HEADER_AND_CHECK_FUNC],
[ AC_MSG_CHECKING([whether your readline headers and library know about $1])
AC_EGREP_HEADER($1, [readline/readline.h], in_header=1, in_header=0)
AC_TRY_LINK([ #include <stdio.h>
#include "readline/readline.h" ],
[$2], in_lib=1, in_lib=0)
if test x$in_lib = x1 -a x$in_header = x1 ; then
AC_DEFINE($3, 1 ,[Define to 1 if your readline lib has $1])
last_check=yes
else
last_check=no
fi
remark=
if test x$in_lib = x0 -a x$in_header = x1 ; then
remark=" (only in headers, not in lib. Hmmmmm....)"
fi
AC_MSG_RESULT([$last_check$remark])
])
AC_DEFUN([AC_MY_ERROR],
[AC_MSG_ERROR([
********************************************************************************
$1
********************************************************************************
])])
AC_EGREP_RL_HEADER_AND_CHECK_FUNC([rl_set_screen_size], [rl_set_screen_size(25,80)], [HAVE_RL_SET_SCREEN_SIZE])
test $last_check = no && AC_MY_ERROR([You need a more recent version (at least 4.2) of the readline
library (ftp://ftp.gnu.org/gnu/readline/) to build this program!])
AC_EGREP_RL_HEADER_AND_CHECK_FUNC([rl_basic_quote_characters], [printf("%s", rl_basic_quote_characters)], [HAVE_RL_BASIC_QUOTE_CHARS])
test $last_check = no && AC_MY_ERROR([[The readline library that I found is incomplete, probably just a wrapper
around libedit (like on Mac OS X) Please install GNU Readline and re-configure
with the correct CFLAGS and LDFLAGS (cf. the instructions in INSTALL)]])
AC_EGREP_RL_HEADER_AND_CHECK_FUNC([rl_variable_value], [rl_variable_value("blah")], [HAVE_RL_VARIABLE_VALUE])
AC_EGREP_RL_HEADER_AND_CHECK_FUNC([rl_readline_version],[printf("%d",rl_readline_version)], [HAVE_RL_READLINE_VERSION])
AC_EGREP_RL_HEADER_AND_CHECK_FUNC([rl_executing_keyseq],[printf("%s", rl_executing_keyseq)], [HAVE_RL_EXECUTING_KEYSEQ])
# rlwrap tries to read a global (but private) readline variable _rl_horizontal_scroll_mode if the the option spy-on-realine is enabled
# Depending on the linker (or linker options like gcc's -fvisibility=xxx) it may or may not be visible:
AC_MSG_CHECKING([whether the private symbol _rl_horizontal_scroll_mode is visble in your readline libs])
AC_TRY_LINK([#include <stdio.h>
extern int _rl_horizontal_scroll_mode;],
[printf("%d", _rl_horizontal_scroll_mode)],
found_rl_horiz=yes, found_rl_horiz=no)
AC_MSG_RESULT($found_rl_horiz)
if test $opt_spy_on_readline = yes -a $found_rl_horiz = no ; then
AC_MSG_WARN([I can't find _rl_horizontal_scroll_mode: disabling spy-on-readline now])
opt_spy_on_readline=no
fi
test x$opt_spy_on_readline = xyes && AC_DEFINE(SPY_ON_READLINE,1 ,Define to 1 to use private _rl_horizontal_scroll_mode)
# check for existence of myself under $opt_proc_mountpoint/$$/cwd If the user specified --disable-proc-mountpoint we'll still do these tests
# but they wil fail unless /no is a procfs mountpoint ;-)
echo "Will rlwrap find command's working directory under ${opt_proc_mountpoint}/<commands pid>/cwd? let's see..."
if test x$cross_compiling = xyes; then
AC_DEFINE(HAVE_PROC_PID_CWD, 0, [Define to 1 if <opt_proc_mountpoint>/<pid>/cwd is a link to working directory of process <pid>])
AC_SUBST(HAVE_PROC_PID_CWD,[no])
echo
AC_MSG_WARN([This test doesn't work when cross-compiling. Edit HAVE_PROC_PID_CWD in config.h by hand. Guessing: ])
else
AC_CHECK_FILES($opt_proc_mountpoint/$$/cwd/configure.ac,
[AC_DEFINE(HAVE_PROC_PID_CWD, 1 ,[Define to 1 if <opt_proc_mountpoint>/<pid>/cwd is a link to working directory of process <pid>])]
,[])
fi
#AC_MSG_RESULT([$HAVE_PROC_PID_CWD])
AC_DEFINE_UNQUOTED(PROC_MOUNTPOINT, "[$opt_proc_mountpoint]", [Define to location of Linux-style procfs mountpoint if provided and valid])
AC_MSG_CHECKING([whether we can find command line under <opt_proc_mountpoint>/<pid>/cmdline and mirror it by overwriting our own *argv])
# We won't exactly do that, but instead write a test program that writes a random string to *argv (making sure it is longer than argv[0])
# and then verify that we can see the same string under <opt_proc_mountpoint>/<pid>/cmdline
# If so, we enable the --mirror-args option
random_nonsense1="fymaytskjqhjeeimtmjqvqbnrnfutgnkehkmqqealklsoswyepxugcckimqdwbwfqdhdsdxfxiagqbnm"
random_nonsense2="iraliuuklajcorjfunavdsytdiydjaoaeauiapidtoxogfplrxfmfcmajikwenafwcownmoodxjljhsv"
AC_DEFINE_UNQUOTED(RANDOM_NONSENSE2, "\"$random_nonsense2\"", nonsense arg to overwrite conftest argv with)
if test $cross_compiling = "yes"; then
AC_DEFINE(ENABLE_MIRROR_ARGS, 0, [Define if overwriting argv changes args visible in ps (1)])
echo
AC_MSG_WARN([This test doesn't work when cross-compiling. Edit ENABLE_MIRROR_ARGS in config.h by hand. Guessing:])
result="no"
else
AC_LANG_CONFTEST(
[AC_LANG_SOURCE([[#include <unistd.h>
#include <string.h>
int main(int argc, char **argv) {
memcpy(*argv, "a\0" RANDOM_NONSENSE2, strlen(RANDOM_NONSENSE2) + 3);
return(sleep(10));
}
]])])
result="no"
$CC -o conftest conftest.c
./conftest $random_nonsense1 >/dev/null 2>&1 &
CONFTEST_PID=$!
if grep $random_nonsense2 $opt_proc_mountpoint/$CONFTEST_PID/cmdline >/dev/null 2>&1; then
AC_DEFINE(ENABLE_MIRROR_ARGS, 1, [Define if overwriting argv changes args visible in ps (1)])
result="yes"
fi
kill $!
fi
AC_MSG_RESULT($result)
if test x$cross_compiling = xyes; then
cat <<EOF
**************************************************************************************
* This configure script runs a few handwritten scripts and ad-hoc programs in order *
* to determine capabilities of the host (mostly around the /proc filesystem) *
* When cross-compiling, this makes no sense, as you can see above. *
* Hence, after configuration, please set HAVE_PROC_PID_CWD, *
* GETOPT_GROKS_OPTIONAL_ARGS and ENABLE_MIRROR_ARGS by hand (in config.h) *
**************************************************************************************
EOF
fi
echo
echo
AC_OUTPUT
cat <<EOF
Now do:
make (or gmake) to build rlwrap
make check for instructions how to test it
make install to install it
EOF
# Local Variables:
# mode: autoconf
# End: