1 dnl Autoconf macros for groff.
2 dnl Copyright (C) 1989-1995, 2001, 2002 Free Software Foundation, Inc.
4 dnl This file is part of groff.
6 dnl groff is free software; you can redistribute it and/or modify it under
7 dnl the terms of the GNU General Public License as published by the Free
8 dnl Software Foundation; either version 2, or (at your option) any later
11 dnl groff is distributed in the hope that it will be useful, but WITHOUT ANY
12 dnl WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 dnl You should have received a copy of the GNU General Public License along
17 dnl with groff; see the file COPYING. If not, write to the Free Software
18 dnl Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
22 [if test -z "$PSPRINT"; then
23 AC_CHECK_PROGS(LPR,lpr)
25 if test -n "$LPR" && test -n "$LP"; then
26 # HP-UX provides an lpr command that emulates lpr using lp,
27 # but it doesn't have lpq; in this case we want to use lp
29 AC_CHECK_PROGS(LPQ,lpq)
30 test -n "$LPQ" || LPR=
32 if test -n "$LPR"; then
34 elif test -n "$LP"; then
39 AC_MSG_CHECKING([for command to use for printing PostScript files])
40 AC_MSG_RESULT($PSPRINT)
41 # Figure out DVIPRINT from PSPRINT.
42 AC_MSG_CHECKING([for command to use for printing dvi files])
43 if test -n "$PSPRINT" && test -z "$DVIPRINT"; then
44 if test "X$PSPRINT" = "Xlpr"; then
51 AC_MSG_RESULT($DVIPRINT)])dnl
54 dnl Bison generated parsers have problems with C++ compilers other than g++.
55 dnl So byacc is preferred over bison.
57 AC_DEFUN(GROFF_PROG_YACC,
58 [AC_CHECK_PROGS(YACC, byacc 'bison -y', yacc)])dnl
61 dnl The following programs are needed for grohtml.
63 AC_DEFUN(GROFF_HTML_PROGRAMS,
65 make_install_html=install_html
67 AC_CHECK_PROG(pnmcut, pnmcut, found, missing)
68 if test $pnmcut = missing; then
69 missing="$missing pnmcut"
71 AC_CHECK_PROG(pnmcrop, pnmcrop, found, missing)
72 if test $pnmcrop = missing; then
73 missing="$missing pnmcrop"
75 AC_CHECK_PROG(pnmtopng, pnmtopng, found, missing)
76 if test $pnmtopng = missing; then
77 missing="$missing pnmtopng"
79 AC_CHECK_PROG(gs, gs gsos2, found, missing)
80 if test $gs = missing; then
83 AC_CHECK_PROG(psselect, psselect, found, missing)
84 if test $psselect = missing; then
85 missing="$missing psselect"
87 AC_CHECK_PROG(pnmtops, pnmtops, found, missing)
88 if test $pnmtops = missing; then
89 missing="$missing pnmtops"
91 if test -n "$missing"; then
104 progs="\`$prog1' and \`$prog2'" ;;
106 progs="\`$prog1', \`$prog2', and \`$prog3'" ;;
108 progs="\`$prog1', \`$prog2', \`$prog3', and \`$prog4'" ;;
110 progs="\`$prog1', \`$prog2', \`$prog3', \`$prog4', and \`$prog5'" ;;
112 progs="\`$prog1', \`$prog2', \`$prog3', \`$prog4', \`$prog5', and \`$prog6'" ;;
120 can't be found in the path, thus the HTML backend of groff (grohtml)
121 won't work properly. Consequently, no documentation in HTML format
122 is built and installed.
