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#                                         #
#  Improvements and feedback are welcome  #
#                                         #
#  This file is released under GPL >= 3   #
#                                         #
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# required stuff
find_package( TQt )

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 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 OPENSSL_FOUND )
    tde_message_fatal( "OpenSSL is required but was not found on your system" )
endif()
 

##### look for tqt3 plugins path

execute_process(
      COMMAND ${PKG_CONFIG_EXECUTABLE}
      --variable=pluginsdir tqt-mt
      OUTPUT_VARIABLE TQT_PLUGINS_DIR
      OUTPUT_STRIP_TRAILING_WHITESPACE
)
if( TQT_PLUGINS_DIR )
    set( TQT_PLUGINS_CRYPTO_DIR "${TQT_PLUGINS_DIR}/crypto" )
endif()


###### check for tqca

pkg_search_module( TQCA tqca )
 if( TQCA_FOUND )
     set( HAVE_TQCA 1 )
  else()
     message( STATUS " tqca was not found, built-in copy will be used" )
 endif( )