1 # Process this file with autoconf to produce a configure script.
3 # Copyright (C) 1984-2011 Mark Nudelman
5 # You may distribute under the terms of either the GNU General Public
6 # License or the Less License, as specified in the README file.
8 # For more information about less, or for information on how to
9 # contact the author, see the README file.
11 # Autoconf initialization.
13 AC_CONFIG_SRCDIR([forwback.c])
14 AC_CONFIG_HEADER([defines.h])
16 # Checks for programs.
19 AC_PROG_GCC_TRADITIONAL
22 # Checks for compilation model.
25 # Checks for general libraries.
26 AC_CHECK_LIB(tinfo, tgoto, [have_tinfo=yes], [have_tinfo=no])
27 AC_CHECK_LIB(tinfow, tgoto, [have_tinfow=yes], [have_tinfow=no])
28 AC_CHECK_LIB(xcurses, initscr, [have_xcurses=yes], [have_xcurses=no])
29 AC_CHECK_LIB(ncursesw, initscr, [have_ncursesw=yes], [have_ncursesw=no])
30 AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no])
31 AC_CHECK_LIB(curses, initscr, [have_curses=yes], [have_curses=no])
32 AC_CHECK_LIB(termcap, tgetent, [have_termcap=yes], [have_termcap=no])
33 AC_CHECK_LIB(termlib, tgetent, [have_termlib=yes], [have_termlib=no])
34 # Regular expressions (regcmp) are in -lgen on Solaris 2, (but in libc
35 # at least on Solaris 10 (2.10)) and in -lintl on SCO Unix.
36 AC_SEARCH_LIBS([regcmp], [gen intl PW])
38 # Checks for terminal libraries
39 AC_MSG_CHECKING([for working terminal libraries])
42 # Check for systems where curses is broken.
44 if test x`uname -s` = "xHP-UX" >/dev/null 2>&1; then
45 if test x`uname -r` = "xB.11.00" >/dev/null 2>&1; then
48 if test x`uname -r` = "xB.11.11" >/dev/null 2>&1; then
53 if test $curses_broken = 0; then
56 if test "x$TERMLIBS" = x; then
57 if test $have_tinfo = yes; then
60 LIBS="$LIBS $TERMLIBS"
61 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
62 [termok=yes], [termok=no])
64 if test $termok = no; then TERMLIBS=""; fi
69 if test "x$TERMLIBS" = x; then
70 if test $have_tinfow = yes; then
73 LIBS="$LIBS $TERMLIBS"
74 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
75 [termok=yes], [termok=no])
77 if test $termok = no; then TERMLIBS=""; fi
82 if test "x$TERMLIBS" = x; then
83 if test $have_xcurses = yes; then
86 LIBS="$LIBS $TERMLIBS"
87 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
88 [termok=yes], [termok=no])
90 if test $termok = no; then TERMLIBS=""; fi
95 if test "x$TERMLIBS" = x; then
96 if test $have_ncursesw = yes; then
99 LIBS="$LIBS $TERMLIBS"
100 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
101 [termok=yes], [termok=no])
103 if test $termok = no; then TERMLIBS=""; fi
108 if test "x$TERMLIBS" = x; then
109 if test $have_ncurses = yes; then
112 LIBS="$LIBS $TERMLIBS"
113 AC_TRY_LINK([#include <termcap.h>], [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
114 [termok=yes], [termok=no])
116 if test $termok = no; then TERMLIBS=""; fi
121 if test "x$TERMLIBS" = x; then
122 if test $have_curses = yes; then
125 LIBS="$LIBS $TERMLIBS"
126 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
127 [termok=yes], [termok=no])
129 if test $termok = no; then TERMLIBS=""; fi
133 # -- Try curses & termcap.
