configure.ac revision 221715
1# Process this file with autoconf to produce a configure script. 2 3# Copyright (C) 1984-2011 Mark Nudelman 4# 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. 7# 8# For more information about less, or for information on how to 9# contact the author, see the README file. 10 11# Autoconf initialization. 12AC_INIT(less, 1) 13AC_CONFIG_SRCDIR([forwback.c]) 14AC_CONFIG_HEADER([defines.h]) 15 16# Checks for programs. 17AC_PROG_CC 18AC_ISC_POSIX 19AC_PROG_GCC_TRADITIONAL 20AC_PROG_INSTALL 21 22# Checks for compilation model. 23AC_SYS_LARGEFILE 24 25# Checks for general libraries. 26AC_CHECK_LIB(tinfo, tgoto, [have_tinfo=yes], [have_tinfo=no]) 27AC_CHECK_LIB(xcurses, initscr, [have_xcurses=yes], [have_xcurses=no]) 28AC_CHECK_LIB(ncursesw, initscr, [have_ncursesw=yes], [have_ncursesw=no]) 29AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no]) 30AC_CHECK_LIB(curses, initscr, [have_curses=yes], [have_curses=no]) 31AC_CHECK_LIB(termcap, tgetent, [have_termcap=yes], [have_termcap=no]) 32AC_CHECK_LIB(termlib, tgetent, [have_termlib=yes], [have_termlib=no]) 33# Regular expressions (regcmp) are in -lgen on Solaris 2, 34# and in -lintl on SCO Unix. 35AC_CHECK_LIB(gen, regcmp) 36AC_CHECK_LIB(intl, regcmp) 37AC_CHECK_LIB(PW, regcmp) 38 39# Checks for terminal libraries 40AC_MSG_CHECKING([for working terminal libraries]) 41TERMLIBS= 42 43# Check for systems where curses is broken. 44curses_broken=0 45if test x`uname -s` = "xHP-UX" >/dev/null 2>&1; then 46if test x`uname -r` = "xB.11.00" >/dev/null 2>&1; then 47 curses_broken=1 48fi 49if test x`uname -r` = "xB.11.11" >/dev/null 2>&1; then 50 curses_broken=1 51fi 52fi 53 54if test $curses_broken = 0; then 55 56# -- Try tinfo. 57if test "x$TERMLIBS" = x; then 58 if test $have_tinfo = yes; then 59 TERMLIBS="-ltinfo" 60 SAVE_LIBS=$LIBS 61 LIBS="$LIBS $TERMLIBS" 62 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 63 [termok=yes], [termok=no]) 64 LIBS=$SAVE_LIBS 65 if test $termok = no; then TERMLIBS=""; fi 66 fi 67fi 68 69# -- Try xcurses. 70if test "x$TERMLIBS" = x; then 71 if test $have_xcurses = yes; then 72 TERMLIBS="-lxcurses" 73 SAVE_LIBS=$LIBS 74 LIBS="$LIBS $TERMLIBS" 75 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 76 [termok=yes], [termok=no]) 77 LIBS=$SAVE_LIBS 78 if test $termok = no; then TERMLIBS=""; fi 79 fi 80fi 81 82# -- Try ncursesw. 83if test "x$TERMLIBS" = x; then 84 if test $have_ncursesw = yes; then 85 TERMLIBS="-lncursesw" 86 SAVE_LIBS=$LIBS 87 LIBS="$LIBS $TERMLIBS" 88 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 89 [termok=yes], [termok=no]) 90 LIBS=$SAVE_LIBS 91 if test $termok = no; then TERMLIBS=""; fi 92 fi 93fi 94 95# -- Try ncurses. 96if test "x$TERMLIBS" = x; then 97 if test $have_ncurses = yes; then 98 TERMLIBS="-lncurses" 99 SAVE_LIBS=$LIBS 100 LIBS="$LIBS $TERMLIBS" 101 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 102 [termok=yes], [termok=no]) 103 LIBS=$SAVE_LIBS 104 if test $termok = no; then TERMLIBS=""; fi 105 fi 106fi 107 108# -- Try curses. 