386 lines
9.8 KiB
Plaintext
386 lines
9.8 KiB
Plaintext
dnl Autoconf macros for groff.
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dnl Copyright (C) 1989, 1990, 1991, 1992, 1995 Free Software Foundation, Inc.
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dnl
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dnl This file is part of groff.
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dnl
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dnl groff is free software; you can redistribute it and/or modify it under
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dnl the terms of the GNU General Public License as published by the Free
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dnl Software Foundation; either version 2, or (at your option) any later
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dnl version.
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dnl
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dnl groff is distributed in the hope that it will be useful, but WITHOUT ANY
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dnl WARRANTY; without even the implied warranty of MERCHANTABILITY or
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dnl FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License along
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dnl with groff; see the file COPYING. If not, write to the Free Software
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dnl Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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dnl
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AC_DEFUN(GROFF_PRINT,
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[if test -z "$PSPRINT"
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then
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AC_CHECK_PROGS(LPR,lpr)
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AC_CHECK_PROGS(LP,lp)
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if test -n "$LPR" && test -n "$LP"
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then
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# HP-UX provides an lpr command that emulates lpr using lp,
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# but it doesn't have lpq; in this case we want to use lp
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# rather than lpr.
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AC_CHECK_PROGS(LPQ,lpq)
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test -n "$LPQ" || LPR=
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fi
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if test -n "$LPR"
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then
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PSPRINT="$LPR"
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elif test -n "$LP"
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then
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PSPRINT="$LP"
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fi
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fi
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AC_SUBST(PSPRINT)
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AC_MSG_CHECKING([for command to use for printing PostScript files])
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AC_MSG_RESULT($PSPRINT)
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# Figure out DVIPRINT from PSPRINT.
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AC_MSG_CHECKING([for command to use for printing dvi files])
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if test -n "$PSPRINT" && test -z "$DVIPRINT"
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then
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if test "X$PSPRINT" = "Xlpr"
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then
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DVIPRINT="lpr -d"
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else
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DVIPRINT="$PSPRINT"
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fi
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fi
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AC_SUBST(DVIPRINT)
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AC_MSG_RESULT($DVIPRINT)])dnl
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dnl Bison generated parsers have problems with C++ compilers other than g++.
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dnl So byacc is preferred over bison.
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AC_DEFUN(GROFF_PROG_YACC,
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[AC_CHECK_PROGS(YACC, byacc 'bison -y', yacc)])
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dnl GROFF_CSH_HACK(if hack present, if not present)
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AC_DEFUN(GROFF_CSH_HACK,
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[AC_MSG_CHECKING([for csh hash hack])
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cat <<EOF >conftest.sh
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#!/bin/sh
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true || exit 0
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export PATH || exit 0
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exit 1
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EOF
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chmod +x conftest.sh
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if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1
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then
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AC_MSG_RESULT(yes); $1
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else
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AC_MSG_RESULT(no); $2
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fi
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rm -f conftest.sh
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])dnl
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dnl From udodo!hans@relay.NL.net (Hans Zuidam)
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AC_DEFUN(GROFF_ISC_SYSV3,
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[AC_MSG_CHECKING([for ISC 3.x or 4.x])
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changequote(,)dnl
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if grep '[34]\.' /usr/options/cb.name >/dev/null 2>&1
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changequote([,])dnl
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then
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AC_MSG_RESULT(yes)
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AC_DEFINE(_SYSV3)
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else
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AC_MSG_RESULT(no)
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fi])dnl
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AC_DEFUN(GROFF_POSIX,
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[AC_MSG_CHECKING([whether -D_POSIX_SOURCE is necessary])
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#include <stdio.h>
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extern "C" { void fileno(int); }],,
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AC_MSG_RESULT(yes);AC_DEFINE(_POSIX_SOURCE),
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AC_MSG_RESULT(no))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_GETOPT,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([declaration of getopt in stdlib.h])
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AC_TRY_COMPILE(
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[#include <stdlib.h>
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extern "C" { void getopt(int); }],,AC_MSG_RESULT(no),
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AC_MSG_RESULT(yes);AC_DEFINE(STDLIB_H_DECLARES_GETOPT))
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AC_MSG_CHECKING([declaration of getopt in unistd.h])
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AC_TRY_COMPILE([#include <sys/types.h>
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#include <unistd.h>
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extern "C" { void getopt(int); }],,AC_MSG_RESULT(no),
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AC_MSG_RESULT(yes);AC_DEFINE(UNISTD_H_DECLARES_GETOPT))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_PUTENV,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([declaration of putenv])
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AC_TRY_COMPILE([#include <stdlib.h>
