Annotation of src/usr.bin/less/configure.ac, Revision 1.1.1.3
1.1 millert 1: # Process this file with autoconf to produce a configure script.
2:
1.1.1.2 shadchin 3: # Copyright (C) 1984-2011 Mark Nudelman
1.1 millert 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.
12: AC_INIT(less, 1)
13: AC_CONFIG_SRCDIR([forwback.c])
14: AC_CONFIG_HEADER([defines.h])
15:
16: # Checks for programs.
17: AC_PROG_CC
18: AC_ISC_POSIX
19: AC_PROG_GCC_TRADITIONAL
20: AC_PROG_INSTALL
21:
22: # Checks for compilation model.
23: AC_SYS_LARGEFILE
24:
25: # Checks for general libraries.
1.1.1.2 shadchin 26: AC_CHECK_LIB(tinfo, tgoto, [have_tinfo=yes], [have_tinfo=no])
1.1 millert 27: AC_CHECK_LIB(xcurses, initscr, [have_xcurses=yes], [have_xcurses=no])
1.1.1.2 shadchin 28: AC_CHECK_LIB(ncursesw, initscr, [have_ncursesw=yes], [have_ncursesw=no])
1.1 millert 29: AC_CHECK_LIB(ncurses, initscr, [have_ncurses=yes], [have_ncurses=no])
30: AC_CHECK_LIB(curses, initscr, [have_curses=yes], [have_curses=no])
31: AC_CHECK_LIB(termcap, tgetent, [have_termcap=yes], [have_termcap=no])
32: AC_CHECK_LIB(termlib, tgetent, [have_termlib=yes], [have_termlib=no])
1.1.1.3 ! shadchin 33: # Regular expressions (regcmp) are in -lgen on Solaris 2, (but in libc
! 34: # at least on Solaris 10 (2.10)) and in -lintl on SCO Unix.
! 35: AC_SEARCH_LIBS([regcmp], [gen intl PW])
1.1 millert 36:
37: # Checks for terminal libraries
38: AC_MSG_CHECKING([for working terminal libraries])
39: TERMLIBS=
40:
41: # Check for systems where curses is broken.
42: curses_broken=0
43: if test x`uname -s` = "xHP-UX" >/dev/null 2>&1; then
44: if test x`uname -r` = "xB.11.00" >/dev/null 2>&1; then
45: curses_broken=1
46: fi
47: if test x`uname -r` = "xB.11.11" >/dev/null 2>&1; then
48: curses_broken=1
49: fi
50: fi
51:
52: if test $curses_broken = 0; then
1.1.1.2 shadchin 53:
54: # -- Try tinfo.
55: if test "x$TERMLIBS" = x; then
56: if test $have_tinfo = yes; then
57: TERMLIBS="-ltinfo"
58: SAVE_LIBS=$LIBS
59: LIBS="$LIBS $TERMLIBS"
60: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
61: [termok=yes], [termok=no])
62: LIBS=$SAVE_LIBS
63: if test $termok = no; then TERMLIBS=""; fi
64: fi
65: fi
66:
1.1 millert 67: # -- Try xcurses.
68: if test "x$TERMLIBS" = x; then
69: if test $have_xcurses = yes; then
70: TERMLIBS="-lxcurses"
71: SAVE_LIBS=$LIBS
72: LIBS="$LIBS $TERMLIBS"
73: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
74: [termok=yes], [termok=no])
75: LIBS=$SAVE_LIBS
76: if test $termok = no; then TERMLIBS=""; fi
77: fi
78: fi
79:
1.1.1.2 shadchin 80: # -- Try ncursesw.
81: if test "x$TERMLIBS" = x; then
82: if test $have_ncursesw = yes; then
83: TERMLIBS="-lncursesw"
84: SAVE_LIBS=$LIBS
85: LIBS="$LIBS $TERMLIBS"
86: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
87: [termok=yes], [termok=no])
88: LIBS=$SAVE_LIBS
89: if test $termok = no; then TERMLIBS=""; fi
90: fi
91: fi
92:
1.1 millert 93: # -- Try ncurses.