109if test "x$TERMLIBS" = x; then 110 if test $have_curses = yes; then 111 TERMLIBS="-lcurses" 112 SAVE_LIBS=$LIBS 113 LIBS="$LIBS $TERMLIBS" 114 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 115 [termok=yes], [termok=no]) 116 LIBS=$SAVE_LIBS 117 if test $termok = no; then TERMLIBS=""; fi 118 fi 119fi 120 121# -- Try curses & termcap. 122if test "x$TERMLIBS" = x; then 123 if test $have_curses = yes; then 124 if test $have_termcap = yes; then 125 TERMLIBS="-lcurses -ltermcap" 126 SAVE_LIBS=$LIBS 127 LIBS="$LIBS $TERMLIBS" 128 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 129 [termok=yes], [termok=no]) 130 LIBS=$SAVE_LIBS 131 if test $termok = no; then TERMLIBS=""; fi 132 fi 133 fi 134fi 135fi 136 137# -- Try termcap. 138if test "x$TERMLIBS" = x; then 139 if test $have_termcap = yes; then 140 TERMLIBS="-ltermcap" 141 SAVE_LIBS=$LIBS 142 LIBS="$LIBS $TERMLIBS" 143 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 144 [termok=yes], [termok=no]) 145 LIBS=$SAVE_LIBS 146 if test $termok = no; then TERMLIBS=""; fi 147 fi 148fi 149 150# -- Try termlib. 151if test "x$TERMLIBS" = x; then 152 if test $have_termlib = yes; then 153 TERMLIBS="-lcurses -ltermlib" 154 SAVE_LIBS=$LIBS 155 LIBS="$LIBS $TERMLIBS" 156 AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);], 157 [termok=yes], [termok=no]) 158 LIBS=$SAVE_LIBS 159 if test $termok = no; then TERMLIBS=""; fi 160 fi 161fi 162 163if test "x$TERMLIBS" = x; then 164 AC_MSG_RESULT(Cannot find terminal libraries - configure failed) 165 exit 1 166fi 167AC_MSG_RESULT(using $TERMLIBS) 168LIBS="$LIBS $TERMLIBS" 169 170# Checks for header files. 171AC_HEADER_STDC 172AC_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]) 173 174# Checks for typedefs, structures, and compiler characteristics. 175AC_HEADER_STAT 176AC_C_CONST 177AC_TYPE_OFF_T 178AC_TYPE_SIZE_T 179AC_HEADER_TIME 180 181# Autoheader templates for symbols defined later by AC_DEFINE. 182AH_TEMPLATE([HAVE_POSIX_REGCOMP], 183 [POSIX regcomp() and regex.h]) 184AH_TEMPLATE([HAVE_PCRE], 185 [PCRE (Perl-compatible regular expression) library]) 186AH_TEMPLATE([HAVE_RE_COMP], 187 [BSD re_comp()]) 188AH_TEMPLATE([HAVE_REGCMP], 189 [System V regcmp()]) 190AH_TEMPLATE([HAVE_V8_REGCOMP], 191 [Henry Spencer V8 regcomp() and regexp.h]) 192AH_TEMPLATE([NO_REGEX], 193 [pattern matching is supported, but without metacharacters.]) 194AH_TEMPLATE([HAVE_REGEXEC2], 195 []) 196AH_TEMPLATE([HAVE_VOID], 197 [Define HAVE_VOID if your compiler supports the "void" type.]) 198AH_TEMPLATE([HAVE_FLOAT], 199 [Define HAVE_FLOAT if your compiler supports the "double" type.]) 200AH_TEMPLATE([HAVE_CONST], 201 [Define HAVE_CONST if your compiler supports the "const" modifier.]) 202AH_TEMPLATE([HAVE_STAT_INO], 203 [Define HAVE_STAT_INO if your struct stat has st_ino and st_dev.]) 204AH_TEMPLATE([HAVE_TIME_T], 205 [Define HAVE_TIME_T if your system supports the "time_t" type.]) 206AH_TEMPLATE([HAVE_STRERROR], 207 [Define HAVE_STRERROR if you have the strerror() function.]) 208AH_TEMPLATE([HAVE_FILENO], 209 [Define HAVE_FILENO if you have the fileno() macro.]) 