126 AC_SUBST(make_install_html)])dnl
128 dnl check to see whether pnmtops can handle the -nosetpage option
130 AC_DEFUN(GROFF_PNMTOPS_NOSETPAGE,
131 [AC_MSG_CHECKING([whether pnmtops can handle the -nosetpage option])
132 if echo P2 2 2 255 0 1 2 0 | pnmtops -nosetpage > /dev/null 2>&1 ; then
134 pnmtops_nosetpage="pnmtops -nosetpage"
137 pnmtops_nosetpage="pnmtops"
139 AC_SUBST(pnmtops_nosetpage)
143 dnl GROFF_CSH_HACK(if hack present, if not present)
145 AC_DEFUN(GROFF_CSH_HACK,
146 [AC_MSG_CHECKING([for csh hash hack])
147 cat <<EOF >conftest.sh
150 export PATH || exit 0
154 if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1; then
155 AC_MSG_RESULT(yes); $1
157 AC_MSG_RESULT(no); $2
159 rm -f conftest.sh])dnl
162 dnl From udodo!hans@relay.NL.net (Hans Zuidam)
164 AC_DEFUN(GROFF_ISC_SYSV3,
165 [AC_MSG_CHECKING([for ISC 3.x or 4.x])
167 if grep '[34]\.' /usr/options/cb.name >/dev/null 2>&1
172 [Define if you have ISC 3.x or 4.x.])
178 AC_DEFUN(GROFF_POSIX,
179 [AC_MSG_CHECKING([whether -D_POSIX_SOURCE is necessary])
181 AC_TRY_COMPILE([#include <stdio.h>
182 extern "C" { void fileno(int); }],,
183 AC_MSG_RESULT(yes);AC_DEFINE(_POSIX_SOURCE, 1,
184 [Define if -D_POSIX_SOURCE is necessary.]),
186 AC_LANG_POP(C++)])dnl
189 dnl srand() of SunOS 4.1.3 has return type int instead of void
191 AC_DEFUN(GROFF_SRAND,
193 AC_MSG_CHECKING([for return type of srand])
194 AC_TRY_COMPILE([#include <stdlib.h>
195 extern "C" { void srand(unsigned int); }],,
196 AC_MSG_RESULT(void);AC_DEFINE(RET_TYPE_SRAND_IS_VOID, 1,
197 [Define if srand() returns void not int.]),
199 AC_LANG_POP(C++)])dnl
202 AC_DEFUN(GROFF_SYS_NERR,
204 AC_MSG_CHECKING([for sys_nerr in <errno.h> or <stdio.h>])
205 AC_TRY_COMPILE([#include <errno.h>
207 [int k; k = sys_nerr;],
208 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_SYS_NERR, 1,
209 [Define if you have sysnerr in <errno.h> or
212 AC_LANG_POP(C++)])dnl
215 AC_DEFUN(GROFF_SYS_ERRLIST,
216 [AC_MSG_CHECKING([for sys_errlist[] in <errno.h> or <stdio.h>])
217 AC_TRY_COMPILE([#include <errno.h>
219 [int k; k = (int)sys_errlist[0];],
220 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_SYS_ERRLIST, 1,
221 [Define if you have sys_errlist in <errno.h>
223 AC_MSG_RESULT(no))])dnl
226 AC_DEFUN(GROFF_OSFCN_H,
228 AC_MSG_CHECKING([C++ <osfcn.h>])
229 AC_TRY_COMPILE([#include <osfcn.h>],
230 [read(0, 0, 0); open(0, 0);],
231 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_OSFCN_H, 1,
232 [Define if you have a C++ <osfcn.h>.]),
234 AC_LANG_POP(C++)])dnl
237 AC_DEFUN(GROFF_LIMITS_H,
239 AC_MSG_CHECKING([C++ <limits.h>])
240 AC_TRY_COMPILE([#include <limits.h>],
241 [int x = INT_MIN; int y = INT_MAX; int z = UCHAR_MAX;],
242 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_LIMITS_H, 1,
243 [Define if you have a C++ <limits.h>.]),
245 AC_LANG_POP(C++)])dnl
248 AC_DEFUN(GROFF_STDINT_H,
250 AC_MSG_CHECKING([C++ <stdint.h>])
251 AC_TRY_COMPILE([#include <stdint.h>],
252 [uint32_t x; int32_t y;],
253 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_STDINT_H, 1,
254 [Define if you have a C++ <stdint.h>.]),
