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>, <stdio.h>, or <stdlib.h>])
217 AC_TRY_COMPILE([#include <errno.h>
219 #include <stdlib.h>],
220 [int k; k = (int)sys_errlist[0];],
221 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_SYS_ERRLIST, 1,
222 [Define if you have sys_errlist in <errno.h>,
223 <stdio.h>, or <stdlib.h>.]),
224 AC_MSG_RESULT(no))])dnl
227 AC_DEFUN(GROFF_OSFCN_H,
229 AC_MSG_CHECKING([C++ <osfcn.h>])
230 AC_TRY_COMPILE([#include <osfcn.h>],
231 [read(0, 0, 0); open(0, 0);],
232 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_OSFCN_H, 1,
233 [Define if you have a C++ <osfcn.h>.]),
235 AC_LANG_POP(C++)])dnl
238 AC_DEFUN(GROFF_LIMITS_H,
240 AC_MSG_CHECKING([C++ <limits.h>])
241 AC_TRY_COMPILE([#include <limits.h>],
242 [int x = INT_MIN; int y = INT_MAX; int z = UCHAR_MAX;],
243 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_LIMITS_H, 1,
244 [Define if you have a C++ <limits.h>.]),
246 AC_LANG_POP(C++)])dnl
249 AC_DEFUN(GROFF_STDINT_H,
251 AC_MSG_CHECKING([C++ <stdint.h>])
252 AC_TRY_COMPILE([#include <stdint.h>],
253 [uint32_t x; int32_t y;],
254 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_STDINT_H, 1,
255 [Define if you have a C++ <stdint.h>.]),
257 AC_LANG_POP(C++)])dnl
260 AC_DEFUN(GROFF_TIME_T,
262 AC_MSG_CHECKING([for declaration of time_t])
263 AC_TRY_COMPILE([#include <time.h>],
264 [time_t t = time(0); struct tm *p = localtime(&t);],
266 AC_MSG_RESULT(no);AC_DEFINE(LONG_FOR_TIME_T, 1,
267 [Define if localtime() takes a long * not a
269 AC_LANG_POP(C++)])dnl
272 AC_DEFUN(GROFF_STRUCT_EXCEPTION,
273 [AC_MSG_CHECKING([struct exception])
274 AC_TRY_COMPILE([#include <math.h>],
275 [struct exception e;],
276 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_STRUCT_EXCEPTION, 1,
277 [Define if <math.h> defines struct exception.]),
278 AC_MSG_RESULT(no))])dnl
281 AC_DEFUN(GROFF_ARRAY_DELETE,
283 AC_MSG_CHECKING([whether ANSI array delete syntax supported])
284 AC_TRY_COMPILE(, [char *p = new char[5]; delete [] p;],
286 AC_MSG_RESULT(no);AC_DEFINE(ARRAY_DELETE_NEEDS_SIZE, 1,
287 [Define if your C++ doesn't understand
289 AC_LANG_POP(C++)])dnl
293 AC_DEFUN(GROFF_TRADITIONAL_CPP,
295 AC_MSG_CHECKING([traditional preprocessor])
296 AC_TRY_COMPILE([#define name2(a,b) a/**/b],[int name2(foo,bar);],
297 AC_MSG_RESULT(yes);AC_DEFINE(TRADITIONAL_CPP, 1,
298 [Define if your C++ compiler uses a
299 traditional (Reiser) preprocessor.]),
301 AC_LANG_POP(C++)])dnl
304 AC_DEFUN(GROFF_WCOREFLAG,
305 [AC_MSG_CHECKING([w_coredump])
306 AC_TRY_RUN([#include <sys/types.h>
307 #include <sys/wait.h>
314 ((union wait *)&i)->w_coredump = 1;
318 AC_MSG_RESULT(yes);AC_DEFINE(WCOREFLAG, 0200,
319 [Define if the 0200 bit of the status returned
320 by wait() indicates whether a core image was
321 produced for a process that was terminated by
324 AC_MSG_RESULT(no))])dnl
327 AC_DEFUN(GROFF_BROKEN_SPOOLER_FLAGS,
328 [AC_MSG_CHECKING([default value for grops -b option])
329 test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=7
330 AC_MSG_RESULT($BROKEN_SPOOLER_FLAGS)
331 AC_SUBST(BROKEN_SPOOLER_FLAGS)])dnl
335 [AC_MSG_CHECKING([default paper size])
337 test "x$prefix" = xNONE && groff_prefix=$ac_default_prefix
338 if test -z "$PAGE"; then
340 if test -r $groff_prefix/share/groff/font/devps/DESC; then
341 descfile=$groff_prefix/share/groff/font/devps/DESC
342 elif test -r $groff_prefix/lib/groff/font/devps/DESC; then
343 descfile=$groff_prefix/lib/groff/font/devps/DESC
345 for f in $groff_prefix/share/groff/*/font/devps/DESC; do
352 if test -n "$descfile"; then
354 if grep '^paperlength[ ]\+841890' $descfile
355 >/dev/null 2>&1; then
357 elif grep '^papersize[ ]\+[aA]4' $descfile \
358 >/dev/null 2>&1; then
364 if test -z "$PAGE"; then
365 dom=`awk '([$]1 == "dom" || [$]1 == "search") { print [$]2; exit}' \
366 /etc/resolv.conf 2>/dev/null`
367 if test -z "$dom"; then
368 dom=`(domainname) 2>/dev/null | tr -d '+'`
370 || test "$dom" = '(none)'; then
371 dom=`(hostname) 2>/dev/null | grep '\.'`
375 # If the top-level domain is two letters and it's not `us' or `ca'
376 # then they probably use A4 paper.