210AH_TEMPLATE([HAVE_ERRNO], 211 [Define HAVE_ERRNO if you have the errno variable.]) 212AH_TEMPLATE([MUST_DEFINE_ERRNO], 213 [Define MUST_DEFINE_ERRNO if you have errno but it is not define in errno.h.]) 214AH_TEMPLATE([HAVE_SYS_ERRLIST], 215 [Define HAVE_SYS_ERRLIST if you have the sys_errlist[] variable.]) 216AH_TEMPLATE([HAVE_OSPEED], 217 [Define HAVE_OSPEED if your termcap library has the ospeed variable.]) 218AH_TEMPLATE([MUST_DEFINE_OSPEED], 219 [Define MUST_DEFINE_OSPEED if you have ospeed but it is not defined in termcap.h.]) 220AH_TEMPLATE([HAVE_LOCALE], 221 [Define HAVE_LOCALE if you have locale.h and setlocale.]) 222AH_TEMPLATE([HAVE_TERMIOS_FUNCS], 223 [Define HAVE_TERMIOS_FUNCS if you have tcgetattr/tcsetattr.]) 224AH_TEMPLATE([HAVE_UPPER_LOWER], 225 [Define HAVE_UPPER_LOWER if you have isupper, islower, toupper, tolower.]) 226AH_TEMPLATE([HAVE_WCTYPE], 227 [Define HAVE_WCTYPE if you have iswupper, iswlower, towupper, towlower.]) 228AH_TEMPLATE([HAVE_SIGSET_T], 229 [Define HAVE_SIGSET_T you have the sigset_t type.]) 230AH_TEMPLATE([HAVE_SIGEMPTYSET], 231 [Define HAVE_SIGEMPTYSET if you have the sigemptyset macro.]) 232AH_TEMPLATE([EDIT_PGM], 233 [Define EDIT_PGM to your editor.]) 234AH_TEMPLATE([SECURE_COMPILE], 235 [Define SECURE_COMPILE=1 to build a secure version of less.]) 236 237# Checks for identifiers. 238AC_TYPE_OFF_T 239AC_MSG_CHECKING(for void) 240AC_TRY_COMPILE(, [void *foo = 0;], 241 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_VOID)], [AC_MSG_RESULT(no)]) 242AC_MSG_CHECKING(for const) 243AC_TRY_COMPILE(, [const int foo = 0;], 244 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_CONST)], [AC_MSG_RESULT(no)]) 245AC_MSG_CHECKING(for time_t) 246AC_TRY_COMPILE([#include <time.h>], [time_t t = 0;], 247 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_TIME_T)], [AC_MSG_RESULT(no)]) 248AC_MSG_CHECKING(for st_ino in struct stat) 249AC_TRY_COMPILE([#include <sys/types.h> 250#include <sys/stat.h>], 251 [struct stat s; dev_t dev = s.st_dev; ino_t ino = s.st_ino;], 252 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STAT_INO)], [AC_MSG_RESULT(no)]) 253 254# Checks for library functions. 255AC_TYPE_SIGNAL 256AC_CHECK_FUNCS([fsync popen _setjmp sigprocmask sigsetmask snprintf stat system fchmod]) 257 258# AC_CHECK_FUNCS may not work for inline functions, so test these separately. 259AC_MSG_CHECKING(for memcpy) 260AC_TRY_LINK([ 261#if HAVE_STRING_H 262#include <string.h> 263#endif], [memcpy(0,0,0);], 264 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_MEMCPY)], [AC_MSG_RESULT(no)]) 265 266AC_MSG_CHECKING(for strchr) 267AC_TRY_LINK([ 268#if HAVE_STRING_H 269#include <string.h> 270#endif], [strchr("x",'x');], 271 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STRCHR)], [AC_MSG_RESULT(no)]) 272 273AC_MSG_CHECKING(for strstr) 274AC_TRY_LINK([ 275#if HAVE_STRING_H 276#include <string.h> 277#endif], [strstr("x","x");], 278 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STRSTR)], [AC_MSG_RESULT(no)]) 279 280# Some systems have termios.h but not the corresponding functions. 