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-rw-r--r--m4/groff.m41205
1 files changed, 1205 insertions, 0 deletions
diff --git a/m4/groff.m4 b/m4/groff.m4
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index 00000000..ce88f550
--- /dev/null
+++ b/m4/groff.m4
@@ -0,0 +1,1205 @@
+# Autoconf macros for groff.
+# Copyright (C) 1989-1995, 2001, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
+#
+# This file is part of groff.
+#
+# groff is free software; you can redistribute it and/or modify it under
+# the terms of the GNU General Public License as published by the Free
+# Software Foundation; either version 2, or (at your option) any later
+# version.
+#
+# groff is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+# for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with groff; see the file COPYING. If not, write to the Free Software
+# Foundation, 51 Franklin St - Fifth Floor, Boston, MA 02110-1301, USA.
+
+AC_DEFUN([GROFF_PRINT],
+ [if test -z "$PSPRINT"; then
+ AC_CHECK_PROGS([LPR], [lpr])
+ AC_CHECK_PROGS([LP], [lp])
+ if test -n "$LPR" && test -n "$LP"; then
+ # HP-UX provides an lpr command that emulates lpr using lp,
+ # but it doesn't have lpq; in this case we want to use lp
+ # rather than lpr.
+ AC_CHECK_PROGS([LPQ], [lpq])
+ test -n "$LPQ" || LPR=
+ fi
+ if test -n "$LPR"; then
+ PSPRINT="$LPR"
+ elif test -n "$LP"; then
+ PSPRINT="$LP"
+ fi
+ fi
+ AC_SUBST([PSPRINT])
+ AC_MSG_CHECKING([for command to use for printing PostScript files])
+ AC_MSG_RESULT([$PSPRINT])
+
+ # Figure out DVIPRINT from PSPRINT.
+ AC_MSG_CHECKING([for command to use for printing dvi files])
+ if test -n "$PSPRINT" && test -z "$DVIPRINT"; then
+ if test "x$PSPRINT" = "xlpr"; then
+ DVIPRINT="lpr -d"
+ else
+ DVIPRINT="$PSPRINT"
+ fi
+ fi
+ AC_SUBST([DVIPRINT])
+ AC_MSG_RESULT([$DVIPRINT])])
+
+# Bison generated parsers have problems with C++ compilers other than g++.
+# So byacc is preferred over bison.
+
+AC_DEFUN([GROFF_PROG_YACC],
+ [AC_CHECK_PROGS([YACC], [byacc 'bison -y'], [yacc])])
+
+# We need makeinfo 4.8 or newer.
+
+AC_DEFUN([GROFF_MAKEINFO],
+ [missing=
+ AC_CHECK_PROG([MAKEINFO], [makeinfo], [makeinfo])
+ if test -z "$MAKEINFO"; then
+ missing="\`makeinfo' is missing."
+ else
+ AC_MSG_CHECKING([for makeinfo version])
+ # We need an additional level of quoting to make sed's regexps work.
+ [makeinfo_version=`$MAKEINFO --version 2>&1 \
+ | sed -e 's/^.* \([^ ][^ ]*\)$/\1/' -e '1q'`]
+ AC_MSG_RESULT([$makeinfo_version])
+ # Consider only the first two numbers in version number string.
+ [makeinfo_version_major=`echo $makeinfo_version \
+ | sed 's/^\([0-9]*\).*$/\1/'`]
+ if test -z "$makeinfo_version_major"; then
+ makeinfo_version_major=0
+ makeinfo_version_minor=0
+ else
+ [makeinfo_version_minor=`echo $makeinfo_version \
+ | sed 's/^[^.][^.]*\(.*\)$/\1/'`]
+ # No minor version number at all?
+ if test -z "$makeinfo_version_minor"; then
+ makeinfo_version_minor=0
+ else
+ [makeinfo_version_minor=`echo $makeinfo_version_minor \
+ | sed 's/\.\([0-9]*\).*$/\1/'`]
+ if test -z "$makeinfo_version_minor"; then
+ makeinfo_version_minor=0
+ fi
+ fi
+ fi
+ fi
+ makeinfo_version_numeric=`expr $makeinfo_version_major '*' 1000 \
+ '+' $makeinfo_version_minor`
+ if test $makeinfo_version_numeric -lt 4008; then
+ missing="\`makeinfo' is too old."
