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e64f2fab92
LIBVIRT_ARG_WITH_ALT is more generic than LIBVIRT_ARG_WITH, which is tailored at switching features on and off. Rename the macros according to their intended purpose, and add some documentation to help developers pick between the two.
75 lines
2.4 KiB
Plaintext
75 lines
2.4 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_ARG_GNUTLS],[
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LIBVIRT_ARG_WITH_FEATURE([GNUTLS], [gnutls], [check], [2.2.0])
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])
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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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OLD_CFLAGS="$CFLAGS"
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OLD_LIBS="$LIBS"
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CFLAGS="$CFLAGS $GNUTLS_CFLAGS"
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LIBS="$LIBS $GNUTLS_LIBS"
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AC_CHECK_HEADERS([gnutls/crypto.h], [], [], [[
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#include <gnutls/gnutls.h>
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]])
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AC_CHECK_FUNCS([gnutls_rnd])
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AC_CHECK_FUNCS([gnutls_cipher_encrypt])
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CFLAGS="$OLD_CFLAGS"
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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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