94: if test "x$TERMLIBS" = x; then
95: if test $have_ncurses = yes; then
96: TERMLIBS="-lncurses"
97: SAVE_LIBS=$LIBS
98: LIBS="$LIBS $TERMLIBS"
99: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
100: [termok=yes], [termok=no])
101: LIBS=$SAVE_LIBS
102: if test $termok = no; then TERMLIBS=""; fi
103: fi
104: fi
105:
106: # -- Try curses.
107: if test "x$TERMLIBS" = x; then
108: if test $have_curses = yes; then
109: TERMLIBS="-lcurses"
110: SAVE_LIBS=$LIBS
111: LIBS="$LIBS $TERMLIBS"
112: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
113: [termok=yes], [termok=no])
114: LIBS=$SAVE_LIBS
115: if test $termok = no; then TERMLIBS=""; fi
116: fi
117: fi
118:
119: # -- Try curses & termcap.
120: if test "x$TERMLIBS" = x; then
121: if test $have_curses = yes; then
122: if test $have_termcap = yes; then
123: TERMLIBS="-lcurses -ltermcap"
124: SAVE_LIBS=$LIBS
125: LIBS="$LIBS $TERMLIBS"
126: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
127: [termok=yes], [termok=no])
128: LIBS=$SAVE_LIBS
129: if test $termok = no; then TERMLIBS=""; fi
130: fi
131: fi
132: fi
133: fi
134:
135: # -- Try termcap.
136: if test "x$TERMLIBS" = x; then
137: if test $have_termcap = yes; then
138: TERMLIBS="-ltermcap"
139: SAVE_LIBS=$LIBS
140: LIBS="$LIBS $TERMLIBS"
141: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
142: [termok=yes], [termok=no])
143: LIBS=$SAVE_LIBS
144: if test $termok = no; then TERMLIBS=""; fi
145: fi
146: fi
147:
148: # -- Try termlib.
149: if test "x$TERMLIBS" = x; then
150: if test $have_termlib = yes; then
151: TERMLIBS="-lcurses -ltermlib"
152: SAVE_LIBS=$LIBS
153: LIBS="$LIBS $TERMLIBS"
154: AC_TRY_LINK(, [tgetent(0,0); tgetflag(0); tgetnum(0); tgetstr(0,0);],
155: [termok=yes], [termok=no])
156: LIBS=$SAVE_LIBS
157: if test $termok = no; then TERMLIBS=""; fi
158: fi
159: fi
160:
161: if test "x$TERMLIBS" = x; then
162: AC_MSG_RESULT(Cannot find terminal libraries - configure failed)
163: exit 1
164: fi
165: AC_MSG_RESULT(using $TERMLIBS)
166: LIBS="$LIBS $TERMLIBS"
167:
168: # Checks for header files.
169: AC_HEADER_STDC
1.1.1.2 shadchin 170: 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])
1.1 millert 171:
172: # Checks for typedefs, structures, and compiler characteristics.
173: AC_HEADER_STAT
174: AC_C_CONST
175: AC_TYPE_OFF_T
176: AC_TYPE_SIZE_T
177: AC_HEADER_TIME
178:
179: # Autoheader templates for symbols defined later by AC_DEFINE.
1.1.1.3 ! shadchin 180: AH_TEMPLATE([HAVE_GNU_REGEX],
! 181: [GNU regex library])
1.1 millert 182: AH_TEMPLATE([HAVE_POSIX_REGCOMP],
183: [POSIX regcomp() and regex.h])
184: AH_TEMPLATE([HAVE_PCRE],
185: [PCRE (Perl-compatible regular expression) library])
186: AH_TEMPLATE([HAVE_RE_COMP],
187: [BSD re_comp()])
188: AH_TEMPLATE([HAVE_REGCMP],
189: [System V regcmp()])
190: AH_TEMPLATE([HAVE_V8_REGCOMP],
191: [Henry Spencer V8 regcomp() and regexp.h])
192: AH_TEMPLATE([NO_REGEX],
193: [pattern matching is supported, but without metacharacters.])
194: AH_TEMPLATE([HAVE_REGEXEC2],
195: [])
196: AH_TEMPLATE([HAVE_VOID],
197: [Define HAVE_VOID if your compiler supports the "void" type.])