+ fi
+
+ if test -n "$missing"; then
+ if test ! -f doc/groff.info \
+ || test ${srcdir}/doc/groff.texinfo -nt doc/groff.info; then
+ AC_MSG_ERROR($missing
+[Get the `texinfo' package version 4.8 or newer.])
+ else
+ AC_MSG_WARN($missing
+[Get the `texinfo' package version 4.8 or newer if you want to convert
+`groff.texinfo' into a PDF or HTML document.])
+ fi
+ fi
+ AC_SUBST([MAKEINFO])])
+
+# The following programs are needed for grohtml.
+
+AC_DEFUN([GROFF_HTML_PROGRAMS],
+ [AC_REQUIRE([GROFF_GHOSTSCRIPT_PATH])
+ make_html=html
+ make_install_html=install_html
+
+ missing=
+ AC_FOREACH([groff_prog],
+ [pnmcut pnmcrop pnmtopng psselect pnmtops],
+ [AC_CHECK_PROG(groff_prog, groff_prog, [found], [missing])
+ if test $[]groff_prog = missing; then
+ missing="$missing \`groff_prog'"
+ fi;])
+
+ test "$GHOSTSCRIPT" = "missing" && missing="$missing \`gs'"
+
+ if test -n "$missing"; then
+ plural=`set $missing; test $[#] -gt 1 && echo s`
+ missing=`set $missing
+ missing=""
+ while test $[#] -gt 0
+ do
+ case $[#] in
+ 1) missing="$missing$[1]" ;;
+ 2) missing="$missing$[1] and " ;;
+ *) missing="$missing$[1], " ;;
+ esac
+ shift
+ done
+ echo $missing`
+
+ make_html=
+ make_install_html=
+
+ AC_MSG_WARN([missing program$plural:
+
+ The program$plural
+ $missing
+ cannot be found in the PATH.
+ Consequently, groff's HTML backend (grohtml) will not work properly;
+ therefore, it will neither be possible to prepare, nor to install,
+ documentation in HTML format.
+ ])
+ fi
+
+ AC_SUBST([make_html])
+ AC_SUBST([make_install_html])])
+
+# To produce PDF docs, we need both awk and ghostscript.
+
+AC_DEFUN([GROFF_PDFDOC_PROGRAMS],
+ [AC_REQUIRE([GROFF_AWK_PATH])
+ AC_REQUIRE([GROFF_GHOSTSCRIPT_PATH])
+
+ make_pdfdoc=pdfdoc
+ make_install_pdfdoc=install_pdfdoc
+
+ missing=""
+ test "$AWK" = missing && missing="\`awk'"
+ test "$GHOSTSCRIPT" = missing && missing="$missing \`gs'"
+ if test -n "$missing"; then
+ plural=`set $missing; test $[#] -eq 2 && echo s`
+ test x$plural = xs \
+ && missing=`set $missing; echo "$[1] and $[2]"` \
+ || missing=`echo $missing`
+
+ make_pdfdoc=
+ make_install_pdfdoc=
+
+ AC_MSG_WARN([missing program$plural:
+
+ The program$plural $missing cannot be found in the PATH.
+ Consequently, groff's PDF formatter (pdfroff) will not work properly;
+ therefore, it will neither be possible to prepare, nor to install,
+ documentation in PDF format.
+ ])
+ fi
+
+ AC_SUBST([make_pdfdoc])
+ AC_SUBST([make_install_pdfdoc])])
+
+# Check whether pnmtops can handle the -nosetpage option.
+
+AC_DEFUN([GROFF_PNMTOPS_NOSETPAGE],
+ [AC_MSG_CHECKING([whether pnmtops can handle the -nosetpage option])
+ if echo P2 2 2 255 0 1 2 0 | pnmtops -nosetpage > /dev/null 2>&1 ; then
+ AC_MSG_RESULT([yes])
+ pnmtops_nosetpage="pnmtops -nosetpage"
+ else
+ AC_MSG_RESULT([no])
+ pnmtops_nosetpage="pnmtops"
+ fi
+ AC_SUBST([pnmtops_nosetpage])])
+
+# Check location of `gs'; allow `--with-gs=PROG' option to override.