378 *.[Uu][Ss]|*.[Cc][Aa]) ;;
379 *.[A-Za-z][A-Za-z]) PAGE=A4 ;;
383 test -n "$PAGE" || PAGE=letter
384 if test "x$PAGE" = "xA4"; then
386 [Define if the printer's page size is A4.])
392 AC_DEFUN(GROFF_CXX_CHECK,
393 [AC_REQUIRE([AC_PROG_CXX])
395 if test "$cross_compiling" = no; then
396 AC_MSG_CHECKING([that C++ compiler can compile simple program])
398 AC_TRY_RUN([int main() { return 0; }],
400 AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]),
402 if test "$cross_compiling" = no; then
403 AC_MSG_CHECKING([that C++ static constructors and destructors are called])
413 ~A() { if (i == 1) _exit(0); }
416 int main() { return 1; }
419 AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]),
421 AC_MSG_CHECKING([that header files support C++])
422 AC_TRY_LINK([#include <stdio.h>],
425 AC_MSG_RESULT(no);AC_MSG_ERROR([header files do not support C++ (if you are using a version of gcc/g++ earlier than 2.5, you should install libg++)]))
426 AC_LANG_POP(C++)])dnl
430 [AC_MSG_CHECKING([for prefix of system macro packages])
432 sys_tmac_file_prefix=
433 for d in /usr/share/lib/tmac /usr/lib/tmac; do
434 for t in "" tmac.; do
437 if test -z "$sys_tmac_prefix" \
439 && grep '^\.if' $f >/dev/null 2>&1; then
440 sys_tmac_prefix=$d/$t
441 sys_tmac_file_prefix=$t
446 AC_MSG_RESULT($sys_tmac_prefix)
447 AC_SUBST(sys_tmac_prefix)
449 AC_MSG_CHECKING([which system macro packages should be made available])
450 if test "x$sys_tmac_file_prefix" = "xtmac."; then
451 for f in $sys_tmac_prefix*; do
452 suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
456 grep "Copyright.*Free Software Foundation" $f >/dev/null \
457 || tmac_wrap="$tmac_wrap $suff" ;;
460 elif test -n "$sys_tmac_prefix"; then
461 files=`echo $sys_tmac_prefix*`
462 grep "\\.so" $files >conftest.sol
465 ${sys_tmac_prefix}e) ;;
470 if grep "\\.so.*/$b\$" conftest.sol >/dev/null \
471 || grep -l "Copyright.*Free Software Foundation" $f >/dev/null; then
474 suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
477 *) tmac_wrap="$tmac_wrap $suff" ;;
484 AC_MSG_RESULT([$tmac_wrap])
485 AC_SUBST(tmac_wrap)])dnl
489 [AC_MSG_CHECKING([for existing troff installation])
490 if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
500 dnl We need the path to install-sh to be absolute.
502 AC_DEFUN(GROFF_INSTALL_SH,
503 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
504 ac_dir=`cd $ac_aux_dir; pwd`
505 ac_install_sh="$ac_dir/install-sh -c"])dnl
508 dnl Test whether install-info is available.
510 AC_DEFUN(GROFF_INSTALL_INFO,
511 [AC_CHECK_PROGS(INSTALL_INFO, install-info, :)])dnl
514 dnl At least one UNIX system, Apple Macintosh Rhapsody 5.5,
515 dnl does not have -lm.
518 [AC_CHECK_LIB(m,sin,LIBM=-lm)
522 dnl We need top_srcdir to be absolute.
524 AC_DEFUN(GROFF_SRCDIR,
525 [ac_srcdir_defaulted=no
526 srcdir=`cd $srcdir; pwd`])dnl
529 dnl This simplifies Makefile rules.
