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68 lines
2.3 KiB
Plaintext
68 lines
2.3 KiB
Plaintext
dnl The gnutls libgnutls.so library
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dnl
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dnl Copyright (C) 2016 Red Hat, Inc.
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dnl
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dnl This library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Lesser General Public
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dnl License as published by the Free Software Foundation; either
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dnl version 2.1 of the License, or (at your option) any later version.
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dnl
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dnl This library is distributed in the hope that it will be useful,
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dnl but 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 Lesser 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 Lesser General Public
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dnl License along with this library. If not, see
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dnl <http://www.gnu.org/licenses/>.
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dnl
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AC_DEFUN([LIBVIRT_CHECK_GNUTLS],[
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LIBVIRT_CHECK_PKG([GNUTLS], [gnutls], [2.2.0])
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if test "$with_gnutls" = "yes" ; then
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dnl Double probe: gnutls >= 2.12 had a configure option for gcrypt and
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dnl gnutls >= 3.0 uses only nettle. Our goal is to avoid gcrypt if we
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dnl can prove gnutls uses nettle, but it is a safe fallback to use gcrypt
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dnl if we can't prove anything.
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GNUTLS_GCRYPT=
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if $PKG_CONFIG --exists 'gnutls >= 3.0'; then
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GNUTLS_GCRYPT="no"
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else
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GNUTLS_GCRYPT="probe"
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fi
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if test "$GNUTLS_GCRYPT" = "probe"; then
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case $($PKG_CONFIG --libs --static gnutls) in
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*gcrypt*) GNUTLS_GCRYPT=yes ;;
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*nettle*) GNUTLS_GCRYPT=no ;;
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*) GNUTLS_GCRYPT=unknown ;;
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esac
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fi
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if test "$GNUTLS_GCRYPT" = "yes" || test "$GNUTLS_GCRYPT" = "unknown"; then
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GNUTLS_LIBS="$GNUTLS_LIBS -lgcrypt"
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dnl We're not using gcrypt deprecated features so define
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dnl GCRYPT_NO_DEPRECATED to avoid deprecated warnings
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GNUTLS_CFLAGS="$GNUTLS_CFLAGS -DGCRYPT_NO_DEPRECATED"
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AC_DEFINE_UNQUOTED([WITH_GNUTLS_GCRYPT], 1,
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[set to 1 if it is known or assumed that GNUTLS uses gcrypt])
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fi
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AC_CHECK_HEADERS([gnutls/crypto.h], [], [], [[
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#include <gnutls/gnutls.h>
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]])
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OLD_LIBS="$LIBS"
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LIBS="$LIBS $GNUTLS_LIBS"
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AC_CHECK_FUNC([gnutls_rnd])
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AC_CHECK_FUNC([gnutls_cipher_encrypt])
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LIBS=$OLD_LIBS
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fi
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])
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AC_DEFUN([LIBVIRT_RESULT_GNUTLS],[
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LIBVIRT_RESULT_LIB([GNUTLS])
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])
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