+
+AC_DEFUN([GROFF_GHOSTSCRIPT_PATH],
+ [AC_REQUIRE([GROFF_GHOSTSCRIPT_PREFS])
+ AC_ARG_WITH([gs],
+ [AS_HELP_STRING([--with-gs=PROG],
+ [actual [/path/]name of ghostscript executable])],
+ [GHOSTSCRIPT=$withval],
+ [AC_CHECK_TOOLS(GHOSTSCRIPT, [$ALT_GHOSTSCRIPT_PROGS], [missing])])
+ test "$GHOSTSCRIPT" = "no" && GHOSTSCRIPT=missing])
+
+# Preferences for choice of `gs' program...
+# (allow --with-alt-gs="LIST" to override).
+
+AC_DEFUN([GROFF_GHOSTSCRIPT_PREFS],
+ [AC_ARG_WITH([alt-gs],
+ [AS_HELP_STRING([--with-alt-gs=LIST],
+ [alternative names for ghostscript executable])],
+ [ALT_GHOSTSCRIPT_PROGS="$withval"],
+ [ALT_GHOSTSCRIPT_PROGS="gs gswin32c gsos2"])
+ AC_SUBST([ALT_GHOSTSCRIPT_PROGS])])
+
+# Check location of `awk'; allow `--with-awk=PROG' option to override.
+
+AC_DEFUN([GROFF_AWK_PATH],
+ [AC_REQUIRE([GROFF_AWK_PREFS])
+ AC_ARG_WITH([awk],
+ [AS_HELP_STRING([--with-awk=PROG],
+ [actual [/path/]name of awk executable])],
+ [AWK=$withval],
+ [AC_CHECK_TOOLS(AWK, [$ALT_AWK_PROGS], [missing])])
+ test "$AWK" = "no" && AWK=missing])
+
+# Preferences for choice of `awk' program; allow --with-alt-awk="LIST"
+# to override.
+
+AC_DEFUN([GROFF_AWK_PREFS],
+ [AC_ARG_WITH([alt-awk],
+ [AS_HELP_STRING([--with-alt-awk=LIST],
+ [alternative names for awk executable])],
+ [ALT_AWK_PROGS="$withval"],
+ [ALT_AWK_PROGS="gawk mawk nawk awk"])
+ AC_SUBST([ALT_AWK_PROGS])])
+
+# GROFF_CSH_HACK(if hack present, if not present)
+
+AC_DEFUN([GROFF_CSH_HACK],
+ [AC_MSG_CHECKING([for csh hash hack])
+
+cat <<EOF >conftest.sh
+#! /bin/sh
+true || exit 0
+export PATH || exit 0
+exit 1
+EOF
+
+ chmod +x conftest.sh
+ if echo ./conftest.sh | (csh >/dev/null 2>&1) >/dev/null 2>&1; then
+ AC_MSG_RESULT([yes])
+ $1
+ else
+ AC_MSG_RESULT([no])
+ $2
+ fi
+ rm -f conftest.sh])
+
+# From udodo!hans@relay.NL.net (Hans Zuidam)
+
+AC_DEFUN([GROFF_ISC_SYSV3],
+ [AC_MSG_CHECKING([for ISC 3.x or 4.x])
+ if grep ['[34]\.'] /usr/options/cb.name >/dev/null 2>&1
+ then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([_SYSV3], [1], [Define if you have ISC 3.x or 4.x.])
+ else
+ AC_MSG_RESULT([no])
+ fi])
+
+AC_DEFUN([GROFF_POSIX],
+ [AC_MSG_CHECKING([whether -D_POSIX_SOURCE is necessary])
+ AC_LANG_PUSH([C++])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <stdio.h>
+extern "C" { void fileno(int); }
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([_POSIX_SOURCE], [1],
+ [Define if -D_POSIX_SOURCE is necessary.])],
+ [AC_MSG_RESULT([no])])
+ AC_LANG_POP([C++])])
+
+# srand() of SunOS 4.1.3 has return type int instead of void
+
+AC_DEFUN([GROFF_SRAND],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([for return type of srand])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <stdlib.h>
+extern "C" { void srand(unsigned int); }
+
+ ]])
+ ],
+ [AC_MSG_RESULT([void])
+ AC_DEFINE([RET_TYPE_SRAND_IS_VOID], [1],
+ [Define if srand() returns void not int.])],
+ [AC_MSG_RESULT([int])])
+ AC_LANG_POP([C++])])
+
+# In April 2005, autoconf's AC_TYPE_SIGNAL is still broken.
