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# ===========================================================================
# http://www.gnu.org/software/autoconf-archive/ax_lib_beecrypt.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_LIB_BEECRYPT([yes|no|auto])
#
# DESCRIPTION
#
# Searches for the 'beecrypt' library with the --with... option.
#
# If found, define HAVE_BEECRYPT and macro BEECRYPT_LIBS. Also defines
# BEECRYPT_WITH_<algo> for the algorithms found available. Possible
# algorithms: BASE64 AES BF MD5 SHA1 SHA256 SHA384 SHA512.
#
# The argument is used if no --with...-beecrypt option is set. Value "yes"
# requires the configuration by default. Value "no" does not require it by
# default. Value "auto" configures the library only if available.
#
# See also AX_LIB_CRYPTO and AX_LIB_GCRYPT.
#
# LICENSE
#
# Copyright (c) 2009 Fabien Coelho <autoconf.archive@coelho.net>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 7
# AX_CHECK_BEECRYPT_ALGO([name],[function])
AC_DEFUN([AX_CHECK_BEECRYPT_ALGO],[
AC_CHECK_LIB([beecrypt], [$2],
AC_DEFINE([BEECRYPT_WITH_$1],[1],[Algorithm $1 in beecrypt library]))
])
# AX_LIB_BEECRYPT([yes|no|auto])
AC_DEFUN([AX_LIB_BEECRYPT],[
AC_MSG_CHECKING([whether beecrypt is enabled])
AC_ARG_WITH([beecrypt],[ --with-beecrypt require beecrypt library
--without-beecrypt disable beecrypt library],[
AC_MSG_RESULT([$withval])
ac_with_beecrypt=$withval
],[
AC_MSG_RESULT([$1])
ac_with_beecrypt=$1
])
if test "$ac_with_beecrypt" = "yes" -o "$ac_with_beecrypt" = "auto" ; then
AC_CHECK_HEADERS([beecrypt/beecrypt.h],[
AC_CHECK_LIB([beecrypt],[blockCipherFind],[
AC_DEFINE([HAVE_BEECRYPT],[1],[Beecrypt library is available])
HAVE_BEECRYPT=1
AC_SUBST([BEECRYPT_LIBS],[-lbeecrypt])
# encoding
AX_CHECK_BEECRYPT_ALGO([BASE64],[b64encode])
# ciphers
AX_CHECK_BEECRYPT_ALGO([AES],[aesSetup])
AX_CHECK_BEECRYPT_ALGO([BF],[blowfishSetup])
# digests
AX_CHECK_BEECRYPT_ALGO([MD5],[md5Digest])
AX_CHECK_BEECRYPT_ALGO([SHA1],[sha1Digest])
AX_CHECK_BEECRYPT_ALGO([SHA256],[sha256Digest])
AX_CHECK_BEECRYPT_ALGO([SHA384],[sha384Digest])
AX_CHECK_BEECRYPT_ALGO([SHA512],[sha512Digest])
])
])
# complain only if explicitely required
if test "$ac_with_beecrypt" = "yes" -a "x$HAVE_BEECRYPT" = "x" ; then
AC_MSG_ERROR([cannot configure required beecrypt library])
fi
fi
])
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