1 dnl Autoconf macros for groff.
2 dnl Copyright (C) 1989-1995, 2001 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 GROFF_CSH_HACK(if hack present, if not present)
63 AC_DEFUN(GROFF_CSH_HACK,
64 [AC_MSG_CHECKING([for csh hash hack])
65 cat <<EOF >conftest.sh
72 if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1; then
73 AC_MSG_RESULT(yes); $1
77 rm -f conftest.sh])dnl
80 dnl From udodo!hans@relay.NL.net (Hans Zuidam)
82 AC_DEFUN(GROFF_ISC_SYSV3,
83 [AC_MSG_CHECKING([for ISC 3.x or 4.x])
85 if grep '[34]\.' /usr/options/cb.name >/dev/null 2>&1
90 [Define if you have ISC 3.x or 4.x.])
97 [AC_MSG_CHECKING([whether -D_POSIX_SOURCE is necessary])
99 AC_TRY_COMPILE([#include <stdio.h>
100 extern "C" { void fileno(int); }],,
101 AC_MSG_RESULT(yes);AC_DEFINE(_POSIX_SOURCE, 1,
102 [Define if -D_POSIX_SOURCE is necessary.]),
104 AC_LANG_POP(C++)])dnl
107 dnl srand() of SunOS 4.1.3 has return type int instead of void
109 AC_DEFUN(GROFF_SRAND,
111 AC_MSG_CHECKING([for return type of srand])
112 AC_TRY_COMPILE([#include <stdlib.h>
113 extern "C" { void srand(unsigned int); }],,
114 AC_MSG_RESULT(void);AC_DEFINE(RET_TYPE_SRAND_IS_VOID, 1,
115 [Define if srand() returns void not int.]),
117 AC_LANG_POP(C++)])dnl
120 AC_DEFUN(GROFF_SYS_NERR,
122 AC_MSG_CHECKING([for sys_nerr in <errno.h> or <stdio.h>])
123 AC_TRY_COMPILE([#include <errno.h>
125 [int k; k = sys_nerr;],
126 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_SYS_NERR, 1,
127 [Define if you have sysnerr in <errno.h> or
130 AC_LANG_POP(C++)])dnl
133 AC_DEFUN(GROFF_SYS_ERRLIST,
134 [AC_MSG_CHECKING([for sys_errlist[] in <errno.h> or <stdio.h>])
135 AC_TRY_COMPILE([#include <errno.h>
137 [int k; k = (int)sys_errlist[0];],
138 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_SYS_ERRLIST, 1,
139 [Define if you have sys_errlist in <errno.h>
141 AC_MSG_RESULT(no))])dnl
144 AC_DEFUN(GROFF_OSFCN_H,
146 AC_MSG_CHECKING([C++ <osfcn.h>])
147 AC_TRY_COMPILE([#include <osfcn.h>],
148 [read(0, 0, 0); open(0, 0);],
149 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_OSFCN_H, 1,
150 [Define if you have a C++ <osfcn.h>.]),
152 AC_LANG_POP(C++)])dnl
155 AC_DEFUN(GROFF_LIMITS_H,
157 AC_MSG_CHECKING([C++ <limits.h>])
158 AC_TRY_COMPILE([#include <limits.h>],
159 [int x = INT_MIN; int y = INT_MAX; int z = UCHAR_MAX;],
160 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_LIMITS_H, 1,
161 [Define if you have a C++ <limits.h>.]),
163 AC_LANG_POP(C++)])dnl
166 AC_DEFUN(GROFF_TIME_T,
168 AC_MSG_CHECKING([for declaration of time_t])
169 AC_TRY_COMPILE([#include <time.h>],
170 [time_t t = time(0); struct tm *p = localtime(&t);],
172 AC_MSG_RESULT(no);AC_DEFINE(LONG_FOR_TIME_T, 1,