1.1.1.2 shadchin 198: AH_TEMPLATE([HAVE_FLOAT],
199: [Define HAVE_FLOAT if your compiler supports the "double" type.])
1.1 millert 200: AH_TEMPLATE([HAVE_CONST],
201: [Define HAVE_CONST if your compiler supports the "const" modifier.])
1.1.1.2 shadchin 202: AH_TEMPLATE([HAVE_STAT_INO],
203: [Define HAVE_STAT_INO if your struct stat has st_ino and st_dev.])
1.1 millert 204: AH_TEMPLATE([HAVE_TIME_T],
205: [Define HAVE_TIME_T if your system supports the "time_t" type.])
206: AH_TEMPLATE([HAVE_STRERROR],
207: [Define HAVE_STRERROR if you have the strerror() function.])
208: AH_TEMPLATE([HAVE_FILENO],
209: [Define HAVE_FILENO if you have the fileno() macro.])
210: AH_TEMPLATE([HAVE_ERRNO],
211: [Define HAVE_ERRNO if you have the errno variable.])
212: AH_TEMPLATE([MUST_DEFINE_ERRNO],
213: [Define MUST_DEFINE_ERRNO if you have errno but it is not define in errno.h.])
214: AH_TEMPLATE([HAVE_SYS_ERRLIST],
215: [Define HAVE_SYS_ERRLIST if you have the sys_errlist[] variable.])
216: AH_TEMPLATE([HAVE_OSPEED],
217: [Define HAVE_OSPEED if your termcap library has the ospeed variable.])
218: AH_TEMPLATE([MUST_DEFINE_OSPEED],
219: [Define MUST_DEFINE_OSPEED if you have ospeed but it is not defined in termcap.h.])
220: AH_TEMPLATE([HAVE_LOCALE],
221: [Define HAVE_LOCALE if you have locale.h and setlocale.])
222: AH_TEMPLATE([HAVE_TERMIOS_FUNCS],
223: [Define HAVE_TERMIOS_FUNCS if you have tcgetattr/tcsetattr.])
224: AH_TEMPLATE([HAVE_UPPER_LOWER],
225: [Define HAVE_UPPER_LOWER if you have isupper, islower, toupper, tolower.])
1.1.1.2 shadchin 226: AH_TEMPLATE([HAVE_WCTYPE],
227: [Define HAVE_WCTYPE if you have iswupper, iswlower, towupper, towlower.])
1.1 millert 228: AH_TEMPLATE([HAVE_SIGSET_T],
229: [Define HAVE_SIGSET_T you have the sigset_t type.])
230: AH_TEMPLATE([HAVE_SIGEMPTYSET],
231: [Define HAVE_SIGEMPTYSET if you have the sigemptyset macro.])
232: AH_TEMPLATE([EDIT_PGM],
233: [Define EDIT_PGM to your editor.])
1.1.1.2 shadchin 234: AH_TEMPLATE([SECURE_COMPILE],
235: [Define SECURE_COMPILE=1 to build a secure version of less.])
1.1 millert 236:
237: # Checks for identifiers.
238: AC_TYPE_OFF_T
239: AC_MSG_CHECKING(for void)
240: AC_TRY_COMPILE(, [void *foo = 0;],
241: [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_VOID)], [AC_MSG_RESULT(no)])
242: AC_MSG_CHECKING(for const)
243: AC_TRY_COMPILE(, [const int foo = 0;],
244: [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_CONST)], [AC_MSG_RESULT(no)])
245: AC_MSG_CHECKING(for time_t)
246: AC_TRY_COMPILE([#include <time.h>], [time_t t = 0;],
247: [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_TIME_T)], [AC_MSG_RESULT(no)])
1.1.1.2 shadchin 248: AC_MSG_CHECKING(for st_ino in struct stat)
249: AC_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)])
1.1 millert 253:
254: # Checks for library functions.
255: AC_TYPE_SIGNAL
1.1.1.2 shadchin 256: AC_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.
