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676 lines
17 KiB
Plaintext
676 lines
17 KiB
Plaintext
dnl Autoconf macros for groff.
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dnl Copyright (C) 1989-1995, 2001, 2002 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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dnl
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AC_DEFUN(GROFF_PRINT,
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[if test -z "$PSPRINT"; then
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AC_CHECK_PROGS(LPR,lpr)
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AC_CHECK_PROGS(LP,lp)
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if test -n "$LPR" && test -n "$LP"; then
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# HP-UX provides an lpr command that emulates lpr using lp,
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# but it doesn't have lpq; in this case we want to use lp
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# rather than lpr.
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AC_CHECK_PROGS(LPQ,lpq)
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test -n "$LPQ" || LPR=
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fi
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if test -n "$LPR"; then
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PSPRINT="$LPR"
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elif test -n "$LP"; then
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PSPRINT="$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 "$DVIPRINT"; then
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if test "X$PSPRINT" = "Xlpr"; 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
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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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dnl
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AC_DEFUN(GROFF_PROG_YACC,
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[AC_CHECK_PROGS(YACC, byacc 'bison -y', yacc)])dnl
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dnl
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dnl
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dnl The following programs are needed for grohtml.
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dnl
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AC_DEFUN(GROFF_HTML_PROGRAMS,
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[make_html=html
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make_install_html=install_html
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missing=
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AC_CHECK_PROG(pnmcut, pnmcut, found, missing)
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if test $pnmcut = missing; then
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missing="$missing pnmcut"
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fi
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AC_CHECK_PROG(pnmcrop, pnmcrop, found, missing)
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if test $pnmcrop = missing; then
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missing="$missing pnmcrop"
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fi
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AC_CHECK_PROG(pnmtopng, pnmtopng, found, missing)
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if test $pnmtopng = missing; then
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missing="$missing pnmtopng"
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fi
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AC_CHECK_PROG(gs, gs gsos2, found, missing)
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if test $gs = missing; then
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missing="$missing gs"
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fi
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AC_CHECK_PROG(psselect, psselect, found, missing)
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if test $psselect = missing; then
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missing="$missing psselect"
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fi
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AC_CHECK_PROG(pnmtops, pnmtops, found, missing)
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if test $pnmtops = missing; then
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missing="$missing pnmtops"
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fi
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if test -n "$missing"; then
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cnt=0
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for i in $missing
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do
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cnt=`expr $cnt + 1`
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eval "prog$cnt=$i"
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done
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plural="s"
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case $cnt in
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1)
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plural=""
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progs="\`$prog1'" ;;
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2)
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progs="\`$prog1' and \`$prog2'" ;;
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3)
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progs="\`$prog1', \`$prog2', and \`$prog3'" ;;
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4)
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progs="\`$prog1', \`$prog2', \`$prog3', and \`$prog4'" ;;
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5)
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progs="\`$prog1', \`$prog2', \`$prog3', \`$prog4', and \`$prog5'" ;;
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6)
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progs="\`$prog1', \`$prog2', \`$prog3', \`$prog4', \`$prog5', and \`$prog6'" ;;
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esac
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make_html=
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make_install_html=
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AC_MSG_WARN([
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The program$plural
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$progs
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can't be found in the path, thus the HTML backend of groff (grohtml)
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won't work properly. Consequently, no documentation in HTML format
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is built and installed.
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])
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fi
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AC_SUBST(make_html)
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AC_SUBST(make_install_html)])dnl
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dnl
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dnl check to see whether pnmtops can handle the -nosetpage option
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dnl
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AC_DEFUN(GROFF_PNMTOPS_NOSETPAGE,
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[AC_MSG_CHECKING([whether pnmtops can handle the -nosetpage option])
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if echo P2 2 2 255 0 1 2 0 | pnmtops -nosetpage > /dev/null 2>&1 ; then
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AC_MSG_RESULT(yes)
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pnmtops_nosetpage="pnmtops -nosetpage"
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else
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AC_MSG_RESULT(no)
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pnmtops_nosetpage="pnmtops"
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fi
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AC_SUBST(pnmtops_nosetpage)
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])dnl
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dnl
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dnl
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dnl GROFF_CSH_HACK(if hack present, if not present)
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dnl
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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; 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])dnl
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dnl
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dnl
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dnl From udodo!hans@relay.NL.net (Hans Zuidam)
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dnl
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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, 1,
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[Define if you have ISC 3.x or 4.x.])
