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###########################################
# #
# Improvements and feedback are welcome #
# #
# This file is released under GPL >= 3 #
# #
###########################################
# required stuff
find_package( TQt )
find_package( TDE )
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 OpenSSL
find_package( OpenSSL )
if( NOT OPENSSL_FOUND )
check_include_file( openssl/err.h HAVE_OPENSSL_H )
check_library_exists( ssl OPENSSL_init_ssl "" HAVE_LIBSSL_11 )
check_library_exists( crypto EVP_EncryptInit_ex "" HAVE_LIBCRYPTO )
if( NOT HAVE_LIBSSL_11 )
check_library_exists( ssl SSL_library_init "" HAVE_LIBSSL )
endif()
if( HAVE_OPENSSL_H AND HAVE_LIBCRYPTO AND (HAVE_LIBSSL_11 OR HAVE_LIBSSL) )
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}" )
set( OPENSSL_LIBRARIES "ssl;crypto" CACHE INTERNAL "ssl and crypto libs" FORCE )
endif()
endif( NOT OPENSSL_FOUND )
if( NOT OPENSSL_FOUND )
tde_message_fatal( "OpenSSL support is required but OpenSSL was not found on your system" )
else()
check_include_file( "openssl/aes.h" HAVE_OPENSSL_AES_H )
check_include_file( "openssl/blowfish.h" HAVE_OPENSSL_BLOWFISH_H )
endif( NOT OPENSSL_FOUND )
##### check for zlib
find_package( ZLIB )
if( ZLIB_FOUND )
set( HAVE_LIBZ 1 )
endif( ZLIB_FOUND )
##### check for functions
check_function_exists( poll HAVE_POLL )
check_function_exists( select HAVE_SELECT )
##### check headers
check_include_file( "sys/time.h" HAVE_SYS_TIME_H )
check_include_files( "sys/time.h;time.h" TIME_WITH_SYS_TIME )
check_include_files( "sys/poll.h" HAVE_SYS_POLL_H )
##### check for symbols
check_symbol_exists( gethostbyname "netdb.h" HAVE_GETHOSTBYNAME )
check_symbol_exists( gethostbyaddr "netdb.h" HAVE_GETHOSTBYADDR )
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