259: AC_MSG_CHECKING(for memcpy)
260: AC_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:
266: AC_MSG_CHECKING(for strchr)
267: AC_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:
273: AC_MSG_CHECKING(for strstr)
274: AC_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)])
1.1 millert 279:
280: # Some systems have termios.h but not the corresponding functions.
281: AC_CHECK_FUNC(tcgetattr, AC_DEFINE(HAVE_TERMIOS_FUNCS))
282:
283: AC_MSG_CHECKING(for fileno)
284: AC_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:
290: AC_MSG_CHECKING(for strerror)
291: AC_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:
303: AC_MSG_CHECKING(for sys_errlist)
304: AC_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:
1.1.1.2 shadchin 307: AC_CHECK_TYPES([sigset_t],,,[#include <signal.h>])
1.1 millert 308:
309: AC_MSG_CHECKING(for sigemptyset)
310: AC_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:
315: have_errno=no
316: AC_MSG_CHECKING(for errno)
317: AC_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])
322: if test $have_errno = no; then
323: AC_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)])
329: fi
330:
331: AC_MSG_CHECKING(for locale)
332: AC_TRY_LINK([#include <locale.h>
1.1.1.2 shadchin 333: #include <ctype.h>
334: #include <langinfo.h>], [setlocale(LC_CTYPE,""); isprint(0); iscntrl(0);],
1.1 millert 335: [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_LOCALE)], [AC_MSG_RESULT(no)])
1.1.1.2 shadchin 336:
1.1 millert 337: AC_MSG_CHECKING(for ctype functions)
338: AC_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:
1.1.1.2 shadchin 344: AC_MSG_CHECKING(for wctype functions)
345: AC_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:
1.1 millert 348: # Checks for external variable ospeed in the termcap library.
349: have_ospeed=no
350: AC_MSG_CHECKING(termcap for ospeed)
351: AC_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])
360: if test $have_ospeed = no; then
361: AC_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)])
364: fi
365:
1.1.1.2 shadchin 366: # Compile in secure mode?
367: AC_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?
372: AC_MSG_CHECKING(for floating point)
373: AC_ARG_WITH(no-float,
374: [ --with-no-float Do not use floating point],
375: WANT_NO_FLOAT=1, WANT_NO_FLOAT=0)
376: if test $WANT_NO_FLOAT = 0; then
377: AC_TRY_LINK(, [double f1 = 12.5; double f2 = f1*f1/2.5;],
378: [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_FLOAT)], [AC_MSG_RESULT(no)])
379: else
380: AC_MSG_RESULT(disabled by user)
381: fi
382:
1.1 millert 383: # Checks for regular expression functions.
384: have_regex=no
385: have_posix_regex=unknown
1.1.1.3 ! shadchin 386: supported_regex=""
1.1 millert 387:
1.1.1.2 shadchin 388: # Select a regular expression library.
1.1 millert 389: WANT_REGEX=auto
390: AC_ARG_WITH(regex,
1.1.1.3 ! shadchin 391: [ --with-regex={auto,gnu,pcre,posix,regcmp,re_comp,regcomp,regcomp-local,none} Select a regular expression library [auto]],
1.1 millert 392: WANT_REGEX="$withval")
393:
394: if test $have_regex = no; then
395: if 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.