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extern "C" { void putenv(int); }],,AC_MSG_RESULT(no),
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AC_MSG_RESULT(yes)
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AC_DEFINE(STDLIB_H_DECLARES_PUTENV))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_POPEN,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([declaration of popen])
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AC_TRY_COMPILE([#include <stdio.h>
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extern "C" { void popen(int); }],,AC_MSG_RESULT(no),
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AC_MSG_RESULT(yes);AC_DEFINE(STDIO_H_DECLARES_POPEN))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_PCLOSE,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([declaration of pclose])
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AC_TRY_COMPILE([#include <stdio.h>
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extern "C" { void pclose(int); }],,AC_MSG_RESULT(no),
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AC_MSG_RESULT(yes);AC_DEFINE(STDIO_H_DECLARES_PCLOSE))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_OSFCN_H,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([C++ <osfcn.h>])
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AC_TRY_COMPILE([#include <osfcn.h>],
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[read(0, 0, 0); open(0, 0);],AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_OSFCN_H),
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AC_MSG_RESULT(no))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_LIMITS_H,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([C++ <limits.h>])
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AC_TRY_COMPILE([#include <limits.h>],
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[int x = INT_MIN; int y = INT_MAX; int z = UCHAR_MAX;],
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AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_LIMITS_H),AC_MSG_RESULT(no))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_TIME_T,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([for declaration of time_t])
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AC_TRY_COMPILE([#include <time.h>],
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[time_t t = time(0); struct tm *p = localtime(&t);],AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no);AC_DEFINE(LONG_FOR_TIME_T))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_STRUCT_EXCEPTION,
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[AC_MSG_CHECKING([struct exception])
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AC_TRY_COMPILE([#include <math.h>],
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[struct exception e;],
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AC_MSG_RESULT(yes);AC_DEFINE(HAVE_STRUCT_EXCEPTION),
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AC_MSG_RESULT(no))])dnl
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AC_DEFUN(GROFF_ARRAY_DELETE,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([whether ANSI array delete syntax supported])
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AC_TRY_COMPILE(,
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changequote(,)dnl
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char *p = new char[5]; delete [] p;changequote([,]),
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AC_MSG_RESULT(yes),AC_MSG_RESULT(no);AC_DEFINE(ARRAY_DELETE_NEEDS_SIZE))
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AC_LANG_RESTORE])dnl
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dnl
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AC_DEFUN(GROFF_TRADITIONAL_CPP,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_MSG_CHECKING([traditional preprocessor])
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AC_TRY_COMPILE([#define name2(a,b) a/**/b],[int name2(foo,bar);],
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AC_MSG_RESULT(yes);AC_DEFINE(TRADITIONAL_CPP),
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AC_MSG_RESULT(no))
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AC_LANG_RESTORE])dnl
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AC_DEFUN(GROFF_WCOREFLAG,
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[AC_MSG_CHECKING([w_coredump])
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AC_TRY_RUN([
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#include <sys/types.h>
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#include <sys/wait.h>
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main()
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{
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#ifdef WCOREFLAG
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exit(1);
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#else
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int i = 0;
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((union wait *)&i)->w_coredump = 1;
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exit(i != 0200);
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#endif
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}
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],AC_MSG_RESULT(yes);AC_DEFINE(WCOREFLAG,0200),AC_MSG_RESULT(no),
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AC_MSG_RESULT(no))])dnl
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dnl
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AC_DEFUN(GROFF_BROKEN_SPOOLER_FLAGS,
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[AC_MSG_CHECKING([default value for grops -b option])
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test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=7
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AC_MSG_RESULT($BROKEN_SPOOLER_FLAGS)
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AC_SUBST(BROKEN_SPOOLER_FLAGS)])dnl
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dnl
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AC_DEFUN(GROFF_PAGE,
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[AC_MSG_CHECKING([default paper size])
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if test -z "$PAGE"
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then
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descfile=
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if test -r $prefix/share/groff/font/devps/DESC
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then
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descfile=$prefix/share/groff/font/devps/DESC
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elif test -r $prefix/lib/groff/font/devps/DESC
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then
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descfile=$prefix/lib/groff/font/devps/DESC
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fi
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if test -n "$descfile" \
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&& grep "^paperlength 841890" $descfile >/dev/null 2>&1
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then
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PAGE=A4
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else
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PAGE=letter
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fi
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fi
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if test -z "$PAGE"
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then
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dom=`awk '([$]1 == "dom" || [$]1 == "search") { print [$]2; exit}' \
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/etc/resolv.conf 2>/dev/null`
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if test -z "$dom"
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then
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dom=`(domainname) 2>/dev/null | tr -d '+'`
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if test -z "$dom"
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then
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dom=`(hostname) 2>/dev/null | grep '\.'`
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fi
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fi
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changequote(,)dnl
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# If the top-level domain is two letters and it's not `us' or `ca'
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# then they probably use A4 paper.
