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#############################################################################
# Copyright (c) 2018 Balabit
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# As an additional exemption you are allowed to compile & link against the
# OpenSSL libraries as published by the OpenSSL project. See the file
# COPYING for details.
#
#############################################################################
function (openssl_set_defines)
set (CMAKE_REQUIRED_INCLUDES ${OPENSSL_INCLUDE_DIR})
set (CMAKE_REQUIRED_LIBRARIES ${OPENSSL_LIBRARIES})
include(CheckSymbolExists)
set (check_symbol_headers
openssl/asn1.h
openssl/evp.h
openssl/dh.h
openssl/ssl.h
openssl/x509v3.h
openssl/bn.h)
set (symbol_list
EVP_MD_CTX_reset
ASN1_STRING_get0_data
SSL_CTX_get0_param
X509_STORE_CTX_get0_cert
X509_get_extension_flags
DH_set0_pqg
BN_get_rfc3526_prime_2048
SSL_CONF_CTX_new
SSL_CTX_set_num_tickets
SSL_CTX_set_ciphersuites
SSL_CTX_set1_sigalgs_list
SSL_CTX_set1_client_sigalgs_list
SSL_CTX_set_min_proto_version
SSL_add_file_cert_subjects_to_stack
SSL_add_dir_cert_subjects_to_stack)
foreach (symbol ${symbol_list})
string(TOUPPER ${symbol} SYMBOL_UPPERCASE)
check_symbol_exists(${symbol} "${check_symbol_headers}" SYSLOG_NG_HAVE_DECL_${SYMBOL_UPPERCASE})
set(SYSLOG_NG_HAVE_DECL_${SYMBOL_UPPERCASE} "${SYSLOG_NG_HAVE_DECL_${SYMBOL_UPPERCASE}}" PARENT_SCOPE)
endforeach()
endfunction()
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