+
+AC_DEFUN([GROFF_TYPE_SIGNAL],
+ [AC_MSG_CHECKING([for return type of signal handlers])
+ for groff_declaration in \
+ 'extern "C" void (*signal (int, void (*)(int)))(int);' \
+ 'extern "C" void (*signal (int, void (*)(int)) throw ())(int);' \
+ 'void (*signal ()) ();'
+ do
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <sys/types.h>
+#include <signal.h>
+#ifdef signal
+# undef signal
+#endif
+$groff_declaration
+
+ ]],
+ [[
+
+int i;
+
+ ]])
+ ],
+ [break],
+ [continue])
+ done
+
+ if test -n "$groff_declaration"; then
+ AC_MSG_RESULT([void])
+ AC_DEFINE([RETSIGTYPE], [void],
+ [Define as the return type of signal handlers
+ (`int' or `void').])
+ else
+ AC_MSG_RESULT([int])
+ AC_DEFINE([RETSIGTYPE], [int],
+ [Define as the return type of signal handlers
+ (`int' or `void').])
+ fi])
+
+AC_DEFUN([GROFF_SYS_NERR],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([for sys_nerr in <errno.h>, <stdio.h>, or <stdlib.h>])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+ ]],
+ [[
+
+int k;
+k = sys_nerr;
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_SYS_NERR], [1],
+ [Define if you have sys_nerr in <errno.h>, <stdio.h>, or <stdio.h>.])],
+ [AC_MSG_RESULT([no])])
+ AC_LANG_POP([C++])])
+
+AC_DEFUN([GROFF_SYS_ERRLIST],
+ [AC_MSG_CHECKING([for sys_errlist[] in <errno.h>, <stdio.h>, or <stdlib.h>])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+ ]],
+ [[
+
+int k;
+k = (int)sys_errlist[0];
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_SYS_ERRLIST], [1],
+ [Define if you have sys_errlist in <errno.h>, <stdio.h>, or <stdlib.h>.])],
+ [AC_MSG_RESULT([no])])])
+
+AC_DEFUN([GROFF_OSFCN_H],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([C++ <osfcn.h>])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <osfcn.h>
+
+ ]],
+ [[
+
+read(0, 0, 0);
+open(0, 0);
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_CC_OSFCN_H], [1],
+ [Define if you have a C++ <osfcn.h>.])],
+ [AC_MSG_RESULT([no])])
+ AC_LANG_POP([C++])])
+
+AC_DEFUN([GROFF_LIMITS_H],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([C++ <limits.h>])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <limits.h>
+
+ ]],
+ [[
+
+int x = INT_MIN;
+int y = INT_MAX;
+int z = UCHAR_MAX;
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_CC_LIMITS_H], [1],
+ [Define if you have a C++ <limits.h>.])],
+ [AC_MSG_RESULT([no])])
+ AC_LANG_POP([C++])])
+
+AC_DEFUN([GROFF_TIME_T],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([for declaration of time_t])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <time.h>
+
+ ]],
+ [[
+
+time_t t = time(0);
+struct tm *p = localtime(&t);
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_DEFINE([LONG_FOR_TIME_T], [1],
+ [Define if localtime() takes a long * not a time_t *.])])
+ AC_LANG_POP([C++])])
+
+AC_DEFUN([GROFF_STRUCT_EXCEPTION],
+ [AC_MSG_CHECKING([struct exception])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <math.h>
+
+ ]],
+ [[
+
+struct exception e;
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_STRUCT_EXCEPTION], [1],
+ [Define if <math.h> defines struct exception.])],
+ [AC_MSG_RESULT([no])])])
+
+AC_DEFUN([GROFF_ARRAY_DELETE],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([whether ANSI array delete syntax is supported])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM(, [[
+
+char *p = new char[5];
+delete [] p;
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_DEFINE([ARRAY_DELETE_NEEDS_SIZE], [1],
+ [Define if your C++ doesn't understand `delete []'.])])
