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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)


##### check for gcc visibility support

if( WITH_GCC_VISIBILITY )
  if( NOT UNIX )
    tde_message_fatal( "gcc visibility support was requested, but your system is not *NIX" )
  endif( NOT UNIX )
  set( __KDE_HAVE_GCC_VISIBILITY 1 )
  set( CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden")
  set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility=hidden -fvisibility-inlines-hidden")
endif( WITH_GCC_VISIBILITY )


##### check for ldap

find_library( HAVE_LIBLDAP ldap )
if( NOT HAVE_LIBLDAP )
  tde_message_fatal( "ldap is required, but was not found on your system" )
endif( NOT HAVE_LIBLDAP )


##### check for krb5

pkg_search_module( KRB5 heimdal-krb5 krb5 )
if( NOT KRB5_FOUND)
  if( NOT DEFINED KRB5_CONFIG_EXECUTABLE )
    find_program( KRB5_CONFIG_EXECUTABLE NAMES krb5-config.heimdal krb5-config )
    if( NOT KRB5_CONFIG_EXECUTABLE )
      tde_message_fatal( "krb5 library is required but not found on your system" )
    endif( )
  endif( )

  execute_process(
    COMMAND ${KRB5_CONFIG_EXECUTABLE} --libs
    OUTPUT_VARIABLE KRB5_LIBRARIES
    ERROR_VARIABLE KRB5_LIBRARIES
  )
  execute_process(
    COMMAND ${KRB5_CONFIG_EXECUTABLE} --cflags
    OUTPUT_VARIABLE KRB5_INCLUDE_DIRS
    ERROR_VARIABLE KRB5_INCLUDE_DIRS
  )
  if( NOT "${KRB5_LIBRARIES}" STREQUAL "" )
    set( KRB5_FOUND 1 )
  endif( )
endif( )

find_file( KRB5_ASN1_H
    NAMES krb5_asn1.h
    HINTS ${KRB5_INCLUDE_DIRS}
)
if( "${KRB5_ASN1_H}" STREQUAL "KRB5_ASN1_H-NOTFOUND" )
    tde_message_fatal( "Heimdal Kerberos is required, but was not found on our system" )
endif( )


# check compiler permissive flag
check_cxx_compiler_flag( -fpermissive HAVE_PERMISSIVE_SUPPORT )
if( HAVE_PERMISSIVE_SUPPORT )
  set( ENABLE_PERMISSIVE_FLAG "-fpermissive" )
endif( )