134 if test "x$TERMLIBS" = x; then
135 if test $have_curses = yes; then
136 if test $have_termcap = yes; then
137 TERMLIBS="-lcurses -ltermcap"
139 LIBS="$LIBS $TERMLIBS"
140 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
141 [termok=yes], [termok=no])
143 if test $termok = no; then TERMLIBS=""; fi
150 if test "x$TERMLIBS" = x; then
151 if test $have_termcap = yes; then
154 LIBS="$LIBS $TERMLIBS"
155 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
156 [termok=yes], [termok=no])
158 if test $termok = no; then TERMLIBS=""; fi
163 if test "x$TERMLIBS" = x; then
164 if test $have_termlib = yes; then
165 TERMLIBS="-lcurses -ltermlib"
167 LIBS="$LIBS $TERMLIBS"
168 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
169 [termok=yes], [termok=no])
171 if test $termok = no; then TERMLIBS=""; fi
175 if test "x$TERMLIBS" = x; then
176 AC_MSG_RESULT(Cannot find terminal libraries - configure failed)
179 AC_MSG_RESULT(using $TERMLIBS)
180 LIBS="$LIBS $TERMLIBS"
182 # Checks for header files.
184 AC_CHECK_HEADERS([ctype.h errno.h fcntl.h limits.h stdio.h stdlib.h string.h termcap.h termio.h termios.h time.h unistd.h values.h sys/ioctl.h sys/stream.h wctype.h])
186 # Checks for typedefs, structures, and compiler characteristics.
193 # Autoheader templates for symbols defined later by AC_DEFINE.
194 AH_TEMPLATE([HAVE_GNU_REGEX],
196 AH_TEMPLATE([HAVE_POSIX_REGCOMP],
197 [POSIX regcomp() and regex.h])
198 AH_TEMPLATE([HAVE_PCRE],
199 [PCRE (Perl-compatible regular expression) library])
200 AH_TEMPLATE([HAVE_PCRE2],
201 [PCRE2 (Perl-compatible regular expression) library])
202 AH_TEMPLATE([HAVE_RE_COMP],
204 AH_TEMPLATE([HAVE_REGCMP],
206 AH_TEMPLATE([HAVE_V8_REGCOMP],
207 [Henry Spencer V8 regcomp() and regexp.h])
208 AH_TEMPLATE([NO_REGEX],
209 [pattern matching is supported, but without metacharacters.])
210 AH_TEMPLATE([HAVE_REGEXEC2],
212 AH_TEMPLATE([HAVE_VOID],
213 [Define HAVE_VOID if your compiler supports the "void" type.])
214 AH_TEMPLATE([HAVE_FLOAT],
215 [Define HAVE_FLOAT if your compiler supports the "double" type.])
216 AH_TEMPLATE([HAVE_CONST],
217 [Define HAVE_CONST if your compiler supports the "const" modifier.])
218 AH_TEMPLATE([HAVE_STAT_INO],
219 [Define HAVE_STAT_INO if your struct stat has st_ino and st_dev.])
220 AH_TEMPLATE([HAVE_TIME_T],
221 [Define HAVE_TIME_T if your system supports the "time_t" type.])
222 AH_TEMPLATE([HAVE_STRERROR],
223 [Define HAVE_STRERROR if you have the strerror() function.])
224 AH_TEMPLATE([HAVE_FILENO],
225 [Define HAVE_FILENO if you have the fileno() macro.])
226 AH_TEMPLATE([HAVE_ERRNO],
227 [Define HAVE_ERRNO if you have the errno variable.])
228 AH_TEMPLATE([MUST_DEFINE_ERRNO],
229 [Define MUST_DEFINE_ERRNO if you have errno but it is not define in errno.h.])
230 AH_TEMPLATE([HAVE_SYS_ERRLIST],
231 [Define HAVE_SYS_ERRLIST if you have the sys_errlist[] variable.])
232 AH_TEMPLATE([HAVE_OSPEED],
233 [Define HAVE_OSPEED if your termcap library has the ospeed variable.])
234 AH_TEMPLATE([MUST_DEFINE_OSPEED],
235 [Define MUST_DEFINE_OSPEED if you have ospeed but it is not defined in termcap.h.])
236 AH_TEMPLATE([HAVE_LOCALE],
237 [Define HAVE_LOCALE if you have locale.h and setlocale.])
238 AH_TEMPLATE([HAVE_TERMIOS_FUNCS],
239 [Define HAVE_TERMIOS_FUNCS if you have tcgetattr/tcsetattr.])
240 AH_TEMPLATE([HAVE_UPPER_LOWER],
241 [Define HAVE_UPPER_LOWER if you have isupper, islower, toupper, tolower.])
242 AH_TEMPLATE([HAVE_WCTYPE],
243 [Define HAVE_WCTYPE if you have iswupper, iswlower, towupper, towlower.])