+ AC_LANG_POP([C++])])
+
+AC_DEFUN([GROFF_TRADITIONAL_CPP],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([traditional preprocessor])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#define name2(a, b) a/**/b
+
+ ]],
+ [[
+
+int name2(foo, bar);
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([TRADITIONAL_CPP], [1],
+ [Define if your C++ compiler uses a traditional (Reiser) preprocessor.])],
+ [AC_MSG_RESULT([no])])
+ AC_LANG_POP([C++])])
+
+AC_DEFUN([GROFF_WCOREFLAG],
+ [AC_MSG_CHECKING([w_coredump])
+ AC_RUN_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <sys/types.h>
+#include <sys/wait.h>
+
+ ]],
+ [[
+
+main()
+{
+#ifdef WCOREFLAG
+ exit(1);
+#else
+ int i = 0;
+ ((union wait *)&i)->w_coredump = 1;
+ exit(i != 0200);
+#endif
+}
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE(WCOREFLAG, 0200,
+ [Define if the 0200 bit of the status returned by wait() indicates
+ whether a core image was produced for a process that was terminated
+ by a signal.])],
+ [AC_MSG_RESULT([no])],
+ [AC_MSG_RESULT([no])])])
+
+AC_DEFUN([GROFF_BROKEN_SPOOLER_FLAGS],
+ [AC_MSG_CHECKING([default value for grops -b option])
+ test -n "${BROKEN_SPOOLER_FLAGS}" || BROKEN_SPOOLER_FLAGS=0
+ AC_MSG_RESULT([$BROKEN_SPOOLER_FLAGS])
+ AC_SUBST([BROKEN_SPOOLER_FLAGS])])
+
+AC_DEFUN([GROFF_PAGE],
+ [AC_MSG_CHECKING([default paper size])
+ groff_prefix=$prefix
+ test "x$prefix" = "xNONE" && groff_prefix=$ac_default_prefix
+ if test -z "$PAGE"; then
+ descfile=
+ if test -r $groff_prefix/share/groff/font/devps/DESC; then
+ descfile=$groff_prefix/share/groff/font/devps/DESC
+ elif test -r $groff_prefix/lib/groff/font/devps/DESC; then
+ descfile=$groff_prefix/lib/groff/font/devps/DESC
+ else
+ for f in $groff_prefix/share/groff/*/font/devps/DESC; do
+ if test -r $f; then
+ descfile=$f
+ break
+ fi
+ done
+ fi
+
+ if test -n "$descfile"; then
+ if grep ['^paperlength[ ]\+841890'] $descfile >/dev/null 2>&1; then
+ PAGE=A4
+ elif grep ['^papersize[ ]\+[aA]4'] $descfile >/dev/null 2>&1; then
+ PAGE=A4
+ fi
+ fi
+ fi
+
+ if test -z "$PAGE"; then
+ dom=`awk '([$]1 == "dom" || [$]1 == "search") { print [$]2; exit}' \
+ /etc/resolv.conf 2>/dev/null`
+ if test -z "$dom"; then
+ dom=`(domainname) 2>/dev/null | tr -d '+'`
+ if test -z "$dom" \
+ || test "$dom" = '(none)'; then
+ dom=`(hostname) 2>/dev/null | grep '\.'`
+ fi
+ fi
+ # If the top-level domain is two letters and it's not `us' or `ca'
+ # then they probably use A4 paper.
+ case "$dom" in
+ [*.[Uu][Ss]|*.[Cc][Aa])]
+ ;;
+ [*.[A-Za-z][A-Za-z])]
+ PAGE=A4 ;;
+ esac
+ fi
+
+ test -n "$PAGE" || PAGE=letter
+ if test "x$PAGE" = "xA4"; then
+ AC_DEFINE([PAGEA4], [1],
+ [Define if the printer's page size is A4.])