531 AC_DEFUN(GROFF_BUILDDIR,
532 [groff_top_builddir=`pwd`
533 AC_SUBST(groff_top_builddir)])dnl
536 dnl Check for EBCDIC - stolen from the OS390 Unix LYNX port
538 AC_DEFUN(GROFF_EBCDIC,
539 [AC_MSG_CHECKING([whether character set is EBCDIC])
541 [/* Treat any failure as ASCII for compatibility with existing art.
542 Use compile-time rather than run-time tests for cross-compiler
545 make an error "Character set is not EBCDIC"
547 groff_cv_ebcdic="yes"
548 TTYDEVDIRS="font/devcp1047"
550 AC_DEFINE(IS_EBCDIC_HOST, 1,
551 [Define if the host's encoding is EBCDIC.]),
553 TTYDEVDIRS="font/devascii font/devlatin1"
554 OTHERDEVDIRS="font/devlj4 font/devlbp"
557 AC_SUBST(OTHERDEVDIRS)])dnl
560 dnl Check for OS/390 Unix. We test for EBCDIC also -- the Linux port (with
561 dnl gcc) to OS/390 uses ASCII internally.
563 AC_DEFUN(GROFF_OS390,
564 [if test "$groff_cv_ebcdic" = "yes"; then
565 AC_MSG_CHECKING([for OS/390 Unix])
568 CFLAGS="$CFLAGS -D_ALL_SOURCE"
569 AC_MSG_RESULT(yes) ;;
576 dnl Check whether we need a declaration for a function.
578 dnl Stolen from GNU bfd.
580 AC_DEFUN(GROFF_NEED_DECLARATION,
581 [AC_MSG_CHECKING([whether $1 must be declared])
583 AC_CACHE_VAL(groff_cv_decl_needed_$1,
589 #ifdef HAVE_STRINGS_H
595 #ifdef HAVE_SYS_TIME_H
596 #include <sys/time.h>
605 char *p = (char *) $1;
607 groff_cv_decl_needed_$1=no,
608 groff_cv_decl_needed_$1=yes)])
609 AC_MSG_RESULT($groff_cv_decl_needed_$1)
610 if test $groff_cv_decl_needed_$1 = yes; then
611 AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
612 [Define if your C++ doesn't declare ]$1[().])
614 AC_LANG_POP(C++)])dnl
617 dnl If mkstemp() isn't available, use our own mkstemp.cpp file.
619 AC_DEFUN(GROFF_MKSTEMP,
620 [AC_MSG_CHECKING([for mkstemp])
622 AC_LIBSOURCE(mkstemp.cpp)
623 AC_TRY_LINK([#include <stdlib.h>
627 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_MKSTEMP, 1,
628 [Define if you have mkstemp().]),
629 AC_MSG_RESULT(no);_AC_LIBOBJ(mkstemp))
630 AC_LANG_POP(C++)])dnl
633 dnl Test whether <inttypes.h> exists, doesn't clash with <sys/types.h>,
634 dnl and declares uintmax_t. Taken from the fileutils package.
636 AC_DEFUN(GROFF_INTTYPES_H,
638 AC_MSG_CHECKING([for inttypes.h])
639 AC_TRY_COMPILE([#include <sys/types.h>
640 #include <inttypes.h>],
641 [uintmax_t i = (uintmax_t)-1;],
642 groff_cv_header_inttypes_h=yes,
643 groff_cv_header_inttypes_h=no)
644 AC_MSG_RESULT($groff_cv_header_inttypes_h)
645 AC_LANG_POP(C++)])dnl
648 dnl Test for working `unsigned long long'. Taken from the fileutils package.
650 AC_DEFUN(GROFF_UNSIGNED_LONG_LONG,
652 AC_MSG_CHECKING([for unsigned long long])
653 AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
654 [unsigned long long ullmax = (unsigned long long)-1;
655 return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
656 groff_cv_type_unsigned_long_long=yes,
657 groff_cv_type_unsigned_long_long=no)
658 AC_MSG_RESULT($groff_cv_type_unsigned_long_long)
659 AC_LANG_POP(C++)])dnl
662 dnl Define uintmax_t to `unsigned long' or `unsigned long long'
663 dnl if <inttypes.h> does not exist. Taken from the fileutils package.
665 AC_DEFUN(GROFF_UINTMAX_T,
666 [AC_REQUIRE([GROFF_INTTYPES_H])
667 if test $groff_cv_header_inttypes_h = no; then
668 AC_REQUIRE([GROFF_UNSIGNED_LONG_LONG])
669 test $groff_cv_type_unsigned_long_long = yes \
670 && ac_type='unsigned long long' \
671 || ac_type='unsigned long'
672 AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
673 [Define uintmax_t to `unsigned long' or
674 `unsigned long long' if <inttypes.h> does not