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else
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AC_MSG_RESULT(no)
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fi])dnl
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dnl
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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_PUSH(C++)
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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, 1,
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[Define if -D_POSIX_SOURCE is necessary.]),
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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dnl srand() of SunOS 4.1.3 has return type int instead of void
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dnl
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AC_DEFUN(GROFF_SRAND,
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[AC_LANG_PUSH(C++)
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AC_MSG_CHECKING([for return type of srand])
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AC_TRY_COMPILE([#include <stdlib.h>
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extern "C" { void srand(unsigned int); }],,
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AC_MSG_RESULT(void);AC_DEFINE(RET_TYPE_SRAND_IS_VOID, 1,
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[Define if srand() returns void not int.]),
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AC_MSG_RESULT(int))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_SYS_NERR,
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[AC_LANG_PUSH(C++)
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AC_MSG_CHECKING([for sys_nerr in <errno.h> or <stdio.h>])
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AC_TRY_COMPILE([#include <errno.h>
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#include <stdio.h>],
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[int k; k = sys_nerr;],
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AC_MSG_RESULT(yes);AC_DEFINE(HAVE_SYS_NERR, 1,
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[Define if you have sysnerr in <errno.h> or
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<stdio.h>.]),
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_SYS_ERRLIST,
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[AC_MSG_CHECKING([for sys_errlist[] in <errno.h> or <stdio.h>])
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AC_TRY_COMPILE([#include <errno.h>
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#include <stdio.h>],
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[int k; k = (int)sys_errlist[0];],
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AC_MSG_RESULT(yes);AC_DEFINE(HAVE_SYS_ERRLIST, 1,
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[Define if you have sys_errlist in <errno.h>
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or in <stdio.h>.]),
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AC_MSG_RESULT(no))])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_OSFCN_H,
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[AC_LANG_PUSH(C++)
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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);],
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AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_OSFCN_H, 1,
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[Define if you have a C++ <osfcn.h>.]),
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_LIMITS_H,
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[AC_LANG_PUSH(C++)
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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, 1,
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[Define if you have a C++ <limits.h>.]),
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_STDINT_H,
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[AC_LANG_PUSH(C++)
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AC_MSG_CHECKING([C++ <stdint.h>])
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AC_TRY_COMPILE([#include <stdint.h>],
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[uint32_t x; int32_t y;],
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AC_MSG_RESULT(yes);AC_DEFINE(HAVE_CC_STDINT_H, 1,
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[Define if you have a C++ <stdint.h>.]),
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_TIME_T,
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[AC_LANG_PUSH(C++)
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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);],
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no);AC_DEFINE(LONG_FOR_TIME_T, 1,
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[Define if localtime() takes a long * not a
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time_t *.]))
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AC_LANG_POP(C++)])dnl
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dnl
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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, 1,
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[Define if <math.h> defines struct exception.]),
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AC_MSG_RESULT(no))])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_ARRAY_DELETE,
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[AC_LANG_PUSH(C++)
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AC_MSG_CHECKING([whether ANSI array delete syntax supported])
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AC_TRY_COMPILE(, [char *p = new char[5]; delete [] p;],
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no);AC_DEFINE(ARRAY_DELETE_NEEDS_SIZE, 1,
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[Define if your C++ doesn't understand
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`delete []'.]))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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dnl
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AC_DEFUN(GROFF_TRADITIONAL_CPP,
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[AC_LANG_PUSH(C++)
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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, 1,
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[Define if your C++ compiler uses a
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traditional (Reiser) preprocessor.]),
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AC_MSG_RESULT(no))
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AC_LANG_POP(C++)])dnl
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dnl
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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([#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,
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[Define if the 0200 bit of the status returned
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by wait() indicates whether a core image was
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produced for a process that was terminated by
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a signal.]),
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AC_MSG_RESULT(no),
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AC_MSG_RESULT(no))])dnl
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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($BROKEN_SPOOLER_FLAGS)
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AC_SUBST(BROKEN_SPOOLER_FLAGS)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_PAGE,
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[AC_MSG_CHECKING([default paper size])
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groff_prefix=$prefix
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test "x$prefix" = xNONE && groff_prefix=$ac_default_prefix
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if test -z "$PAGE"; then
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descfile=
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if test -r $groff_prefix/share/groff/font/devps/DESC; then
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descfile=$groff_prefix/share/groff/font/devps/DESC
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elif test -r $groff_prefix/lib/groff/font/devps/DESC; then
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descfile=$groff_prefix/lib/groff/font/devps/DESC
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else
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for f in $groff_prefix/share/groff/*/font/devps/DESC; do
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if test -r $f; then
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descfile=$f
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break
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fi
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done
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fi
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if test -n "$descfile"; then
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changequote(,)dnl
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if grep '^paperlength[ ]\+841890' $descfile
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>/dev/null 2>&1; then
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PAGE=A4
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elif grep '^papersize[ ]\+[aA]4' $descfile \
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>/dev/null 2>&1; then
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PAGE=A4
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fi
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changequote([,])dnl
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fi
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fi
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if test -z "$PAGE"; 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"; then
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dom=`(domainname) 2>/dev/null | tr -d '+'`
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if test -z "$dom" \
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|| test "$dom" = '(none)'; 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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if test "x$PAGE" = "xA4"; then
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AC_DEFINE(PAGEA4, 1,
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[Define if the printer's page size is A4.])
