dnl Macros that test for specific features. dnl This file is part of the Autoconf packaging for Ethereal. dnl Copyright (C) 1998-2000 by Gerald Combs. dnl dnl $Id: acinclude.m4,v 1.6 2003/12/17 02:41:04 guy Exp $ dnl dnl This program is free software; you can redistribute it and/or modify dnl it under the terms of the GNU General Public License as published by dnl the Free Software Foundation; either version 2, or (at your option) dnl any later version. dnl dnl This program is distributed in the hope that it will be useful, dnl but WITHOUT ANY WARRANTY; without even the implied warranty of dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the dnl GNU General Public License for more details. dnl dnl You should have received a copy of the GNU General Public License dnl along with this program; if not, write to the Free Software dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA dnl 02111-1307, USA. dnl dnl As a special exception, the Free Software Foundation gives unlimited dnl permission to copy, distribute and modify the configure scripts that dnl are the output of Autoconf. You need not follow the terms of the GNU dnl General Public License when using or distributing such scripts, even dnl though portions of the text of Autoconf appear in them. The GNU dnl General Public License (GPL) does govern all other use of the material dnl that constitutes the Autoconf program. dnl dnl Certain portions of the Autoconf source text are designed to be copied dnl (in certain cases, depending on the input) into the output of dnl Autoconf. We call these the "data" portions. The rest of the Autoconf dnl source text consists of comments plus executable code that decides which dnl of the data portions to output in any given case. We call these dnl comments and executable code the "non-data" portions. Autoconf never dnl copies any of the non-data portions into its output. dnl dnl This special exception to the GPL applies to versions of Autoconf dnl released by the Free Software Foundation. When you make and dnl distribute a modified version of Autoconf, you may extend this special dnl exception to the GPL to apply to your modified version as well, *unless* dnl your modified version has the potential to copy into its output some dnl of the text that was the non-data portion of the version that you started dnl with. (In other words, unless your change moves or copies text from dnl the non-data portions to the data portions.) If your modification has dnl such potential, you must delete any notice of this special exception dnl to the GPL from your modified version. dnl dnl Written by David MacKenzie, with help from dnl Franc,ois Pinard, Karl Berry, Richard Pixley, Ian Lance Taylor, dnl Roland McGrath, Noah Friedman, david d zuhn, and many others. # # AC_ETHEREAL_IPV6_STACK # # By Jun-ichiro "itojun" Hagino, # AC_DEFUN(AC_ETHEREAL_IPV6_STACK, [ v6type=unknown v6lib=none AC_MSG_CHECKING([ipv6 stack type]) for i in v6d toshiba kame inria zeta linux linux-glibc; do case $i in v6d) AC_EGREP_CPP(yes, [ #include #ifdef __V6D__ yes #endif], [v6type=$i; v6lib=v6; v6libdir=/usr/local/v6/lib; CFLAGS="-I/usr/local/v6/include $CFLAGS"]) ;; toshiba) AC_EGREP_CPP(yes, [ #include #ifdef _TOSHIBA_INET6 yes #endif], [v6type=$i; v6lib=inet6; v6libdir=/usr/local/v6/lib; CFLAGS="-DINET6 $CFLAGS"]) ;; kame) AC_EGREP_CPP(yes, [ #include #ifdef __KAME__ yes #endif], [v6type=$i; v6lib=inet6; v6libdir=/usr/local/v6/lib; CFLAGS="-DINET6 $CFLAGS"]) ;; inria) AC_EGREP_CPP(yes, [ #include #ifdef IPV6_INRIA_VERSION yes #endif], [v6type=$i; CFLAGS="-DINET6 $CFLAGS"]) ;; zeta) AC_EGREP_CPP(yes, [ #include #ifdef _ZETA_MINAMI_INET6 yes #endif], [v6type=$i; v6lib=inet6; v6libdir=/usr/local/v6/lib; CFLAGS="-DINET6 $CFLAGS"]) ;; linux) if test -d /usr/inet6; then v6type=$i v6lib=inet6 v6libdir=/usr/inet6 CFLAGS="-DINET6 $CFLAGS" fi ;; linux-glibc) AC_EGREP_CPP(yes, [ #include #if defined(__GLIBC__) && defined(__GLIBC_MINOR__) #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 1) || __GLIBC__ > 2 yes #endif #endif], [v6type=$i; v6lib=inet6; CFLAGS="-DINET6 $CFLAGS"]) ;; esac if test "$v6type" != "unknown"; then break fi done if test "$v6lib" != "none"; then for dir in $v6libdir /usr/local/v6/lib /usr/local/lib; do if test -d $dir -a -f $dir/lib$v6lib.a; then LIBS="-L$dir $LIBS -l$v6lib" break fi done enable_ipv6="yes" else enable_ipv6="no" fi AC_MSG_RESULT(["$v6type, $v6lib"]) ]) # # AC_ETHEREAL_ADNS_CHECK # AC_DEFUN(AC_ETHEREAL_ADNS_CHECK, [ want_adns=defaultyes AC_ARG_WITH(adns, changequote(<<, >>)dnl << --with-adns[=DIR] use GNU ADNS (located in directory DIR, if supplied). [default=yes, if present]>>, changequote([, ])dnl [ if test "x$withval" = "xno"; then want_adns=no elif test "x$withval" = "xyes"; then want_adns=yes elif test -d "$withval"; then want_adns=yes fi ]) if test "x$want_adns" = "xdefaultyes"; then want_adns=yes fi if test "x$want_adns" = "xyes"; then AC_CHECK_LIB(adns, adns_init, AC_DEFINE(HAVE_GNU_ADNS, 1, [Define to use GNU ADNS library]),, ) else AC_MSG_RESULT(not required) fi ]) # # AC_ETHEREAL_LIBPCRE_CHECK # AC_DEFUN(AC_ETHEREAL_LIBPCRE_CHECK, [ if test "x$pcre_dir" != "x" then # # The user specified a directory in which libpcre resides, # so add the "include" subdirectory of that directory to # the include file search path and the "lib" subdirectory # of that directory to the library search path. # # XXX - if there's also a libpcre in a directory that's # already in CFLAGS, CPPFLAGS, or LDFLAGS, this won't # make us find the version in the specified directory, # as the compiler and/or linker will search that other # directory before it searches the specified directory. # ethereal_save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -I$pcre_dir/include" ethereal_save_CPPFLAGS="$CPPFLAGS" CPPFLAGS="$CPPFLAGS -I$pcre_dir/include" ethereal_save_LIBS="$LIBS" LIBS="$LIBS -lpcre" ethereal_save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L$pcre_dir/lib" fi # # Make sure we have "pcre.h". If we don't, it means we probably # don't have libpcre, so don't use it. # AC_CHECK_HEADER(pcre.h,, [ if test "x$pcre_dir" != "x" then # # The user used "--with-pcre=" to specify a directory # containing libpcre, but we didn't find the header file # there; that either means they didn't specify the # right directory or are confused about whether libpcre # is, in fact, installed. Report the error and give up. # AC_MSG_ERROR([libpcre header not found in directory specified in --with-pcre]) else if test "x$want_pcre" = "xyes" then # # The user tried to force us to use the library, but we # couldn't find the header file; report an error. # AC_MSG_ERROR(Header file pcre.h not found.) else # # We couldn't find the header file; don't use the # library, as it's probably not present. # want_pcre=no fi fi ]) if test "x$want_pcre" != "xno" then # # Well, we at least have the pcre header file. # # We're only using standard functions from libpcre, # so we don't need to perform extra checks. # AC_CHECK_LIB(pcre, pcre_compile, [ if test "x$pcre_dir" != "x" then # # Put the "-I" and "-L" flags for pcre at # the beginning of CFLAGS, CPPFLAGS, # LDFLAGS, and LIBS. # PCRE_LIBS="-L$pcre_dir/lib -lpcre $ethereal_save_LIBS" else PCRE_LIBS="-lpcre" fi AC_DEFINE(HAVE_LIBPCRE, 1, [Define to use libpcre library]) ],[ if test "x$pcre_dir" != "x" then # # Restore the versions of CFLAGS, CPPFLAGS, # LDFLAGS, and LIBS before we added the # "--with-pcre=" directory, as we didn't # actually find pcre there. # CFLAGS="$ethereal_save_CFLAGS" CPPFLAGS="$ethereal_save_CPPFLAGS" LDFLAGS="$ethereal_save_LDFLAGS" LIBS="$ethereal_save_LIBS" PCRE_LIBS="" fi want_pcre=no ]) AC_SUBST(PCRE_LIBS) fi ])