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case "$dom" in
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*.[Uu][Ss]|*.[Cc][Aa]) ;;
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*.[A-Za-z][A-Za-z]) PAGE=A4 ;;
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esac
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changequote([,])dnl
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fi
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test -n "$PAGE" || PAGE=letter
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AC_MSG_RESULT($PAGE)
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AC_SUBST(PAGE)])dnl
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dnl
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AC_DEFUN(GROFF_CXX_CHECK,
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[AC_REQUIRE([AC_C_CROSS])
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AC_REQUIRE([AC_PROG_CXX])
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AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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if test "$cross_compiling" = no; then
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AC_MSG_CHECKING([that C++ compiler can compile simple program])
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fi
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AC_TRY_RUN([int main() { return 0; }],
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([a working C++ compiler is required]),:)
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if test "$cross_compiling" = no; then
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AC_MSG_CHECKING([that C++ static constructors and destructors are called])
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fi
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AC_TRY_RUN([
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extern "C" {
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void _exit(int);
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}
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int i;
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struct A {
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char dummy;
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A() { i = 1; }
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~A() { if (i == 1) _exit(0); }
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};
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A a;
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int main() { return 1; }
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],
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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AC_MSG_ERROR([a working C++ compiler is required]),:)
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AC_MSG_CHECKING([that header files support C++])
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AC_TRY_LINK([#include <stdio.h>],
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[fopen(0, 0);],AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no)
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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++)]))
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AC_LANG_RESTORE
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])dnl
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dnl
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AC_DEFUN(GROFF_TMAC,
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[
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AC_MSG_CHECKING([for prefix of system macro packages])
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sys_tmac_prefix=
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sys_tmac_file_prefix=
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for d in /usr/share/lib/tmac /usr/lib/tmac
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do
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for t in "" tmac.
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do
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for m in an s m
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do
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f=$d/$t$m
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if test -z "$sys_tmac_prefix" \
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&& test -f $f \
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&& grep '^\.if' $f >/dev/null 2>&1
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then
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sys_tmac_prefix=$d/$t
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sys_tmac_file_prefix=$t
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fi
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done
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done
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done
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AC_MSG_RESULT($sys_tmac_prefix)
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AC_SUBST(sys_tmac_prefix)
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tmac_wrap=
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AC_MSG_CHECKING([which system macro packages should be made available])
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if test "x$sys_tmac_file_prefix" = "xtmac."
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then
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for f in $sys_tmac_prefix*
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do
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suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
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case "$suff" in
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e);;
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*)
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grep "Copyright.*Free Software Foundation" $f >/dev/null \
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|| tmac_wrap="$tmac_wrap $suff"
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;;
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esac
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done
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elif test -n "$sys_tmac_prefix"
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then
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files=`echo $sys_tmac_prefix*`
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grep "\\.so" $files >conftest.sol
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for f in $files
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do
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case "$f" in
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${sys_tmac_prefix}e) ;;
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*.me) ;;
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*/ms.*) ;;
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*)
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b=`basename $f`
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if grep "\\.so.*/$b\$" conftest.sol >/dev/null \
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|| grep -l "Copyright.*Free Software Foundation" $f >/dev/null
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then
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:
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else
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suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
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case "$suff" in
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tmac.*);;
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*) tmac_wrap="$tmac_wrap $suff" ;;
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esac
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fi
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esac
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done
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rm -f conftest.sol
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fi
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AC_MSG_RESULT([$tmac_wrap])
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AC_SUBST(tmac_wrap)
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])dnl
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AC_DEFUN(GROFF_G,
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[AC_MSG_CHECKING([for existing troff installation])
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if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" \
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= x0
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then
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AC_MSG_RESULT(yes)
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g=g
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else
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AC_MSG_RESULT(no)
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g=
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fi
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AC_SUBST(g)
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])dnl
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dnl We need the path to install-sh to be absolute.
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AC_DEFUN(GROFF_INSTALL_SH,
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[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
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ac_dir=`cd $ac_aux_dir; pwd`
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ac_install_sh="$ac_dir/install-sh -c"
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])
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