281AC_CHECK_FUNC(tcgetattr, AC_DEFINE(HAVE_TERMIOS_FUNCS)) 282 283AC_MSG_CHECKING(for fileno) 284AC_TRY_LINK([ 285#if HAVE_STDIO_H 286#include <stdio.h> 287#endif], [static int x; x = fileno(stdin);], 288 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FILENO)], [AC_MSG_RESULT(no)]) 289 290AC_MSG_CHECKING(for strerror) 291AC_TRY_LINK([ 292#if HAVE_STDIO_H 293#include <stdio.h> 294#endif 295#if HAVE_STRING_H 296#include <string.h> 297#endif 298#if HAVE_ERRNO_H 299#include <errno.h> 300#endif], [static char *x; x = strerror(0);], 301 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STRERROR)], [AC_MSG_RESULT(no)]) 302 303AC_MSG_CHECKING(for sys_errlist) 304AC_TRY_LINK(, [extern char *sys_errlist[]; static char **x; x = sys_errlist;], 305 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SYS_ERRLIST)], [AC_MSG_RESULT(no)]) 306 307AC_CHECK_TYPES([sigset_t],,,[#include <signal.h>]) 308 309AC_MSG_CHECKING(for sigemptyset) 310AC_TRY_LINK([ 311#include <signal.h> 312], [sigset_t s; sigemptyset(&s);], 313 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_SIGEMPTYSET)], [AC_MSG_RESULT(no)]) 314 315have_errno=no 316AC_MSG_CHECKING(for errno) 317AC_TRY_LINK([ 318#if HAVE_ERRNO_H 319#include <errno.h> 320#endif], [static int x; x = errno;], 321 [AC_MSG_RESULT(yes - in errno.h); AC_DEFINE(HAVE_ERRNO) have_errno=yes]) 322if test $have_errno = no; then 323AC_TRY_LINK([ 324#if HAVE_ERRNO_H 325#include <errno.h> 326#endif], [extern int errno; static int x; x = errno;], 327 [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_ERRNO) AC_DEFINE(MUST_DEFINE_ERRNO)], 328 [AC_MSG_RESULT(no)]) 329fi 330 331AC_MSG_CHECKING(for locale) 332AC_TRY_LINK([#include <locale.h> 333#include <ctype.h> 334#include <langinfo.h>], [setlocale(LC_CTYPE,""); isprint(0); iscntrl(0);], 335 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_LOCALE)], [AC_MSG_RESULT(no)]) 336 337AC_MSG_CHECKING(for ctype functions) 338AC_TRY_LINK([ 339#if HAVE_CTYPE_H 340#include <ctype.h> 341#endif], [static int x; x = isupper(x); x = tolower(x); x = toupper(x);], 342 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_UPPER_LOWER)], [AC_MSG_RESULT(no)]) 343 344AC_MSG_CHECKING(for wctype functions) 345AC_TRY_LINK([#include <wctype.h>], [iswlower(0); iswupper(0); towlower(0); towupper(0);], 346 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WCTYPE)], [AC_MSG_RESULT(no)]) 347 348# Checks for external variable ospeed in the termcap library. 349have_ospeed=no 350AC_MSG_CHECKING(termcap for ospeed) 351AC_TRY_LINK([ 352#include <sys/types.h> 353#if HAVE_TERMIOS_H 354#include <termios.h> 355#endif 356#if HAVE_TERMCAP_H 357#include <termcap.h> 358#endif], [ospeed = 0;], 359[AC_MSG_RESULT(yes - in termcap.h); AC_DEFINE(HAVE_OSPEED) have_ospeed=yes]) 360if test $have_ospeed = no; then 361AC_TRY_LINK(, [extern short ospeed; ospeed = 0;], 362 [AC_MSG_RESULT(yes - must define); AC_DEFINE(HAVE_OSPEED) AC_DEFINE(MUST_DEFINE_OSPEED)], 363 [AC_MSG_RESULT(no)]) 364fi 365 366# Compile in secure mode? 367AC_ARG_WITH(secure, 368 [ --with-secure Compile in secure mode], 369 AC_DEFINE(SECURE_COMPILE, 1), AC_DEFINE(SECURE_COMPILE, 0)) 370 371# Should we use floating point? 