+ fi
+ AC_MSG_RESULT([$PAGE])
+ AC_SUBST([PAGE])])
+
+AC_DEFUN([GROFF_CXX_CHECK],
+ [AC_REQUIRE([AC_PROG_CXX])
+ AC_LANG_PUSH([C++])
+ if test "$cross_compiling" = no; then
+ AC_MSG_CHECKING([that C++ compiler can compile simple program])
+ fi
+ AC_RUN_IFELSE([
+ AC_LANG_SOURCE([[
+
+int main() {
+ return 0;
+}
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_ERROR([a working C++ compiler is required])],
+ [:])
+
+ if test "$cross_compiling" = no; then
+ AC_MSG_CHECKING([that C++ static constructors and destructors are called])
+ fi
+ AC_RUN_IFELSE([
+ AC_LANG_SOURCE([[
+
+extern "C" {
+ void _exit(int);
+}
+
+int i;
+struct A {
+ char dummy;
+ A() { i = 1; }
+ ~A() { if (i == 1) _exit(0); }
+};
+
+A a;
+
+int main()
+{
+ return 1;
+}
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ AC_MSG_ERROR([a working C++ compiler is required])],
+ [:])
+
+ AC_MSG_CHECKING([that header files support C++])
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <stdio.h>
+
+ ]],
+ [[
+
+fopen(0, 0);
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])],
+ [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++)])])
+ AC_LANG_POP([C++])])
+
+AC_DEFUN([GROFF_TMAC],
+ [AC_MSG_CHECKING([for prefix of system macro packages])
+ sys_tmac_prefix=
+ sys_tmac_file_prefix=
+ for d in /usr/share/lib/tmac /usr/lib/tmac; do
+ for t in "" tmac.; do
+ for m in an s m; do
+ f=$d/$t$m
+ if test -z "$sys_tmac_prefix" \
+ && test -f $f \
+ && grep '^\.if' $f >/dev/null 2>&1; then
+ sys_tmac_prefix=$d/$t
+ sys_tmac_file_prefix=$t
+ fi
+ done
+ done
+ done
+ AC_MSG_RESULT([$sys_tmac_prefix])
+ AC_SUBST([sys_tmac_prefix])
+
+ AC_MSG_CHECKING([which system macro packages should be made available])
+ tmac_wrap=
+ if test "x$sys_tmac_file_prefix" = "xtmac."; then
+ for f in $sys_tmac_prefix*; do
+ suff=`echo $f | sed -e "s;$sys_tmac_prefix;;"`
+ case "$suff" in
+ e)
+ ;;
+ *)
+ 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])])
+
+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])])
+
+# We need the path to install-sh to be absolute.
+
+AC_DEFUN([GROFF_INSTALL_SH],
+ [AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])
+ ac_dir=`cd $ac_aux_dir; pwd`
+ ac_install_sh="$ac_dir/install-sh -c"])
+
+# Test whether install-info is available.
+
+AC_DEFUN([GROFF_INSTALL_INFO],
+ [AC_CHECK_PROGS([INSTALL_INFO], [install-info], [:])])
+
+# At least one UNIX system, Apple Macintosh Rhapsody 5.5,
+# does not have -lm ...
+
+AC_DEFUN([GROFF_LIBM],
+ [AC_CHECK_LIB([m], [sin], [LIBM=-lm])
+ AC_SUBST([LIBM])])
+
+# ... while the MinGW implementation of GCC for Microsoft Win32
+# does not seem to have -lc.
+
+AC_DEFUN([GROFF_LIBC],
+ [AC_CHECK_LIB([c], [main], [LIBC=-lc])
+ AC_SUBST([LIBC])])
+
+# Check for EBCDIC -- stolen from the OS390 Unix LYNX port
+
+AC_DEFUN([GROFF_EBCDIC],
+ [AC_MSG_CHECKING([whether character set is EBCDIC])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+/* 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])])
+
+# Check for OS/390 Unix. We test for EBCDIC also -- the Linux port (with
+# gcc) to OS/390 uses ASCII internally.
+
+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])
+
+# Check whether we need a declaration for a function.
+#
+# Stolen from GNU bfd.
+
+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_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#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 ]$1[().])
+ fi
+ AC_LANG_POP([C++])])
+
+# If mkstemp() isn't available, use our own mkstemp.cpp file.
+
+AC_DEFUN([GROFF_MKSTEMP],
+ [AC_MSG_CHECKING([for mkstemp])
+ AC_LANG_PUSH([C++])
+ AC_LIBSOURCE([mkstemp.cpp])
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <stdlib.h>
+#include <unistd.h>
+int (*f) (char *);
+
+ ]],
+ [[
+
+f = mkstemp;
+
+ ]])
+ ],
+ [AC_MSG_RESULT([yes])
+ AC_DEFINE([HAVE_MKSTEMP], [1], [Define if you have mkstemp().])],
+ [AC_MSG_RESULT([no])
+ _AC_LIBOBJ([mkstemp])])
+ AC_LANG_POP([C++])])
+
+# Test whether <inttypes.h> exists, doesn't clash with <sys/types.h>,
+# and declares uintmax_t. Taken from the fileutils package.