1.1.1.3 ! shadchin 398: AC_MSG_CHECKING(for POSIX regcomp)
1.1 millert 399: AC_TRY_RUN([
400: #include <sys/types.h>
401: #include <regex.h>
402: main() { regex_t r; regmatch_t rm; char *text = "xabcy";
403: if (regcomp(&r, "abc", 0)) exit(1);
404: if (regexec(&r, text, 1, &rm, 0)) exit(1);
405: #ifndef __WATCOMC__
406: if (rm.rm_so != 1) exit(1); /* check for correct offset */
407: #else
408: if (rm.rm_sp != text + 1) exit(1); /* check for correct offset */
409: #endif
410: exit(0); }],
411: have_posix_regex=yes, have_posix_regex=no, have_posix_regex=unknown)
412: if test $have_posix_regex = yes; then
1.1.1.3 ! shadchin 413: AC_MSG_RESULT(yes)
! 414: AC_DEFINE(HAVE_POSIX_REGCOMP) supported_regex="$supported_regex posix"
1.1 millert 415: have_regex=yes
416: elif test $have_posix_regex = unknown; then
417: AC_TRY_LINK([
418: #include <sys/types.h>
419: #include <regex.h>],
420: [regex_t *r; regfree(r);],
1.1.1.3 ! shadchin 421: AC_MSG_RESULT(yes)
! 422: AC_DEFINE(HAVE_POSIX_REGCOMP) have_regex=yes; supported_regex="$supported_regex posix")
1.1 millert 423: else
424: AC_MSG_RESULT(no)
425: fi
426: fi
427: fi
428:
429: if test $have_regex = no; then
430: if test $WANT_REGEX = auto -o $WANT_REGEX = pcre; then
431: AC_CHECK_LIB(pcre, pcre_compile,
1.1.1.3 ! shadchin 432: [AC_DEFINE(HAVE_PCRE) LIBS="$LIBS -lpcre" have_regex=yes; supported_regex="$supported_regex pcre"], [])
! 433: fi
! 434: fi
! 435:
! 436: if test $have_regex = no; then
! 437: if test $WANT_REGEX = auto -o $WANT_REGEX = gnu; then
! 438: AC_CHECK_LIB(c, re_compile_pattern,
! 439: [AC_DEFINE(HAVE_GNU_REGEX) have_regex=yes; supported_regex="$supported_regex gnu"], [])
1.1 millert 440: fi
441: fi
442:
443: if test $have_regex = no; then
444: if test $WANT_REGEX = auto -o $WANT_REGEX = regcmp; then
445: AC_CHECK_FUNC(regcmp,
1.1.1.3 ! shadchin 446: [AC_DEFINE(HAVE_REGCMP) have_regex=yes; supported_regex="$supported_regex regcmp"],[])
1.1 millert 447: fi
448: fi
449:
450: if test $have_regex = no; then
451: if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp; then
1.1.1.3 ! shadchin 452: AC_MSG_CHECKING(for V8 regcomp)
1.1 millert 453: AC_TRY_LINK([
454: #include "regexp.h"], [regcomp("");],
1.1.1.3 ! shadchin 455: [AC_MSG_RESULT(yes); AC_DEFINE(HAVE_V8_REGCOMP) have_regex=yes; supported_regex="$supported_regex regcomp"],[AC_MSG_RESULT(no)])
1.1 millert 456: fi
457: fi
458:
459: if test $have_regex = no && test -f ${srcdir}/regexp.c; then
460: if test $WANT_REGEX = auto -o $WANT_REGEX = regcomp-local; then
1.1.1.3 ! shadchin 461: AC_MSG_RESULT(using V8 regcomp -- local source); AC_DEFINE(HAVE_V8_REGCOMP)
! 462: supported_regex="$supported_regex regcomp-local"
! 463: AC_DEFINE(HAVE_REGEXEC2) REGEX_O='regexp.$(O)' AC_SUBST(REGEX_O) have_regex=yes
1.1 millert 464: fi
465: fi
466:
467: if test $have_regex = no; then
468: if test $WANT_REGEX = auto -o $WANT_REGEX = re_comp; then
1.1.1.3 ! shadchin 469: AC_MSG_CHECKING(for re_comp)
! 470: AC_CHECK_FUNC(re_comp,
! 471: [AC_DEFINE(HAVE_RE_COMP) have_regex=yes; supported_regex="$supported_regex re_comp"],[])
1.1 millert 472: fi
473: fi
474:
475: if test $have_regex = no; then
1.1.1.3 ! shadchin 476: if test $WANT_REGEX = auto -o $WANT_REGEX = none; then
! 477: AC_MSG_RESULT(using no regex)
! 478: else
! 479: AC_MSG_WARN(cannot find regular expression library)
! 480: fi
! 481: AC_DEFINE(NO_REGEX) supported_regex="$supported_regex none"
1.1 millert 482: fi
483:
1.1.1.3 ! shadchin 484: AC_MSG_RESULT(regular expression library: $supported_regex)
! 485:
1.1 millert 486: AC_ARG_WITH(editor,
487: [ --with-editor=PROGRAM use PROGRAM as the default editor [vi]],
488: AC_DEFINE_UNQUOTED(EDIT_PGM, "$withval"), AC_DEFINE(EDIT_PGM, "vi"))
489:
490: AH_TOP([
491: /* Unix definition file for less. -*- C -*-
492: *
493: * This file has 3 sections:
494: * User preferences.