244 AH_TEMPLATE([HAVE_SIGSET_T],
245 [Define HAVE_SIGSET_T you have the sigset_t type.])
246 AH_TEMPLATE([HAVE_SIGEMPTYSET],
247 [Define HAVE_SIGEMPTYSET if you have the sigemptyset macro.])
248 AH_TEMPLATE([EDIT_PGM],
249 [Define EDIT_PGM to your editor.])
250 AH_TEMPLATE([SECURE_COMPILE],
251 [Define SECURE_COMPILE=1 to build a secure version of less.])
253 # Checks for identifiers.
255 AC_MSG_CHECKING(for void)
256 AC_TRY_COMPILE(, [void *foo = 0;],
257 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_VOID)], [AC_MSG_RESULT(no)])
258 AC_MSG_CHECKING(for const)
259 AC_TRY_COMPILE(, [const int foo = 0;],
260 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_CONST)], [AC_MSG_RESULT(no)])
261 AC_MSG_CHECKING(for time_t)
262 AC_TRY_COMPILE([#include <time.h>], [time_t t = 0;],
263 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_TIME_T)], [AC_MSG_RESULT(no)])
264 AC_MSG_CHECKING(for st_ino in struct stat)
265 AC_TRY_COMPILE([#include <sys/types.h>
266 #include <sys/stat.h>],
267 [struct stat s; dev_t dev = s.st_dev; ino_t ino = s.st_ino;],
268 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STAT_INO)], [AC_MSG_RESULT(no)])
270 # Checks for ANSI function prototypes.
271 AC_MSG_CHECKING(for ANSI function prototypes)
272 AC_TRY_COMPILE([], [int f(int a) { return a; }],
273 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_ANSI_PROTOS)], [AC_MSG_RESULT(no)])
275 # Checks for library functions.
277 AC_CHECK_FUNCS([fchmod fsync nanosleep poll popen realpath _setjmp sigprocmask sigsetmask snprintf stat system ttyname usleep])
279 # AC_CHECK_FUNCS may not work for inline functions, so test these separately.
280 AC_MSG_CHECKING(for memcpy)
284 #endif], [memcpy(0,0,0);],
285 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_MEMCPY)], [AC_MSG_RESULT(no)])
287 AC_MSG_CHECKING(for strchr)
291 #endif], [strchr("x",'x');],
292 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STRCHR)], [AC_MSG_RESULT(no)])
294 AC_MSG_CHECKING(for strstr)
298 #endif], [strstr("x","x");],
299 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STRSTR)], [AC_MSG_RESULT(no)])
301 # Some systems have termios.h but not the corresponding functions.
302 AC_CHECK_FUNC(tcgetattr, AC_DEFINE(HAVE_TERMIOS_FUNCS))
304 AC_MSG_CHECKING(for fileno)
308 #endif], [static int x; x = fileno(stdin);],
309 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FILENO)], [AC_MSG_RESULT(no)])
311 AC_MSG_CHECKING(for strerror)
321 #endif], [static char *x; x = strerror(0);],
322 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STRERROR)], [AC_MSG_RESULT(no)])
324 AC_MSG_CHECKING(for sys_errlist)
325 AC_TRY_LINK(, [extern char *sys_errlist[]; static char **x; x = sys_errlist;],
326 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYS_ERRLIST)], [AC_MSG_RESULT(no)])
328 AC_CHECK_TYPES([sigset_t],,,[#include <signal.h>])
330 AC_MSG_CHECKING(for sigemptyset)
333 ], [sigset_t s; sigemptyset(&s);],
334 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SIGEMPTYSET)], [AC_MSG_RESULT(no)])
337 AC_MSG_CHECKING(for errno)
341 #endif], [static int x; x = errno;],
342 [AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO) have_errno=yes])
343 if test $have_errno = no; then
347 #endif], [extern int errno; static int x; x = errno;],
348 [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO) AC_DEFINE(MUST_DEFINE_ERRNO)],
352 AC_MSG_CHECKING(for locale)
353 AC_TRY_LINK([#include <locale.h>
355 #include <langinfo.h>], [setlocale(LC_CTYPE,""); isprint(0); iscntrl(0);],
356 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_LOCALE)], [AC_MSG_RESULT(no)])
358 AC_MSG_CHECKING(for ctype functions)
362 #endif], [static int x; x = isupper(x); x = tolower(x); x = toupper(x);],
363 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_UPPER_LOWER)], [AC_MSG_RESULT(no)])
365 AC_MSG_CHECKING(for wctype functions)
366 AC_TRY_LINK([#include <wctype.h>], [iswlower(0); iswupper(0); towlower(0); towupper(0);],
367 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WCTYPE)], [AC_MSG_RESULT(no)])
369 # Checks for external variable ospeed in the termcap library.
