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###########################################
# #
# Improvements and feedback are welcome #
# #
# This file is released under GPL >= 3 #
# #
###########################################
# required stuff
tde_setup_architecture_flags( )
include(TestBigEndian)
test_big_endian(WORDS_BIGENDIAN)
tde_setup_largefiles( )
##### check for gcc visibility support
if( WITH_GCC_VISIBILITY )
tde_setup_gcc_visibility( )
endif( WITH_GCC_VISIBILITY )
##### check for gnutls
pkg_search_module( GNUTLS gnutls )
if( NOT GNUTLS_FOUND )
tde_message_fatal( "GNUTLS is required but was not found on your system" )
endif( NOT GNUTLS_FOUND )
##### check for OpenSSL
pkg_search_module( SSL openssl )
if( NOT SSL_FOUND )
check_include_file( openssl/ssl.h HAVE_OPENSSL_H )
check_library_exists( ssl OPENSSL_init_ssl "" HAVE_LIBSSL_11 )
if( NOT HAVE_LIBSSL_11 )
check_library_exists( ssl SSL_library_init "" HAVE_LIBSSL )
endif( )
check_library_exists( crypto EVP_EncryptInit_ex "" HAVE_LIBCRYPTO )
if( HAVE_OPENSSL_H AND (HAVE_LIBSSL_11 OR HAVEL_LIBSSL) AND HAVE_LIBCRYPTO )
set( SSL_FOUND 1 CACHE INTERNAL "" FORCE )
find_file( OPENSSLV_H openssl/opensslv.h )
file( STRINGS "${OPENSSLV_H}" SSL_VERSION REGEX "#[ \t]*define[ \t]*OPENSSL_VERSION_TEXT" )
string( REGEX REPLACE "# *define[ \t]*OPENSSL_VERSION_TEXT[ \t]*\"[^0-9 ]* *([^ ]*).*" "\\1"
SSL_VERSION "${SSL_VERSION}" )
set( SSL_VERSION "${SSL_VERSION}" CACHE INTERNAL "" FORCE )
message( STATUS "Found OpenSSL: version ${SSL_VERSION}" )
endif( HAVE_OPENSSL_H AND (HAVE_LIBSSL_11 OR HAVEL_LIBSSL) AND HAVE_LIBCRYPTO )
endif( NOT SSL_FOUND )
if( NOT SSL_FOUND )
tde_message_fatal( "SSL support is required but was not found on your system" )
endif( NOT SSL_FOUND )
##### check for pkcs11-helper
pkg_search_module( LIBPKCS11-HELPER libpkcs11-helper-1 )
if( NOT LIBPKCS11-HELPER_FOUND )
tde_message_fatal( "libpkcs11-helper-1 is required but was not found on your system" )
endif( NOT LIBPKCS11-HELPER_FOUND )
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