173 [Define if localtime() takes a long * not a
175 AC_LANG_POP(C++)])dnl
178 AC_DEFUN(GROFF_STRUCT_EXCEPTION,
179 [AC_MSG_CHECKING([struct exception])
180 AC_TRY_COMPILE([#include <math.h>],
181 [struct exception e;],
182 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_STRUCT_EXCEPTION, 1,
183 [Define if <math.h> defines struct exception.]),
184 AC_MSG_RESULT(no))])dnl
187 AC_DEFUN(GROFF_ARRAY_DELETE,
189 AC_MSG_CHECKING([whether ANSI array delete syntax supported])
190 AC_TRY_COMPILE(, [char *p = new char[5]; delete [] p;],
192 AC_MSG_RESULT(no);AC_DEFINE(ARRAY_DELETE_NEEDS_SIZE, 1,
193 [Define if your C++ doesn't understand
195 AC_LANG_POP(C++)])dnl
199 AC_DEFUN(GROFF_TRADITIONAL_CPP,
201 AC_MSG_CHECKING([traditional preprocessor])
202 AC_TRY_COMPILE([#define name2(a,b) a/**/b],[int name2(foo,bar);],
203 AC_MSG_RESULT(yes);AC_DEFINE(TRADITIONAL_CPP, 1,
204 [Define if your C++ compiler uses a
205 traditional (Reiser) preprocessor.]),
207 AC_LANG_POP(C++)])dnl
210 AC_DEFUN(GROFF_WCOREFLAG,
211 [AC_MSG_CHECKING([w_coredump])
212 AC_TRY_RUN([#include <sys/types.h>
213 #include <sys/wait.h>
220 ((union wait *)&i)->w_coredump = 1;
224 AC_MSG_RESULT(yes);AC_DEFINE(WCOREFLAG, 0200,
225 [Define if the 0200 bit of the status returned
226 by wait() indicates whether a core image was
227 produced for a process that was terminated by
230 AC_MSG_RESULT(no))])dnl
233 AC_DEFUN(GROFF_BROKEN_SPOOLER_FLAGS,
234 [AC_MSG_CHECKING([default value for grops -b option])
235 test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=7
236 AC_MSG_RESULT($BROKEN_SPOOLER_FLAGS)
237 AC_SUBST(BROKEN_SPOOLER_FLAGS)])dnl
241 [AC_MSG_CHECKING([default paper size])
242 if test -z "$PAGE"; then
244 if test -r $prefix/share/groff/font/devps/DESC; then
245 descfile=$prefix/share/groff/font/devps/DESC
246 elif test -r $prefix/lib/groff/font/devps/DESC; then
247 descfile=$prefix/lib/groff/font/devps/DESC
249 for f in $prefix/share/groff/*/font/devps/DESC; do
256 if test -n "$descfile" \
257 && grep "^paperlength 841890" $descfile >/dev/null 2>&1; then
261 if test -z "$PAGE"; then
262 dom=`awk '([$]1 == "dom" || [$]1 == "search") { print [$]2; exit}' \
263 /etc/resolv.conf 2>/dev/null`
264 if test -z "$dom"; then
265 dom=`(domainname) 2>/dev/null | tr -d '+'`
267 || test "$dom" = '(none)'; then
268 dom=`(hostname) 2>/dev/null | grep '\.'`
272 # If the top-level domain is two letters and it's not `us' or `ca'
273 # then they probably use A4 paper.
275 *.[Uu][Ss]|*.[Cc][Aa]) ;;
276 *.[A-Za-z][A-Za-z]) PAGE=A4 ;;
280 test -n "$PAGE" || PAGE=letter
281 if test "x$PAGE" = "xA4"; then
283 [Define if the printer's page size is A4.])