371 AC_MSG_CHECKING(termcap for ospeed)
373 #include <sys/types.h>
379 #endif], [ospeed = 0;],
380 [AC_MSG_RESULT(yes - in termcap.h); AC_DEFINE(HAVE_OSPEED) have_ospeed=yes])
381 if test $have_ospeed = no; then
382 AC_TRY_LINK(, [extern short ospeed; ospeed = 0;],
383 [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_OSPEED) AC_DEFINE(MUST_DEFINE_OSPEED)],
387 # Compile in secure mode?
389 [ --with-secure Compile in secure mode],
390 AC_DEFINE(SECURE_COMPILE, 1), AC_DEFINE(SECURE_COMPILE, 0))
392 # Should we use floating point?
393 AC_MSG_CHECKING(for floating point)
394 AC_ARG_WITH(no-float,
395 [ --with-no-float Do not use floating point],
396 WANT_NO_FLOAT=1, WANT_NO_FLOAT=0)
397 if test $WANT_NO_FLOAT = 0; then
398 AC_TRY_LINK(, [double f1 = 12.5; double f2 = f1*f1/2.5;],
399 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOAT)], [AC_MSG_RESULT(no)])
401 AC_MSG_RESULT(disabled by user)
404 # Checks for regular expression functions.
406 have_posix_regex=unknown
409 # Select a regular expression library.
412 [ --with-regex=LIB select regular expression library (LIB is one of auto,none,gnu,pcre,pcre2,posix,regcmp,re_comp,regcomp,regcomp-local) [[auto]]],
413 WANT_REGEX="$withval")
415 if test $have_regex = no; then
416 if test $WANT_REGEX = auto -o $WANT_REGEX = posix; then
417 # Some versions of Solaris have a regcomp() function, but it doesn't work!
418 # So we run a test program. If we're cross-compiling, do it the old way.
419 AC_MSG_CHECKING(for POSIX regcomp)
421 #include <sys/types.h>
423 main() { regex_t r; regmatch_t rm; char *text = "xabcy";
424 if (regcomp(&r, "abc", 0)) exit(1);
425 if (regexec(&r, text, 1, &rm, 0)) exit(1);
427 if (rm.rm_so != 1) exit(1); /* check for correct offset */
429 if (rm.rm_sp != text + 1) exit(1); /* check for correct offset */
432 have_posix_regex=yes, have_posix_regex=no, have_posix_regex=unknown)
433 if test $have_posix_regex = yes; then
435 AC_DEFINE(HAVE_POSIX_REGCOMP) supported_regex="$supported_regex posix"
437 elif test $have_posix_regex = unknown; then
439 #include <sys/types.h>
441 [regex_t *r; regfree(r);],
443 AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes; supported_regex="$supported_regex posix")
450 if test $have_regex = no; then
451 if test $WANT_REGEX = auto -o $WANT_REGEX = pcre2; then
452 AC_CHECK_LIB(pcre2-8, pcre2_compile_8,
453 [AC_DEFINE(HAVE_PCRE2) LIBS="$LIBS -lpcre2-8" have_regex=yes; supported_regex="$supported_regex pcre2"], [])
457 if test $have_regex = no; then
458 if test $WANT_REGEX = auto -o $WANT_REGEX = pcre; then
459 AC_CHECK_LIB(pcre, pcre_compile,
460 [AC_DEFINE(HAVE_PCRE) LIBS="$LIBS -lpcre" have_regex=yes; supported_regex="$supported_regex pcre"], [])
464 if test $have_regex = no; then
465 if test $WANT_REGEX = auto -o $WANT_REGEX = gnu; then
466 AC_CHECK_LIB(c, re_compile_pattern,
467 [AC_DEFINE(HAVE_GNU_REGEX) have_regex=yes; supported_regex="$supported_regex gnu"], [])
471 if test $have_regex = no; then
472 if test $WANT_REGEX = auto -o $WANT_REGEX = regcmp; then
473 AC_CHECK_FUNC(regcmp,
474 [AC_DEFINE(HAVE_REGCMP) have_regex=yes; supported_regex="$supported_regex regcmp"],[])
478 if test $have_regex = no; then
479 if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp; then