495: * Settings always true on Unix.
496: * Settings automatically determined by configure.
497: *
498: * * * * * * WARNING * * * * * *
499: * If you edit defines.h by hand, do "touch stamp-h" before you run make
500: * so config.status doesn't overwrite your changes.
501: */
502:
503: /* User preferences. */
504:
505: /*
506: * SECURE is 1 if you wish to disable a bunch of features in order to
507: * be safe to run by unprivileged users.
1.1.1.2 shadchin 508: * SECURE_COMPILE is set by the --with-secure configure option.
1.1 millert 509: */
1.1.1.2 shadchin 510: #define SECURE SECURE_COMPILE
1.1 millert 511:
512: /*
513: * SHELL_ESCAPE is 1 if you wish to allow shell escapes.
514: * (This is possible only if your system supplies the system() function.)
515: */
516: #define SHELL_ESCAPE (!SECURE)
517:
518: /*
519: * EXAMINE is 1 if you wish to allow examining files by name from within less.
520: */
521: #define EXAMINE (!SECURE)
522:
523: /*
524: * TAB_COMPLETE_FILENAME is 1 if you wish to allow the TAB key
525: * to complete filenames at prompts.
526: */
527: #define TAB_COMPLETE_FILENAME (!SECURE)
528:
529: /*
530: * CMD_HISTORY is 1 if you wish to allow keys to cycle through
531: * previous commands at prompts.
532: */
533: #define CMD_HISTORY 1
534:
535: /*
536: * HILITE_SEARCH is 1 if you wish to have search targets to be
537: * displayed in standout mode.
538: */
539: #define HILITE_SEARCH 1
540:
541: /*
542: * EDITOR is 1 if you wish to allow editor invocation (the "v" command).
543: * (This is possible only if your system supplies the system() function.)
544: * EDIT_PGM is the name of the (default) editor to be invoked.
545: */
546: #define EDITOR (!SECURE)
547:
548: /*
549: * TAGS is 1 if you wish to support tag files.
550: */
551: #define TAGS (!SECURE)
552:
553: /*
554: * USERFILE is 1 if you wish to allow a .less file to specify
555: * user-defined key bindings.
556: */
557: #define USERFILE (!SECURE)
558:
559: /*
560: * GLOB is 1 if you wish to have shell metacharacters expanded in filenames.
561: * This will generally work if your system provides the "popen" function
562: * and the "echo" shell command.
563: */
564: #define GLOB (!SECURE)
565:
566: /*
567: * PIPEC is 1 if you wish to have the "|" command
568: * which allows the user to pipe data into a shell command.
569: */
570: #define PIPEC (!SECURE)
571:
572: /*
573: * LOGFILE is 1 if you wish to allow the -l option (to create log files).
574: */
575: #define LOGFILE (!SECURE)
576:
577: /*
578: * GNU_OPTIONS is 1 if you wish to support the GNU-style command
579: * line options --help and --version.
580: */
581: #define GNU_OPTIONS 1
582:
583: /*
584: * ONLY_RETURN is 1 if you want RETURN to be the only input which
585: * will continue past an error message.
586: * Otherwise, any key will continue past an error message.
587: */
588: #define ONLY_RETURN 0
589:
590: /*
591: * LESSKEYFILE is the filename of the default lesskey output file
592: * (in the HOME directory).
593: * LESSKEYFILE_SYS is the filename of the system-wide lesskey output file.
594: * DEF_LESSKEYINFILE is the filename of the default lesskey input
595: * (in the HOME directory).
1.1.1.2 shadchin 596: * LESSHISTFILE is the filename of the history file
597: * (in the HOME directory).