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fi
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AC_MSG_RESULT($PAGE)
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AC_SUBST(PAGE)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_CXX_CHECK,
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[AC_REQUIRE([AC_PROG_CXX])
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AC_LANG_PUSH(C++)
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if test "$cross_compiling" = no; then
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AC_MSG_CHECKING([that C++ compiler can compile simple program])
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fi
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AC_TRY_RUN([int main() { return 0; }],
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AC_MSG_RESULT(yes),
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AC_MSG_RESULT(no);AC_MSG_ERROR([a working C++ compiler is required]),
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:)
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if test "$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);AC_MSG_ERROR([a working C++ compiler is required]),
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:)
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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);],
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AC_MSG_RESULT(yes),
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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++)]))
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AC_LANG_POP(C++)])dnl
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dnl
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dnl
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AC_DEFUN(GROFF_TMAC,
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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; do
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for t in "" tmac.; do
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for m in an s m; 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' $f >/dev/null 2>&1; then
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sys_tmac_prefix=$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."; then
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for f in $sys_tmac_prefix*; 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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*)
|
|
grep "Copyright.*Free Software Foundation" $f >/dev/null \
|
|
|| tmac_wrap="$tmac_wrap $suff" ;;
|
|
esac
|
|
done
|
|
elif test -n "$sys_tmac_prefix"; then
|
|
files=`echo $sys_tmac_prefix*`
|
|
grep "\\.so" $files >conftest.sol
|
|
for f in $files; do
|
|
case "$f" in
|
|
${sys_tmac_prefix}e) ;;
|
|
*.me) ;;
|
|
*/ms.*) ;;
|
|
*)
|
|
b=`basename $f`
|
|
if grep "\\.so.*/$b\$" conftest.sol >/dev/null \
|
|
|| grep -l "Copyright.*Free Software Foundation" $f >/dev/null; then
|
|
:
|
|
else
|
|
suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
|
|
case "$suff" in
|
|
tmac.*) ;;
|
|
*) tmac_wrap="$tmac_wrap $suff" ;;
|
|
esac
|
|
fi
|
|
esac
|
|
done
|
|
rm -f conftest.sol
|
|
fi
|
|
AC_MSG_RESULT([$tmac_wrap])
|
|
AC_SUBST(tmac_wrap)])dnl
|
|
dnl
|
|
dnl
|
|
AC_DEFUN(GROFF_G,
|
|
[AC_MSG_CHECKING([for existing troff installation])
|
|
if test "x`(echo .tm '|n(.g' | tr '|' '\\\\' | troff -z -i 2>&1) 2>/dev/null`" = x0; then
|
|
AC_MSG_RESULT(yes)
|
|
g=g
|
|
else
|
|
AC_MSG_RESULT(no)
|
|
g=
|
|
fi
|
|
AC_SUBST(g)])dnl
|
|
dnl
|
|
dnl
|
|
dnl We need the path to install-sh to be absolute.
|
|
dnl
|
|
AC_DEFUN(GROFF_INSTALL_SH,
|
|
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
|
|
ac_dir=`cd $ac_aux_dir; pwd`
|
|
ac_install_sh="$ac_dir/install-sh -c"])dnl
|
|
dnl
|
|
dnl
|
|
dnl Test whether install-info is available.