289 AC_DEFUN(GROFF_CXX_CHECK,
290 [AC_REQUIRE([AC_PROG_CXX])
292 if test "$cross_compiling" = no; then
293 AC_MSG_CHECKING([that C++ compiler can compile simple program])
295 AC_TRY_RUN([int main() { return 0; }],
297 AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]),
299 if test "$cross_compiling" = no; then
300 AC_MSG_CHECKING([that C++ static constructors and destructors are called])
310 ~A() { if (i == 1) _exit(0); }
313 int main() { return 1; }
316 AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]),
318 AC_MSG_CHECKING([that header files support C++])
319 AC_TRY_LINK([#include <stdio.h>],
322 AC_MSG_RESULT(no);AC_MSG_ERROR([header files do not support C++ (if you are using a version of gcc/g++ earlier than 2.5, you should install libg++)]))
323 AC_LANG_POP(C++)])dnl
327 [AC_MSG_CHECKING([for prefix of system macro packages])
329 sys_tmac_file_prefix=
330 for d in /usr/share/lib/tmac /usr/lib/tmac; do
331 for t in "" tmac.; do
334 if test -z "$sys_tmac_prefix" \
336 && grep '^\.if' $f >/dev/null 2>&1; then
337 sys_tmac_prefix=$d/$t
338 sys_tmac_file_prefix=$t
343 AC_MSG_RESULT($sys_tmac_prefix)
344 AC_SUBST(sys_tmac_prefix)
346 AC_MSG_CHECKING([which system macro packages should be made available])
347 if test "x$sys_tmac_file_prefix" = "xtmac."; then
348 for f in $sys_tmac_prefix*; do
349 suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
353 grep "Copyright.*Free Software Foundation" $f >/dev/null \
354 || tmac_wrap="$tmac_wrap $suff" ;;
357 elif test -n "$sys_tmac_prefix"; then
358 files=`echo $sys_tmac_prefix*`
359 grep "\\.so" $files >conftest.sol
362 ${sys_tmac_prefix}e) ;;
367 if grep "\\.so.*/$b\$" conftest.sol >/dev/null \
368 || grep -l "Copyright.*Free Software Foundation" $f >/dev/null; then
371 suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
374 *) tmac_wrap="$tmac_wrap $suff" ;;
381 AC_MSG_RESULT([$tmac_wrap])
382 AC_SUBST(tmac_wrap)])dnl
386 [AC_MSG_CHECKING([for existing troff installation])
387 if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
397 dnl We need the path to install-sh to be absolute.
399 AC_DEFUN(GROFF_INSTALL_SH,
400 [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
401 ac_dir=`cd $ac_aux_dir; pwd`
402 ac_install_sh="$ac_dir/install-sh -c"])dnl
405 dnl At least one UNIX system, Apple Macintosh Rhapsody 5.5,
406 dnl does not have -lm.
409 [AC_CHECK_LIB(m,sin,LIBM=-lm)
413 dnl We need top_srcdir to be absolute.
415 AC_DEFUN(GROFF_SRCDIR,
416 [ac_srcdir_defaulted=no
417 srcdir=`cd $srcdir; pwd`])dnl
420 dnl This simplifies Makefile rules.
422 AC_DEFUN(GROFF_BUILDDIR,
424 AC_SUBST(top_builddir)])dnl
427 dnl Check for EBCDIC - stolen from the OS390 Unix LYNX port
429 AC_DEFUN(GROFF_EBCDIC,
430 [AC_MSG_CHECKING([whether character set is EBCDIC])
432 [/* Treat any failure as ASCII for compatibility with existing art.
433 Use compile-time rather than run-time tests for cross-compiler
436 make an error "Character set is not EBCDIC"
438 groff_cv_ebcdic="yes"
439 TTYDEVDIRS="font/devcp1047"
441 AC_DEFINE(IS_EBCDIC_HOST, 1,
442 [Define if the host's encoding is EBCDIC.]),
444 TTYDEVDIRS="font/devascii font/devlatin1"
445 OTHERDEVDIRS="font/devlj4 font/devlbp"
448 AC_SUBST(OTHERDEVDIRS)])dnl
451 dnl Check for OS/390 Unix. We test for EBCDIC also -- the Linux port (with
452 dnl gcc) to OS/390 uses ASCII internally.