480 AC_MSG_CHECKING(for V8 regcomp)
482 #include "regexp.h"], [regcomp("");],
483 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_V8_REGCOMP) have_regex=yes; supported_regex="$supported_regex regcomp"],[AC_MSG_RESULT(no)])
487 if test $have_regex = no && test -f ${srcdir}/regexp.c; then
488 if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp-local; then
489 AC_MSG_RESULT(using V8 regcomp -- local source); AC_DEFINE(HAVE_V8_REGCOMP)
490 supported_regex="$supported_regex regcomp-local"
491 AC_DEFINE(HAVE_REGEXEC2) REGEX_O='regexp.$(O)' AC_SUBST(REGEX_O) have_regex=yes
495 if test $have_regex = no; then
496 if test $WANT_REGEX = auto -o $WANT_REGEX = re_comp; then
497 AC_MSG_CHECKING(for re_comp)
498 AC_CHECK_FUNC(re_comp,
499 [AC_DEFINE(HAVE_RE_COMP) have_regex=yes; supported_regex="$supported_regex re_comp"],[])
503 if test $have_regex = no; then
504 if test $WANT_REGEX = auto -o $WANT_REGEX = none; then
505 AC_MSG_RESULT(using no regex)
507 AC_MSG_WARN(cannot find regular expression library)
509 AC_DEFINE(NO_REGEX) supported_regex="$supported_regex none"
512 AC_MSG_RESULT(regular expression library: $supported_regex)
515 [ --with-editor=PROGRAM use PROGRAM as the default editor [[vi]]],
516 AC_DEFINE_UNQUOTED(EDIT_PGM, "$withval"), AC_DEFINE(EDIT_PGM, "vi"))
519 /* Unix definition file for less. -*- C -*-
521 * This file has 3 sections:
523 * Settings always true on Unix.
524 * Settings automatically determined by configure.
526 * * * * * * WARNING * * * * * *
527 * If you edit defines.h by hand, do "touch stamp-h" before you run make
528 * so config.status doesn't overwrite your changes.
531 /* User preferences. */
534 * SECURE is 1 if you wish to disable a bunch of features in order to
535 * be safe to run by unprivileged users.
536 * SECURE_COMPILE is set by the --with-secure configure option.
538 #define SECURE SECURE_COMPILE
541 * SHELL_ESCAPE is 1 if you wish to allow shell escapes.
542 * (This is possible only if your system supplies the system() function.)
544 #define SHELL_ESCAPE (!SECURE)
547 * EXAMINE is 1 if you wish to allow examining files by name from within less.
549 #define EXAMINE (!SECURE)
552 * TAB_COMPLETE_FILENAME is 1 if you wish to allow the TAB key
553 * to complete filenames at prompts.
555 #define TAB_COMPLETE_FILENAME (!SECURE)
558 * CMD_HISTORY is 1 if you wish to allow keys to cycle through
559 * previous commands at prompts.
561 #define CMD_HISTORY 1
564 * HILITE_SEARCH is 1 if you wish to have search targets to be
565 * displayed in standout mode.
567 #define HILITE_SEARCH 1
570 * EDITOR is 1 if you wish to allow editor invocation (the "v" command).
571 * (This is possible only if your system supplies the system() function.)
572 * EDIT_PGM is the name of the (default) editor to be invoked.
574 #define EDITOR (!SECURE)
577 * TAGS is 1 if you wish to support tag files.
579 #define TAGS (!SECURE)
582 * USERFILE is 1 if you wish to allow a .less file to specify
583 * user-defined key bindings.
585 #define USERFILE (!SECURE)
588 * GLOB is 1 if you wish to have shell metacharacters expanded in filenames.
589 * This will generally work if your system provides the "popen" function
590 * and the "echo" shell command.