|
|
dnl
|
|
AC_DEFUN(GROFF_INSTALL_INFO,
|
|
[AC_CHECK_PROGS(INSTALL_INFO, install-info, :)])dnl
|
|
dnl
|
|
dnl
|
|
dnl At least one UNIX system, Apple Macintosh Rhapsody 5.5,
|
|
dnl does not have -lm.
|
|
dnl
|
|
AC_DEFUN(GROFF_LIBM,
|
|
[AC_CHECK_LIB(m,sin,LIBM=-lm)
|
|
AC_SUBST(LIBM)])dnl
|
|
dnl
|
|
dnl
|
|
dnl We need top_srcdir to be absolute.
|
|
dnl
|
|
AC_DEFUN(GROFF_SRCDIR,
|
|
[ac_srcdir_defaulted=no
|
|
srcdir=`cd $srcdir; pwd`])dnl
|
|
dnl
|
|
dnl
|
|
dnl This simplifies Makefile rules.
|
|
dnl
|
|
AC_DEFUN(GROFF_BUILDDIR,
|
|
[groff_top_builddir=`pwd`
|
|
AC_SUBST(groff_top_builddir)])dnl
|
|
dnl
|
|
dnl
|
|
dnl Check for EBCDIC - stolen from the OS390 Unix LYNX port
|
|
dnl
|
|
AC_DEFUN(GROFF_EBCDIC,
|
|
[AC_MSG_CHECKING([whether character set is EBCDIC])
|
|
AC_TRY_COMPILE(,
|
|
[/* Treat any failure as ASCII for compatibility with existing art.
|
|
Use compile-time rather than run-time tests for cross-compiler
|
|
tolerance. */
|
|
#if '0' != 240
|
|
make an error "Character set is not EBCDIC"
|
|
#endif],
|
|
groff_cv_ebcdic="yes"
|
|
TTYDEVDIRS="font/devcp1047"
|
|
AC_MSG_RESULT(yes)
|
|
AC_DEFINE(IS_EBCDIC_HOST, 1,
|
|
[Define if the host's encoding is EBCDIC.]),
|
|
groff_cv_ebcdic="no"
|
|
TTYDEVDIRS="font/devascii font/devlatin1"
|
|
OTHERDEVDIRS="font/devlj4 font/devlbp"
|
|
AC_MSG_RESULT(no))
|
|
AC_SUBST(TTYDEVDIRS)
|
|
AC_SUBST(OTHERDEVDIRS)])dnl
|
|
dnl
|
|
dnl
|
|
dnl Check for OS/390 Unix. We test for EBCDIC also -- the Linux port (with
|
|
dnl gcc) to OS/390 uses ASCII internally.
|
|
dnl
|
|
AC_DEFUN(GROFF_OS390,
|
|
[if test "$groff_cv_ebcdic" = "yes"; then
|
|
AC_MSG_CHECKING([for OS/390 Unix])
|
|
case `uname` in
|
|
OS/390)
|
|
CFLAGS="$CFLAGS -D_ALL_SOURCE"
|
|
AC_MSG_RESULT(yes) ;;
|
|
*)
|
|
AC_MSG_RESULT(no) ;;
|
|
esac
|
|
fi])dnl
|
|
dnl
|
|
dnl
|
|
dnl Check whether we need a declaration for a function.
|
|
dnl
|
|
dnl Stolen from GNU bfd.
|
|
dnl
|
|
AC_DEFUN(GROFF_NEED_DECLARATION,
|
|
[AC_MSG_CHECKING([whether $1 must be declared])
|
|
AC_LANG_PUSH(C++)
|
|
AC_CACHE_VAL(groff_cv_decl_needed_$1,
|
|
[AC_TRY_COMPILE([
|
|
#include <stdio.h>
|
|
#ifdef HAVE_STRING_H
|
|
#include <string.h>
|
|
#endif
|
|
#ifdef HAVE_STRINGS_H
|
|
#include <strings.h>
|
|
#endif
|
|
#ifdef HAVE_STDLIB_H
|
|
#include <stdlib.h>
|
|
#endif
|
|
#ifdef HAVE_SYS_TIME_H
|
|
#include <sys/time.h>
|
|
#endif
|
|
#ifdef HAVE_UNISTD_H
|
|
#include <unistd.h>
|
|
#endif
|
|
#ifdef HAVE_MATH_H
|
|
#include <math.h>
|
|
#endif],
|
|
[#ifndef $1
|
|
char *p = (char *) $1;
|
|
#endif],
|
|
groff_cv_decl_needed_$1=no,
|
|
groff_cv_decl_needed_$1=yes)])
|
|
AC_MSG_RESULT($groff_cv_decl_needed_$1)
|
|
if test $groff_cv_decl_needed_$1 = yes; then
|
|
AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
|
|
[Define if your C++ doesn't declare ]$1[().])