372AC_MSG_CHECKING(for floating point) 373AC_ARG_WITH(no-float, 374 [ --with-no-float Do not use floating point], 375 WANT_NO_FLOAT=1, WANT_NO_FLOAT=0) 376if test $WANT_NO_FLOAT = 0; then 377 AC_TRY_LINK(, [double f1 = 12.5; double f2 = f1*f1/2.5;], 378 [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOAT)], [AC_MSG_RESULT(no)]) 379else 380 AC_MSG_RESULT(disabled by user) 381fi 382 383# Checks for regular expression functions. 384have_regex=no 385have_posix_regex=unknown 386AC_MSG_CHECKING(for regcomp) 387 388# Select a regular expression library. 389WANT_REGEX=auto 390AC_ARG_WITH(regex, 391 [ --with-regex={auto,pcre,posix,regcmp,re_comp,regcomp,regcomp-local} Select a regular expression library [auto]], 392 WANT_REGEX="$withval") 393 394if test $have_regex = no; then 395if test $WANT_REGEX = auto -o $WANT_REGEX = posix; then 396# Some versions of Solaris have a regcomp() function, but it doesn't work! 397# So we run a test program. If we're cross-compiling, do it the old way. 398AC_TRY_RUN([ 399#include <sys/types.h> 400#include <regex.h> 401main() { regex_t r; regmatch_t rm; char *text = "xabcy"; 402if (regcomp(&r, "abc", 0)) exit(1); 403if (regexec(&r, text, 1, &rm, 0)) exit(1); 404#ifndef __WATCOMC__ 405if (rm.rm_so != 1) exit(1); /* check for correct offset */ 406#else 407if (rm.rm_sp != text + 1) exit(1); /* check for correct offset */ 408#endif 409exit(0); }], 410 have_posix_regex=yes, have_posix_regex=no, have_posix_regex=unknown) 411if test $have_posix_regex = yes; then 412 AC_MSG_RESULT(using POSIX regcomp) 413 AC_DEFINE(HAVE_POSIX_REGCOMP) 414 have_regex=yes 415elif test $have_posix_regex = unknown; then 416 AC_TRY_LINK([ 417#include <sys/types.h> 418#include <regex.h>], 419 [regex_t *r; regfree(r);], 420 AC_MSG_RESULT(using POSIX regcomp) 421 AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes) 422else 423 AC_MSG_RESULT(no) 424fi 425fi 426fi 427 428if test $have_regex = no; then 429if test $WANT_REGEX = auto -o $WANT_REGEX = pcre; then 430AC_CHECK_LIB(pcre, pcre_compile, 431[AC_MSG_RESULT(using pcre); AC_DEFINE(HAVE_PCRE) LIBS="$LIBS -lpcre" have_regex=yes], []) 432fi 433fi 434 435if test $have_regex = no; then 436if test $WANT_REGEX = auto -o $WANT_REGEX = regcmp; then 437AC_CHECK_FUNC(regcmp, 438AC_MSG_RESULT(using regcmp); AC_DEFINE(HAVE_REGCMP) have_regex=yes) 439fi 440fi 441 442if test $have_regex = no; then 443if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp; then 444AC_TRY_LINK([ 445#include "regexp.h"], [regcomp("");], 446AC_MSG_RESULT(using V8 regcomp); AC_DEFINE(HAVE_V8_REGCOMP) have_regex=yes) 447fi 448fi 449 450if test $have_regex = no && test -f ${srcdir}/regexp.c; then 451if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp-local; then 452AC_MSG_RESULT(using V8 regcomp -- local source); AC_DEFINE(HAVE_V8_REGCOMP) AC_DEFINE(HAVE_REGEXEC2) REGEX_O='regexp.