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52ebc531ce
comparison functions to always use POSIX strcasecmp(). For non-POSIX systems that use other functions (strcmpi or stricmp) use a macro to alias strcasecmp to those. If we can't find any of them (VMS, plus whatever UNIX doesn't have them) then define our own version in misc.c.
133 lines
4.7 KiB
Plaintext
133 lines
4.7 KiB
Plaintext
dnl acinclude.m4 -- Extra macros needed for GNU make.
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dnl
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dnl Automake will incorporate this into its generated aclocal.m4.
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dnl Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
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dnl Free Software Foundation, Inc.
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dnl This file is part of GNU Make.
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dnl
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dnl GNU Make is free software; you can redistribute it and/or modify it
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dnl under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 2, or (at your option)
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dnl any later version.
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dnl
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dnl GNU Make is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl General Public License 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
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dnl along with GNU Make; see the file COPYING. If not, write to the
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dnl Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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dnl MA 02110-1301 USA.
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dnl ---------------------------------------------------------------------------
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dnl Got this from the lynx 2.8 distribution.
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dnl by T.E.Dickey <dickey@clark.net>
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dnl and Jim Spath <jspath@mail.bcpl.lib.md.us>
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dnl and Philippe De Muyter <phdm@macqel.be>
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dnl
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dnl Created: 1997/1/28
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dnl Updated: 1997/12/23
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dnl ---------------------------------------------------------------------------
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dnl After checking for functions in the default $LIBS, make a further check
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dnl for the functions that are netlib-related (these aren't always in the
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dnl libc, etc., and have to be handled specially because there are conflicting
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dnl and broken implementations.
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dnl Common library requirements (in order):
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dnl -lresolv -lsocket -lnsl
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dnl -lnsl -lsocket
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dnl -lsocket
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dnl -lbsd
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AC_DEFUN([CF_NETLIBS],[
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cf_test_netlibs=no
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AC_MSG_CHECKING(for network libraries)
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AC_CACHE_VAL(cf_cv_netlibs,[
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AC_MSG_RESULT(working...)
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cf_cv_netlibs=""
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cf_test_netlibs=yes
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AC_CHECK_FUNCS(gethostname,,[
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CF_RECHECK_FUNC(gethostname,nsl,cf_cv_netlibs,[
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CF_RECHECK_FUNC(gethostname,socket,cf_cv_netlibs)])])
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#
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# FIXME: sequent needs this library (i.e., -lsocket -linet -lnsl), but
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# I don't know the entrypoints - 97/7/22 TD
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AC_CHECK_LIB(inet,main,cf_cv_netlibs="-linet $cf_cv_netlibs")
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#
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if test "$ac_cv_func_lsocket" != no ; then
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AC_CHECK_FUNCS(socket,,[
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CF_RECHECK_FUNC(socket,socket,cf_cv_netlibs,[
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CF_RECHECK_FUNC(socket,bsd,cf_cv_netlibs)])])
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fi
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#
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AC_CHECK_FUNCS(gethostbyname,,[
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CF_RECHECK_FUNC(gethostbyname,nsl,cf_cv_netlibs)])
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])
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LIBS="$LIBS $cf_cv_netlibs"
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test $cf_test_netlibs = no && echo "$cf_cv_netlibs" >&AC_FD_MSG
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Re-check on a function to see if we can pick it up by adding a library.
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dnl $1 = function to check
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dnl $2 = library to check in
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dnl $3 = environment to update (e.g., $LIBS)
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dnl $4 = what to do if this fails
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dnl
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dnl This uses 'unset' if the shell happens to support it, but leaves the
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dnl configuration variable set to 'unknown' if not. This is a little better
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dnl than the normal autoconf test, which gives misleading results if a test
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dnl for the function is made (e.g., with AC_CHECK_FUNC) after this macro is
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dnl used (autoconf does not distinguish between a null token and one that is
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dnl set to 'no').
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AC_DEFUN([CF_RECHECK_FUNC],[
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AC_CHECK_LIB($2,$1,[
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CF_UPPER(cf_tr_func,$1)
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AC_DEFINE_UNQUOTED(HAVE_$cf_tr_func,1,[Define if you have function $1])
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ac_cv_func_$1=yes
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$3="-l$2 [$]$3"],[
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ac_cv_func_$1=unknown
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unset ac_cv_func_$1 2>/dev/null
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$4],
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[[$]$3])
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl Make an uppercase version of a variable
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dnl $1=uppercase($2)
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AC_DEFUN([CF_UPPER],
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[
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changequote(,)dnl
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$1=`echo $2 | tr '[a-z]' '[A-Z]'`
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changequote([,])dnl
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])dnl
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dnl ---------------------------------------------------------------------------
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dnl From Paul Eggert <eggert@twinsun.com>
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AC_DEFUN([AC_STRUCT_ST_MTIM_NSEC],
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[AC_CACHE_CHECK([for nanoseconds field of struct stat.st_mtim],
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ac_cv_struct_st_mtim_nsec,
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[ac_save_CPPFLAGS="$CPPFLAGS"
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ac_cv_struct_st_mtim_nsec=no
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# tv_nsec -- the usual case
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# _tv_nsec -- Solaris 2.6, if
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# (defined _XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED == 1
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# && !defined __EXTENSIONS__)
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# st__tim.tv_nsec -- UnixWare 2.1.2
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for ac_val in tv_nsec _tv_nsec st__tim.tv_nsec; do
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CPPFLAGS="$ac_save_CPPFLAGS -DST_MTIM_NSEC=$ac_val"
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AC_TRY_COMPILE([#include <sys/types.h>
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#include <sys/stat.h>
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], [struct stat s; s.st_mtim.ST_MTIM_NSEC;],
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[ac_cv_struct_st_mtim_nsec=$ac_val; break])
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done
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CPPFLAGS="$ac_save_CPPFLAGS"
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])
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if test $ac_cv_struct_st_mtim_nsec != no; then
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AC_DEFINE_UNQUOTED([ST_MTIM_NSEC], [$ac_cv_struct_st_mtim_nsec],
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[Define if struct stat contains a nanoseconds field])
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fi
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]
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)
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