256 AC_LANG_POP(C++)])dnl
259 AC_DEFUN(GROFF_TIME_T,
261 AC_MSG_CHECKING([for declaration of time_t])
262 AC_TRY_COMPILE([#include <time.h>],
263 [time_t t = time(0); struct tm *p = localtime(&t);],
265 AC_MSG_RESULT(no);AC_DEFINE(LONG_FOR_TIME_T, 1,
266 [Define if localtime() takes a long * not a
268 AC_LANG_POP(C++)])dnl
271 AC_DEFUN(GROFF_STRUCT_EXCEPTION,
272 [AC_MSG_CHECKING([struct exception])
273 AC_TRY_COMPILE([#include <math.h>],
274 [struct exception e;],
275 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_STRUCT_EXCEPTION, 1,
276 [Define if <math.h> defines struct exception.]),
277 AC_MSG_RESULT(no))])dnl
280 AC_DEFUN(GROFF_ARRAY_DELETE,
282 AC_MSG_CHECKING([whether ANSI array delete syntax supported])
283 AC_TRY_COMPILE(, [char *p = new char[5]; delete [] p;],
285 AC_MSG_RESULT(no);AC_DEFINE(ARRAY_DELETE_NEEDS_SIZE, 1,
286 [Define if your C++ doesn't understand
288 AC_LANG_POP(C++)])dnl
292 AC_DEFUN(GROFF_TRADITIONAL_CPP,
294 AC_MSG_CHECKING([traditional preprocessor])
295 AC_TRY_COMPILE([#define name2(a,b) a/**/b],[int name2(foo,bar);],
296 AC_MSG_RESULT(yes);AC_DEFINE(TRADITIONAL_CPP, 1,
297 [Define if your C++ compiler uses a
298 traditional (Reiser) preprocessor.]),
300 AC_LANG_POP(C++)])dnl
303 AC_DEFUN(GROFF_WCOREFLAG,
304 [AC_MSG_CHECKING([w_coredump])
305 AC_TRY_RUN([#include <sys/types.h>
306 #include <sys/wait.h>
313 ((union wait *)&i)->w_coredump = 1;
317 AC_MSG_RESULT(yes);AC_DEFINE(WCOREFLAG, 0200,
318 [Define if the 0200 bit of the status returned
319 by wait() indicates whether a core image was
320 produced for a process that was terminated by
323 AC_MSG_RESULT(no))])dnl
326 AC_DEFUN(GROFF_BROKEN_SPOOLER_FLAGS,
327 [AC_MSG_CHECKING([default value for grops -b option])
328 test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=7
329 AC_MSG_RESULT($BROKEN_SPOOLER_FLAGS)
330 AC_SUBST(BROKEN_SPOOLER_FLAGS)])dnl
334 [AC_MSG_CHECKING([default paper size])
336 test "x$prefix" = xNONE && groff_prefix=$ac_default_prefix
337 if test -z "$PAGE"; then
339 if test -r $groff_prefix/share/groff/font/devps/DESC; then
340 descfile=$groff_prefix/share/groff/font/devps/DESC
341 elif test -r $groff_prefix/lib/groff/font/devps/DESC; then
342 descfile=$groff_prefix/lib/groff/font/devps/DESC
344 for f in $groff_prefix/share/groff/*/font/devps/DESC; do
351 if test -n "$descfile"; then
353 if grep '^paperlength[ ]\+841890' $descfile
354 >/dev/null 2>&1; then
356 elif grep '^papersize[ ]\+[aA]4' $descfile \
357 >/dev/null 2>&1; then
363 if test -z "$PAGE"; then
364 dom=`awk '([$]1 == "dom" || [$]1 == "search") { print [$]2; exit}' \
365 /etc/resolv.conf 2>/dev/null`
366 if test -z "$dom"; then
367 dom=`(domainname) 2>/dev/null | tr -d '+'`
369 || test "$dom" = '(none)'; then
370 dom=`(hostname) 2>/dev/null | grep '\.'`
374 # If the top-level domain is two letters and it's not `us' or `ca'
375 # then they probably use A4 paper.
377 *.[Uu][Ss]|*.[Cc][Aa]) ;;
378 *.[A-Za-z][A-Za-z]) PAGE=A4 ;;
382 test -n "$PAGE" || PAGE=letter
383 if test "x$PAGE" = "xA4"; then
385 [Define if the printer's page size is A4.])