$(O)' AC_SUBST(REGEX_O) have_regex=yes 453fi 454fi 455 456if test $have_regex = no; then 457if test $WANT_REGEX = auto -o $WANT_REGEX = re_comp; then 458AC_MSG_RESULT(using re_comp); AC_CHECK_FUNC(re_comp, AC_DEFINE(HAVE_RE_COMP) have_regex=yes) 459fi 460fi 461 462if test $have_regex = no; then 463AC_MSG_RESULT(cannot find regular expression library); AC_DEFINE(NO_REGEX) 464fi 465 466AC_ARG_WITH(editor, 467 [ --with-editor=PROGRAM use PROGRAM as the default editor [vi]], 468 AC_DEFINE_UNQUOTED(EDIT_PGM, "$withval"), AC_DEFINE(EDIT_PGM, "vi")) 469 470AH_TOP([ 471/* Unix definition file for less. -*- C -*- 472 * 473 * This file has 3 sections: 474 * User preferences. 475 * Settings always true on Unix. 476 * Settings automatically determined by configure. 477 * 478 * * * * * * WARNING * * * * * * 479 * If you edit defines.h by hand, do "touch stamp-h" before you run make 480 * so config.status doesn't overwrite your changes. 481 */ 482 483/* User preferences. */ 484 485/* 486 * SECURE is 1 if you wish to disable a bunch of features in order to 487 * be safe to run by unprivileged users. 488 * SECURE_COMPILE is set by the --with-secure configure option. 489 */ 490#define SECURE SECURE_COMPILE 491 492/* 493 * SHELL_ESCAPE is 1 if you wish to allow shell escapes. 494 * (This is possible only if your system supplies the system() function.) 495 */ 496#define SHELL_ESCAPE (!SECURE) 497 498/* 499 * EXAMINE is 1 if you wish to allow examining files by name from within less. 500 */ 501#define EXAMINE (!SECURE) 502 503/* 504 * TAB_COMPLETE_FILENAME is 1 if you wish to allow the TAB key 505 * to complete filenames at prompts. 506 */ 507#define TAB_COMPLETE_FILENAME (!SECURE) 508 509/* 510 * CMD_HISTORY is 1 if you wish to allow keys to cycle through 511 * previous commands at prompts. 512 */ 513#define CMD_HISTORY 1 514 515/* 516 * HILITE_SEARCH is 1 if you wish to have search targets to be 517 * displayed in standout mode. 518 */ 519#define HILITE_SEARCH 1 520 521/* 522 * EDITOR is 1 if you wish to allow editor invocation (the "v" command). 523 * (This is possible only if your system supplies the system() function.) 524 * EDIT_PGM is the name of the (default) editor to be invoked. 525 */ 526#define EDITOR (!SECURE) 527 528/* 529 * TAGS is 1 if you wish to support tag files. 530 */ 531#define TAGS (!SECURE) 532 533/* 534 * USERFILE is 1 if you wish to allow a .less file to specify 535 * user-defined key bindings. 536 */ 537#define USERFILE (!SECURE) 538 539/* 540 * GLOB is 1 if you wish to have shell metacharacters expanded in filenames. 541 * This will generally work if your system provides the "popen" function 542 * and the "echo" shell command. 543 */ 544#define GLOB (!SECURE) 545 546/* 547 * PIPEC is 1 if you wish to have the "|" command 548 * which allows the user to pipe data into a shell command. 549 */ 550#define PIPEC (!SECURE) 551 552/* 553 * LOGFILE is 1 if you wish to allow the -l option (to create log files). 