1.1 millert 598: */
599: #define LESSKEYFILE ".less"
600: #define LESSKEYFILE_SYS SYSDIR "/sysless"
601: #define DEF_LESSKEYINFILE ".lesskey"
1.1.1.2 shadchin 602: #define LESSHISTFILE ".lesshst"
1.1 millert 603:
604:
605: /* Settings always true on Unix. */
606:
607: /*
608: * Define MSDOS_COMPILER if compiling under Microsoft C.
609: */
610: #define MSDOS_COMPILER 0
611:
612: /*
613: * Pathname separator character.
614: */
615: #define PATHNAME_SEP "/"
616:
617: /*
1.1.1.2 shadchin 618: * The value returned from tgetent on success.
619: * Some HP-UX systems return 0 on success.
620: */
621: #define TGETENT_OK 1
622:
623: /*
1.1 millert 624: * HAVE_SYS_TYPES_H is 1 if your system has <sys/types.h>.
625: */
626: #define HAVE_SYS_TYPES_H 1
627:
628: /*
629: * Define if you have the <sgstat.h> header file.
630: */
631: #undef HAVE_SGSTAT_H
632:
633: /*
634: * HAVE_PERROR is 1 if your system has the perror() call.
635: * (Actually, if it has sys_errlist, sys_nerr and errno.)
636: */
637: #define HAVE_PERROR 1
638:
639: /*
640: * HAVE_TIME is 1 if your system has the time() call.
641: */
642: #define HAVE_TIME 1
643:
644: /*
645: * HAVE_SHELL is 1 if your system supports a SHELL command interpreter.
646: */
647: #define HAVE_SHELL 1
648:
649: /*
650: * Default shell metacharacters and meta-escape character.
651: */
1.1.1.2 shadchin 652: #define DEF_METACHARS "; *?\t\n'\"()<>[]|&^`#\\$%=~"
1.1 millert 653: #define DEF_METAESCAPE "\\"
654:
655: /*
656: * HAVE_DUP is 1 if your system has the dup() call.
657: */
658: #define HAVE_DUP 1
1.1.1.2 shadchin 659:
660: /* Define to 1 if you have the memcpy() function. */
661: #define HAVE_MEMCPY 1
662:
663: /* Define to 1 if you have the strchr() function. */
664: #define HAVE_STRCHR 1
665:
666: /* Define to 1 if you have the strstr() function. */
667: #define HAVE_STRSTR 1
1.1 millert 668:
669: /*
670: * Sizes of various buffers.
671: */
1.1.1.3 ! shadchin 672: #if 0 /* old sizes for small memory machines */
1.1 millert 673: #define CMDBUF_SIZE 512 /* Buffer for multichar commands */
674: #define UNGOT_SIZE 100 /* Max chars to unget() */
675: #define LINEBUF_SIZE 1024 /* Max size of line in input file */
676: #define OUTBUF_SIZE 1024 /* Output buffer */
677: #define PROMPT_SIZE 200 /* Max size of prompt string */
678: #define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */
679: #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */
680: #define TAGLINE_SIZE 512 /* Max size of line in tags file */
681: #define TABSTOP_MAX 32 /* Max number of custom tab stops */
1.1.1.3 ! shadchin 682: #else /* more reasonable sizes for modern machines */
! 683: #define CMDBUF_SIZE 2048 /* Buffer for multichar commands */
! 684: #define UNGOT_SIZE 200 /* Max chars to unget() */
! 685: #define LINEBUF_SIZE 1024 /* Initial max size of line in input file */
! 686: #define OUTBUF_SIZE 1024 /* Output buffer */
! 687: #define PROMPT_SIZE 2048 /* Max size of prompt string */
! 688: #define TERMBUF_SIZE 2048 /* Termcap buffer for tgetent */
! 689: #define TERMSBUF_SIZE 1024 /* Buffer to hold termcap strings */
! 690: #define TAGLINE_SIZE 1024 /* Max size of line in tags file */
! 691: #define TABSTOP_MAX 128 /* Max number of custom tab stops */
! 692: #endif
1.1 millert 693:
694: /* Settings automatically determined by configure. */
695: ])
696:
697: AC_CONFIG_FILES([Makefile])
698: AC_OUTPUT
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