391 AC_DEFUN(GROFF_CXX_CHECK,
392 [AC_REQUIRE([AC_PROG_CXX])
394 if test "$cross_compiling" = no; then
395 AC_MSG_CHECKING([that C++ compiler can compile simple program])
397 AC_TRY_RUN([int main() { return 0; }],
399 AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]),
401 if test "$cross_compiling" = no; then
402 AC_MSG_CHECKING([that C++ static constructors and destructors are called])
412 ~A() { if (i == 1) _exit(0); }
415 int main() { return 1; }
418 AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]),
420 AC_MSG_CHECKING([that header files support C++])
421 AC_TRY_LINK([#include <stdio.h>],
424 AC_MSG_RESULT(no);AC_MSG_ERROR([header files do not support C++ (if you are using a version of gcc/g++ earlier than 2.5, you should install libg++)]))
425 AC_LANG_POP(C++)])dnl
429 [AC_MSG_CHECKING([for prefix of system macro packages])
431 sys_tmac_file_prefix=
432 for d in /usr/share/lib/tmac /usr/lib/tmac; do
433 for t in "" tmac.; do
436 if test -z "$sys_tmac_prefix" \
438 && grep '^\.if' $f >/dev/null 2>&1; then
439 sys_tmac_prefix=$d/$t
440 sys_tmac_file_prefix=$t
445 AC_MSG_RESULT($sys_tmac_prefix)
446 AC_SUBST(sys_tmac_prefix)
448 AC_MSG_CHECKING([which system macro packages should be made available])
449 if test "x$sys_tmac_file_prefix" = "xtmac."; then
450 for f in $sys_tmac_prefix*; do
451 suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
455 grep "Copyright.*Free Software Foundation" $f >/dev/null \
456 || tmac_wrap="$tmac_wrap $suff" ;;
459 elif test -n "$sys_tmac_prefix"; then
460 files=`echo $sys_tmac_prefix*`
461 grep "\\.so" $files >conftest.sol
464 ${sys_tmac_prefix}e) ;;
469 if grep "\\.so.*/$b\$" conftest.sol >/dev/null \
470 || grep -l "Copyright.*Free Software Foundation" $f >/dev/null; then
473 suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
476 *) tmac_wrap="$tmac_wrap $suff" ;;
483 AC_MSG_RESULT([$tmac_wrap])
484 AC_SUBST(tmac_wrap)])dnl
488 [AC_MSG_CHECKING([for existing troff installation])
489 if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
499 dnl We need the path to install-sh to be absolute.
501 AC_DEFUN(GROFF_INSTALL_SH,
502 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
503 ac_dir=`cd $ac_aux_dir; pwd`
504 ac_install_sh="$ac_dir/install-sh -c"])dnl
507 dnl Test whether install-info is available.
509 AC_DEFUN(GROFF_INSTALL_INFO,
510 [AC_CHECK_PROGS(INSTALL_INFO, install-info, :)])dnl
513 dnl At least one UNIX system, Apple Macintosh Rhapsody 5.5,
514 dnl does not have -lm.
517 [AC_CHECK_LIB(m,sin,LIBM=-lm)
521 dnl We need top_srcdir to be absolute.
523 AC_DEFUN(GROFF_SRCDIR,
524 [ac_srcdir_defaulted=no
525 srcdir=`cd $srcdir; pwd`])dnl
528 dnl This simplifies Makefile rules.
530 AC_DEFUN(GROFF_BUILDDIR,
531 [groff_top_builddir=`pwd`
532 AC_SUBST(groff_top_builddir)])dnl
535 dnl Check for EBCDIC - stolen from the OS390 Unix LYNX port
537 AC_DEFUN(GROFF_EBCDIC,
538 [AC_MSG_CHECKING([whether character set is EBCDIC])
540 [/* Treat any failure as ASCII for compatibility with existing art.