454 AC_DEFUN(GROFF_OS390,
455 [if test "$groff_cv_ebcdic" = "yes"; then
456 AC_MSG_CHECKING([for OS/390 Unix])
459 CFLAGS="$CFLAGS -D_ALL_SOURCE"
460 AC_MSG_RESULT(yes) ;;
467 dnl Check whether we need a declaration for a function.
469 dnl Stolen from GNU bfd.
471 AC_DEFUN(GROFF_NEED_DECLARATION,
472 [AC_MSG_CHECKING([whether $1 must be declared])
474 AC_CACHE_VAL(groff_cv_decl_needed_$1,
480 #ifdef HAVE_STRINGS_H
486 #ifdef HAVE_SYS_TIME_H
487 #include <sys/time.h>
496 char *p = (char *) $1;
498 groff_cv_decl_needed_$1=no,
499 groff_cv_decl_needed_$1=yes)])
500 AC_MSG_RESULT($groff_cv_decl_needed_$1)
501 if test $groff_cv_decl_needed_$1 = yes; then
502 AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
503 [Define if your C++ doesn't declare ]$1[().])
505 AC_LANG_POP(C++)])dnl
508 dnl If mkstemp() isn't available, use our own mkstemp.cc file.
510 AC_DEFUN(GROFF_MKSTEMP,
511 [AC_MSG_CHECKING([for mkstemp])
513 AC_LIBSOURCE(mkstemp.cc)
514 AC_TRY_LINK([#include <stdlib.h>
517 AC_MSG_RESULT(yes);AC_DEFINE(HAVE_MKSTEMP, 1,
518 [Define if you have mkstemp().]),
519 AC_MSG_RESULT(no);_AC_LIBOBJ(mkstemp))
520 AC_LANG_POP(C++)])dnl
523 dnl Test whether <inttypes.h> exists, doesn't clash with <sys/types.h>,
524 dnl and declares uintmax_t. Taken from the fileutils package.
526 AC_DEFUN(GROFF_INTTYPES_H,
528 AC_MSG_CHECKING([for inttypes.h])
529 AC_TRY_COMPILE([#include <sys/types.h>
530 #include <inttypes.h>],
531 [uintmax_t i = (uintmax_t)-1;],
532 groff_cv_header_inttypes_h=yes,
533 groff_cv_header_inttypes_h=no)
534 AC_MSG_RESULT($groff_cv_header_inttypes_h)
535 AC_LANG_POP(C++)])dnl
538 dnl Test for working `unsigned long long'. Taken from the fileutils package.
540 AC_DEFUN(GROFF_UNSIGNED_LONG_LONG,
542 AC_MSG_CHECKING([for unsigned long long])
543 AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
544 [unsigned long long ullmax = (unsigned long long)-1;
545 return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
546 groff_cv_type_unsigned_long_long=yes,
547 groff_cv_type_unsigned_long_long=no)
548 AC_MSG_RESULT($groff_cv_type_unsigned_long_long)
549 AC_LANG_POP(C++)])dnl
552 dnl Define uintmax_t to `unsigned long' or `unsigned long long'
553 dnl if <inttypes.h> does not exist. Taken from the fileutils package.
555 AC_DEFUN(GROFF_UINTMAX_T,
556 [AC_REQUIRE([GROFF_INTTYPES_H])
557 if test $groff_cv_header_inttypes_h = no; then
558 AC_REQUIRE([GROFF_UNSIGNED_LONG_LONG])
559 test $groff_cv_type_unsigned_long_long = yes \
560 && ac_type='unsigned long long' \
561 || ac_type='unsigned long'
562 AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
563 [Define uintmax_t to `unsigned long' or
564 `unsigned long long' if <inttypes.h> does not