554 */ 555#define LOGFILE (!SECURE) 556 557/* 558 * GNU_OPTIONS is 1 if you wish to support the GNU-style command 559 * line options --help and --version. 560 */ 561#define GNU_OPTIONS 1 562 563/* 564 * ONLY_RETURN is 1 if you want RETURN to be the only input which 565 * will continue past an error message. 566 * Otherwise, any key will continue past an error message. 567 */ 568#define ONLY_RETURN 0 569 570/* 571 * LESSKEYFILE is the filename of the default lesskey output file 572 * (in the HOME directory). 573 * LESSKEYFILE_SYS is the filename of the system-wide lesskey output file. 574 * DEF_LESSKEYINFILE is the filename of the default lesskey input 575 * (in the HOME directory). 576 * LESSHISTFILE is the filename of the history file 577 * (in the HOME directory). 578 */ 579#define LESSKEYFILE ".less" 580#define LESSKEYFILE_SYS SYSDIR "/sysless" 581#define DEF_LESSKEYINFILE ".lesskey" 582#define LESSHISTFILE ".lesshst" 583 584 585/* Settings always true on Unix. */ 586 587/* 588 * Define MSDOS_COMPILER if compiling under Microsoft C. 589 */ 590#define MSDOS_COMPILER 0 591 592/* 593 * Pathname separator character. 594 */ 595#define PATHNAME_SEP "/" 596 597/* 598 * The value returned from tgetent on success. 599 * Some HP-UX systems return 0 on success. 600 */ 601#define TGETENT_OK 1 602 603/* 604 * HAVE_SYS_TYPES_H is 1 if your system has <sys/types.h>. 605 */ 606#define HAVE_SYS_TYPES_H 1 607 608/* 609 * Define if you have the <sgstat.h> header file. 610 */ 611#undef HAVE_SGSTAT_H 612 613/* 614 * HAVE_PERROR is 1 if your system has the perror() call. 615 * (Actually, if it has sys_errlist, sys_nerr and errno.) 616 */ 617#define HAVE_PERROR 1 618 619/* 620 * HAVE_TIME is 1 if your system has the time() call. 621 */ 622#define HAVE_TIME 1 623 624/* 625 * HAVE_SHELL is 1 if your system supports a SHELL command interpreter. 626 */ 627#define HAVE_SHELL 1 628 629/* 630 * Default shell metacharacters and meta-escape character. 631 */ 632#define DEF_METACHARS "; *?\t\n'\"()<>[]|&^`#\\$%=~" 633#define DEF_METAESCAPE "\\" 634 635/* 636 * HAVE_DUP is 1 if your system has the dup() call. 637 */ 638#define HAVE_DUP 1 639 640/* Define to 1 if you have the memcpy() function. */ 641#define HAVE_MEMCPY 1 642 643/* Define to 1 if you have the strchr() function. */ 644#define HAVE_STRCHR 1 645 646/* Define to 1 if you have the strstr() function. */ 647#define HAVE_STRSTR 1 648 649/* 650 * Sizes of various buffers. 651 */ 652#define CMDBUF_SIZE 512 /* Buffer for multichar commands */ 653#define UNGOT_SIZE 100 /* Max chars to unget() */ 654#define LINEBUF_SIZE 1024 /* Max size of line in input file */ 655#define OUTBUF_SIZE 1024 /* Output buffer */ 656#define PROMPT_SIZE 200 /* Max size of prompt string */ 657#define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */ 658#define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */ 659#define TAGLINE_SIZE 512 /* Max size of line in tags file */ 660#define TABSTOP_MAX 32 /* Max number of custom tab stops */ 661 662/* Settings automatically determined by configure. */ 663]) 664 665AC_CONFIG_FILES([Makefile]) 666AC_OUTPUT 667