+
+AC_DEFUN([GROFF_INTTYPES_H],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([C++ <inttypes.h>])
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <sys/types.h>
+#include <inttypes.h>
+
+ ]],
+ [[
+
+uintmax_t i = (uintmax_t)-1;
+
+ ]])
+ ],
+ [groff_cv_header_inttypes_h=yes
+ AC_DEFINE([HAVE_CC_INTTYPES_H], [1],
+ [Define if you have a C++ <inttypes.h>.])],
+ [groff_cv_header_inttypes_h=no])
+ AC_MSG_RESULT([$groff_cv_header_inttypes_h])
+ AC_LANG_POP([C++])])
+
+# Test for working `unsigned long long'. Taken from the fileutils package.
+
+AC_DEFUN([GROFF_UNSIGNED_LONG_LONG],
+ [AC_LANG_PUSH([C++])
+ AC_MSG_CHECKING([for unsigned long long])
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+
+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++])])
+
+# Define uintmax_t to `unsigned long' or `unsigned long long'
+# if <inttypes.h> does not exist. Taken from the fileutils package.
+
+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])
+
+# Identify PATH_SEPARATOR character to use in GROFF_FONT_PATH and
+# GROFF_TMAC_PATH which is appropriate for the target system (POSIX=':',
+# MS-DOS/Win32=';').
+#
+# The logic to resolve this test is already encapsulated in
+# `${srcdir}/src/include/nonposix.h'.
+
+AC_DEFUN([GROFF_TARGET_PATH_SEPARATOR],
+ [AC_MSG_CHECKING([separator character to use in groff search paths])
+ cp ${srcdir}/src/include/nonposix.h conftest.h
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <ctype.h>
+#include "conftest.h"
+
+ ]],
+ [[
+
+#if PATH_SEP_CHAR == ';'
+make an error "Path separator is ';'"
+#endif
+
+ ]])
+ ],
+ [GROFF_PATH_SEPARATOR=":"],
+ [GROFF_PATH_SEPARATOR=";"])
+ AC_MSG_RESULT([$GROFF_PATH_SEPARATOR])
+ AC_SUBST(GROFF_PATH_SEPARATOR)])
+
+# Check for X11.
+
+AC_DEFUN([GROFF_X11],
+ [AC_REQUIRE([AC_PATH_XTRA])
+ groff_no_x=$no_x
+ if test -z "$groff_no_x"; then
+ OLDCFLAGS=$CFLAGS
+ OLDLDFLAGS=$LDFLAGS
+ OLDLIBS=$LIBS
+ CFLAGS="$CFLAGS $X_CFLAGS"
+ LDFLAGS="$LDFLAGS $X_LIBS"
+ LIBS="$LIBS $X_PRE_LIBS -lX11 $X_EXTRA_LIBS"
+
+ LIBS="$LIBS -lXaw"
+ AC_MSG_CHECKING([for Xaw library and header files])
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <X11/Intrinsic.h>
+#include <X11/Xaw/Simple.h>
+
+ ]],
+ [])
+ ],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ groff_no_x="yes"])
+
+ LIBS="$LIBS -lXmu"
+ AC_MSG_CHECKING([for Xmu library and header files])
+ AC_LINK_IFELSE([
+ AC_LANG_PROGRAM([[
+
+#include <X11/Intrinsic.h>
+#include <X11/Xmu/Converters.h>
+
+ ]],
+ [])
+ ],
+ [AC_MSG_RESULT([yes])],
+ [AC_MSG_RESULT([no])
+ groff_no_x="yes"])
+
+ CFLAGS=$OLDCFLAGS
+ LDFLAGS=$OLDLDFLAGS
+ LIBS=$OLDLIBS
+ fi
+
+ if test "x$groff_no_x" = "xyes"; then
+ AC_MSG_NOTICE([gxditview and xtotroff won't be built])
+ else
+ XDEVDIRS="font/devX75 font/devX75-12 font/devX100 font/devX100-12"
+ XPROGDIRS="src/devices/xditview src/utils/xtotroff"
+ XLIBDIRS="src/libs/libxutil"
+ fi
+
+ AC_SUBST([XDEVDIRS])
+ AC_SUBST([XPROGDIRS])
+ AC_SUBST([XLIBDIRS])])
+
+# Set up the `--with-appresdir' command line option.
+
+AC_DEFUN([GROFF_APPRESDIR_OPTION],
+ [AC_ARG_WITH([appresdir],
+ dnl Don't quote AS_HELP_STRING!
+ AS_HELP_STRING([--with-appresdir=DIR],
+ [X11 application resource files]))])
+
+# Get a default value for the application resource directory.