592 #define GLOB (!SECURE)
595 * PIPEC is 1 if you wish to have the "|" command
596 * which allows the user to pipe data into a shell command.
598 #define PIPEC (!SECURE)
601 * LOGFILE is 1 if you wish to allow the -o option (to create log files).
603 #define LOGFILE (!SECURE)
606 * GNU_OPTIONS is 1 if you wish to support the GNU-style command
607 * line options --help and --version.
609 #define GNU_OPTIONS 1
612 * ONLY_RETURN is 1 if you want RETURN to be the only input which
613 * will continue past an error message.
614 * Otherwise, any key will continue past an error message.
616 #define ONLY_RETURN 0
619 * LESSKEYFILE is the filename of the default lesskey output file
620 * (in the HOME directory).
621 * LESSKEYFILE_SYS is the filename of the system-wide lesskey output file.
622 * DEF_LESSKEYINFILE is the filename of the default lesskey input
623 * (in the HOME directory).
624 * LESSHISTFILE is the filename of the history file
625 * (in the HOME directory).
627 #define LESSKEYFILE ".less"
628 #define LESSKEYFILE_SYS SYSDIR "/sysless"
629 #define DEF_LESSKEYINFILE ".lesskey"
630 #define LESSHISTFILE ".lesshst"
633 /* Settings always true on Unix. */
636 * Define MSDOS_COMPILER if compiling under Microsoft C.
638 #define MSDOS_COMPILER 0
641 * Pathname separator character.
643 #define PATHNAME_SEP "/"
646 * The value returned from tgetent on success.
647 * Some HP-UX systems return 0 on success.
652 * HAVE_ANSI_PROTOS is 1 if your compiler supports ANSI function prototypes.
654 #define HAVE_ANSI_PROTOS 1
657 * HAVE_SYS_TYPES_H is 1 if your system has <sys/types.h>.
659 #define HAVE_SYS_TYPES_H 1
662 * Define if you have the <sgstat.h> header file.
667 * HAVE_PERROR is 1 if your system has the perror() call.
668 * (Actually, if it has sys_errlist, sys_nerr and errno.)
670 #define HAVE_PERROR 1
673 * HAVE_TIME is 1 if your system has the time() call.
678 * HAVE_SHELL is 1 if your system supports a SHELL command interpreter.
683 * Default shell metacharacters and meta-escape character.
685 #define DEF_METACHARS "; *?\t\n'\"()<>[]|&^`#\\$%=~{},"
686 #define DEF_METAESCAPE "\\"
689 * HAVE_DUP is 1 if your system has the dup() call.
693 /* Define to 1 if you have the memcpy() function. */
694 #define HAVE_MEMCPY 1
696 /* Define to 1 if you have the strchr() function. */
697 #define HAVE_STRCHR 1
699 /* Define to 1 if you have the strstr() function. */
700 #define HAVE_STRSTR 1
703 * Sizes of various buffers.
705 #if 0 /* old sizes for small memory machines */
706 #define CMDBUF_SIZE 512 /* Buffer for multichar commands */
707 #define UNGOT_SIZE 100 /* Max chars to unget() */
708 #define LINEBUF_SIZE 1024 /* Max size of line in input file */
709 #define OUTBUF_SIZE 1024 /* Output buffer */
710 #define PROMPT_SIZE 200 /* Max size of prompt string */
711 #define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */
712 #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */
713 #define TAGLINE_SIZE 512 /* Max size of line in tags file */
714 #define TABSTOP_MAX 32 /* Max number of custom tab stops */
715 #else /* more reasonable sizes for modern machines */
716 #define CMDBUF_SIZE 2048 /* Buffer for multichar commands */
717 #define UNGOT_SIZE 200 /* Max chars to unget() */
718 #define LINEBUF_SIZE 1024 /* Initial max size of line in input file */
719 #define OUTBUF_SIZE 1024 /* Output buffer */
720 #define PROMPT_SIZE 2048 /* Max size of prompt string */
721 #define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */
722 #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */
723 #define TAGLINE_SIZE 1024 /* Max size of line in tags file */
724 #define TABSTOP_MAX 128 /* Max number of custom tab stops */
727 /* Settings automatically determined by configure. */
730 AC_CONFIG_FILES([Makefile])