541 Use compile-time rather than run-time tests for cross-compiler
544 make an error "Character set is not EBCDIC"
546 groff_cv_ebcdic="yes"
547 TTYDEVDIRS="font/devcp1047"
549 AC_DEFINE(IS_EBCDIC_HOST, 1,
550 [Define if the host's encoding is EBCDIC.]),
552 TTYDEVDIRS="font/devascii font/devlatin1"
553 OTHERDEVDIRS="font/devlj4 font/devlbp"
556 AC_SUBST(OTHERDEVDIRS)])dnl
559 dnl Check for OS/390 Unix. We test for EBCDIC also -- the Linux port (with
560 dnl gcc) to OS/390 uses ASCII internally.
562 AC_DEFUN(GROFF_OS390,
563 [if test "$groff_cv_ebcdic" = "yes"; then
564 AC_MSG_CHECKING([for OS/390 Unix])
567 CFLAGS="$CFLAGS -D_ALL_SOURCE"
568 AC_MSG_RESULT(yes) ;;
575 dnl Check whether we need a declaration for a function.
577 dnl Stolen from GNU bfd.
579 AC_DEFUN(GROFF_NEED_DECLARATION,
580 [AC_MSG_CHECKING([whether $1 must be declared])
582 AC_CACHE_VAL(groff_cv_decl_needed_$1,
588 #ifdef HAVE_STRINGS_H
594 #ifdef HAVE_SYS_TIME_H
595 #include <sys/time.h>
604 char *p = (char *) $1;
606 groff_cv_decl_needed_$1=no,
607 groff_cv_decl_needed_$1=yes)])
608 AC_MSG_RESULT($groff_cv_decl_needed_$1)
609 if test $groff_cv_decl_needed_$1 = yes; then
610 AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
611 [Define if your C++ doesn't declare ]$1[().])
613 AC_LANG_POP(C++)])dnl
616 dnl If mkstemp() isn't available, use our own mkstemp.cpp file.
618 AC_DEFUN(GROFF_MKSTEMP,
619 [AC_MSG_CHECKING([for mkstemp])
621 AC_LIBSOURCE(mkstemp.cpp)
622 AC_TRY_LINK([#include <stdlib.h>
626 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_MKSTEMP, 1,
627 [Define if you have mkstemp().]),
628 AC_MSG_RESULT(no);_AC_LIBOBJ(mkstemp))
629 AC_LANG_POP(C++)])dnl
632 dnl Test whether <inttypes.h> exists, doesn't clash with <sys/types.h>,
633 dnl and declares uintmax_t. Taken from the fileutils package.
635 AC_DEFUN(GROFF_INTTYPES_H,
637 AC_MSG_CHECKING([for inttypes.h])
638 AC_TRY_COMPILE([#include <sys/types.h>
639 #include <inttypes.h>],
640 [uintmax_t i = (uintmax_t)-1;],
641 groff_cv_header_inttypes_h=yes,
642 groff_cv_header_inttypes_h=no)
643 AC_MSG_RESULT($groff_cv_header_inttypes_h)
644 AC_LANG_POP(C++)])dnl
647 dnl Test for working `unsigned long long'. Taken from the fileutils package.
649 AC_DEFUN(GROFF_UNSIGNED_LONG_LONG,
651 AC_MSG_CHECKING([for unsigned long long])
652 AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
653 [unsigned long long ullmax = (unsigned long long)-1;
654 return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
655 groff_cv_type_unsigned_long_long=yes,
656 groff_cv_type_unsigned_long_long=no)
657 AC_MSG_RESULT($groff_cv_type_unsigned_long_long)
658 AC_LANG_POP(C++)])dnl
661 dnl Define uintmax_t to `unsigned long' or `unsigned long long'
662 dnl if <inttypes.h> does not exist. Taken from the fileutils package.
664 AC_DEFUN(GROFF_UINTMAX_T,
665 [AC_REQUIRE([GROFF_INTTYPES_H])
666 if test $groff_cv_header_inttypes_h = no; then
667 AC_REQUIRE([GROFF_UNSIGNED_LONG_LONG])
668 test $groff_cv_type_unsigned_long_long = yes \
669 && ac_type='unsigned long long' \
670 || ac_type='unsigned long'
671 AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
672 [Define uintmax_t to `unsigned long' or
673 `unsigned long long' if <inttypes.h> does not