+#
+# We ignore the `XAPPLRES' and `XUSERFILESEARCHPATH' environment variables.
+#
+# The goal is to find the `root' of X11. Under most systems this is
+# `/usr/X11/lib'. Application default files are then in
+# `/usr/X11/lib/X11/app-defaults'.
+#
+# Based on autoconf's AC_PATH_X macro.
+
+AC_DEFUN([GROFF_APPRESDIR_DEFAULT],
+ [if test -z "$groff_no_x"; then
+ # Create an Imakefile, run `xmkmf', then `make'.
+ rm -f -r conftest.dir
+ if mkdir conftest.dir; then
+ cd conftest.dir
+ # Make sure to not put `make' in the Imakefile rules,
+ # since we grep it out.
+ cat >Imakefile <<'EOF'
+
+xlibdirs:
+ @echo 'groff_x_usrlibdir="${USRLIBDIR}"; groff_x_libdir="${LIBDIR}"'
+EOF
+
+ if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then
+ # GNU make sometimes prints "make[1]: Entering...",
+ # which would confuse us.
+ eval `${MAKE-make} xlibdirs 2>/dev/null | grep -v make`
+
+ # Open Windows `xmkmf' reportedly sets LIBDIR instead of USRLIBDIR.
+ for groff_extension in a so sl; do
+ if test ! -f $groff_x_usrlibdir/libX11.$groff_extension &&
+ test -f $groff_x_libdir/libX11.$groff_extension; then
+ groff_x_usrlibdir=$groff_x_libdir
+ break
+ fi
+ done
+ fi
+
+ cd ..
+ rm -f -r conftest.dir
+ fi
+
+ # In case the test with `xmkmf' wasn't successful, try a suite of
+ # standard directories. Check `X11' before `X11Rn' because it is often
+ # a symlink to the current release.
+ groff_x_libdirs='
+ /usr/X11/lib
+ /usr/X11R6/lib
+ /usr/X11R5/lib
+ /usr/X11R4/lib
+
+ /usr/lib/X11
+ /usr/lib/X11R6
+ /usr/lib/X11R5
+ /usr/lib/X11R4
+
+ /usr/local/X11/lib
+ /usr/local/X11R6/lib
+ /usr/local/X11R5/lib
+ /usr/local/X11R4/lib
+
+ /usr/local/lib/X11
+ /usr/local/lib/X11R6
+ /usr/local/lib/X11R5
+ /usr/local/lib/X11R4
+
+ /usr/X386/lib
+ /usr/x386/lib
+ /usr/XFree86/lib/X11
+
+ /usr/lib
+ /usr/local/lib
+ /usr/unsupported/lib
+ /usr/athena/lib
+ /usr/local/x11r5/lib
+ /usr/lpp/Xamples/lib
+
+ /usr/openwin/lib
+ /usr/openwin/share/lib'
+
+ if test -z "$groff_x_usrlibdir"; then
+ # We only test whether libX11 exists.
+ for groff_dir in $groff_x_libdirs; do
+ for groff_extension in a so sl; do
+ if test ! -r $groff_dir/libX11.$groff_extension; then
+ groff_x_usrlibdir=$groff_dir
+ break 2
+ fi
+ done
+ done
+ fi
+
+ if test "x$with_appresdir" = "x"; then
+ appresdir=$groff_x_usrlibdir/X11/app-defaults
+ else
+ appresdir=$with_appresdir
+ fi
+ fi
+ AC_SUBST([appresdir])])
+
+
+# Emit warning if --with-appresdir hasn't been used.
+
+AC_DEFUN([GROFF_APPRESDIR_CHECK],
+ [if test -z "$groff_no_x"; then
+ if test "x$with_appresdir" = "x"; then
+ AC_MSG_NOTICE([
+
+ The application resource file for gxditview will be installed as
+
+ $appresdir/GXditview
+
+ (an existing file will be saved as `GXditview.old').
+ To install it into a different directory, say, `/etc/gxditview',
+ add `--with-appresdir=/etc/gxditview' to the configure script
+ command line options and rerun it. The environment variable
+ `APPLRESDIR' must then be set to `/etc/' (note the trailing slash),
+ omitting the `gxditview' part which is automatically appended by
+ the X11 searching routines for resource files. More details can be
+ found in the X(7) manual page.
+ ])
+ fi
+ fi])