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Diffstat (limited to 'm4/groff.m4')
-rw-r--r-- | m4/groff.m4 | 1205 |
1 files changed, 1205 insertions, 0 deletions
diff --git a/m4/groff.m4 b/m4/groff.m4 new file mode 100644 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]) |