|
|
fi
|
|
AC_LANG_POP(C++)])dnl
|
|
dnl
|
|
dnl
|
|
dnl If mkstemp() isn't available, use our own mkstemp.cpp file.
|
|
dnl
|
|
AC_DEFUN(GROFF_MKSTEMP,
|
|
[AC_MSG_CHECKING([for mkstemp])
|
|
AC_LANG_PUSH(C++)
|
|
AC_LIBSOURCE(mkstemp.cpp)
|
|
AC_TRY_LINK([#include <stdlib.h>
|
|
#include <unistd.h>
|
|
int (*f) (char *);],
|
|
[f = mkstemp;],
|
|
AC_MSG_RESULT(yes);AC_DEFINE(HAVE_MKSTEMP, 1,
|
|
[Define if you have mkstemp().]),
|
|
AC_MSG_RESULT(no);_AC_LIBOBJ(mkstemp))
|
|
AC_LANG_POP(C++)])dnl
|
|
dnl
|
|
dnl
|
|
dnl Test whether <inttypes.h> exists, doesn't clash with <sys/types.h>,
|
|
dnl and declares uintmax_t. Taken from the fileutils package.
|
|
dnl
|
|
AC_DEFUN(GROFF_INTTYPES_H,
|
|
[AC_LANG_PUSH(C++)
|
|
AC_MSG_CHECKING([for inttypes.h])
|
|
AC_TRY_COMPILE([#include <sys/types.h>
|
|
#include <inttypes.h>],
|
|
[uintmax_t i = (uintmax_t)-1;],
|
|
groff_cv_header_inttypes_h=yes,
|
|
groff_cv_header_inttypes_h=no)
|
|
AC_MSG_RESULT($groff_cv_header_inttypes_h)
|
|
AC_LANG_POP(C++)])dnl
|
|
dnl
|
|
dnl
|
|
dnl Test for working `unsigned long long'. Taken from the fileutils package.
|
|
dnl
|
|
AC_DEFUN(GROFF_UNSIGNED_LONG_LONG,
|
|
[AC_LANG_PUSH(C++)
|
|
AC_MSG_CHECKING([for unsigned long long])
|
|
AC_TRY_LINK([unsigned long long ull = 1; int i = 63;],
|
|
[unsigned long long ullmax = (unsigned long long)-1;
|
|
return ull << i | ull >> i | ullmax / ull | ullmax % ull;],
|
|
groff_cv_type_unsigned_long_long=yes,
|
|
groff_cv_type_unsigned_long_long=no)
|
|
AC_MSG_RESULT($groff_cv_type_unsigned_long_long)
|
|
AC_LANG_POP(C++)])dnl
|
|
dnl
|
|
dnl
|
|
dnl Define uintmax_t to `unsigned long' or `unsigned long long'
|
|
dnl if <inttypes.h> does not exist. Taken from the fileutils package.
|
|
dnl
|
|
AC_DEFUN(GROFF_UINTMAX_T,
|
|
[AC_REQUIRE([GROFF_INTTYPES_H])
|
|
if test $groff_cv_header_inttypes_h = no; then
|
|
AC_REQUIRE([GROFF_UNSIGNED_LONG_LONG])
|
|
test $groff_cv_type_unsigned_long_long = yes \
|
|
&& ac_type='unsigned long long' \
|
|
|| ac_type='unsigned long'
|
|
AC_DEFINE_UNQUOTED(uintmax_t, $ac_type,
|
|
[Define uintmax_t to `unsigned long' or
|
|
`unsigned long long' if <inttypes.h> does not
|
|
exist.])
|
|
fi])dnl
|