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dnl This file is part of GNU mailutils.
dnl Copyright (C) 2003, 2007, 2009-2012 Free Software Foundation, Inc.
dnl
dnl GNU Mailutils 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 3, or (at your option)
dnl any later version.
dnl
dnl GNU Mailutils 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 along
dnl with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>.
dnl
dnl MU_CHECK_GNUTLS([VERSION = `'],[ACTION-IF-TRUE=`'],[ACTION-IF-FALSE=`']
AC_DEFUN([MU_CHECK_GNUTLS],
[
if test "x$mu_cv_lib_gnutls" = x; then
cached=""
AC_ARG_WITH([gnutls],
AC_HELP_STRING([--without-gnutls],
[do not use GNU TLS library]),
[case "$withval" in
yes|no) mu_cv_lib_gnutls=$withval;;
*) AC_MSG_ERROR([bad value for --with-gnutls: $withval]);;
esac],
[mu_cv_lib_gnutls=yes])
if test "$mu_cv_lib_gnutls" != "no"; then
AC_CHECK_HEADER(gnutls/gnutls.h,
[:],
[mu_cv_lib_gnutls=no])
if test "$mu_cv_lib_gnutls" != "no"; then
saved_LIBS=$LIBS
AC_CHECK_LIB(gcrypt, main,
[TLS_LIBS="-lgcrypt"],
[mu_cv_lib_gnutls=no])
LIBS="$LIBS $TLS_LIBS"
AC_CHECK_LIB(gnutls, gnutls_global_init,
[TLS_LIBS="-lgnutls $TLS_LIBS"],
[mu_cv_lib_gnutls=no])
LIBS=$saved_LIBS
m4_if([$1],,,[if test $mu_cv_lib_gnutls != no; then
LIBS="$LIBS $TLS_LIBS"
AC_TRY_RUN([
#include <gnutls/gnutls.h>
int
main()
{
return gnutls_check_version ("$1") == (char*) 0;
}],
[:],
[mu_cv_lib_gnutls=no],
[mu_cv_lib_gnutls=no])
LIBS=$saved_LIBS
fi])
fi
fi
else
cached=" (cached) "
fi
m4_if([$2],,,[if test $mu_cv_lib_gnutls != no; then
$2
fi])
m4_if([$3],,,[if test $mu_cv_lib_gnutls = no; then
$3
fi])
AC_MSG_CHECKING([whether to use GNU TLS])
AC_MSG_RESULT(${cached}${mu_cv_lib_gnutls})])
|
