message: More debugging output when detecting driver manager
diff: @@ -8,15 +8,14 @@ find_program(SQLCMD sqlcmd)
  set(PERL_USES_UNIXODBC 0)
  set(PERL_USES_IODBC 0)
  -set(PYTHON_USES_UNIXODBC 0)
  -set(PYTHON_USES_IODBC 0)
  +set(_perl_output)
  if(PERL)
  execute_process(
  COMMAND ${PERL} ${CMAKE_CURRENT_SOURCE_DIR}/detect_driver_manager.pl
  OUTPUT_VARIABLE _perl_output
  OUTPUT_STRIP_TRAILING_WHITESPACE
  - ERROR_QUIET
  +# ERROR_QUIET
  )
  if(_perl_output MATCHES "unixODBC")
  set(PERL_USES_UNIXODBC 1)
  @@ -26,12 +25,16 @@ if(PERL)
  endif()
  endif()
  +set(PYTHON_USES_UNIXODBC 0)
  +set(PYTHON_USES_IODBC 0)
  +set(_python_output)
  +
  if(PYTHON)
  execute_process(
  COMMAND ${PYTHON} ${CMAKE_CURRENT_SOURCE_DIR}/detect_driver_manager.py
  OUTPUT_VARIABLE _python_output
  OUTPUT_STRIP_TRAILING_WHITESPACE
  - ERROR_QUIET
  +# ERROR_QUIET
  )
  if(_python_output MATCHES "unixODBC")
  set(PYTHON_USES_UNIXODBC 1)
  @@ -45,9 +48,11 @@ message(STATUS "Testing with:\n\t"
  "TEST_DSN=${TEST_DSN}\n\t"
  "TEST_DSN_W=${TEST_DSN_W}\n\t"
  "PERL=${PERL}\n\t"
  + "ODBC Driver Manager used by Perl DBD::ODBC: ${_perl_output}\n\t"
  "PERL_USES_UNIXODBC=${PERL_USES_UNIXODBC}\n\t"
  "PERL_USES_IODBC=${PERL_USES_IODBC}\n\t"
  "PYTHON=${PYTHON}\n\t"
  + "ODBC Driver Manager used by pyodbc: ${_python_output}\n\t"
  "PYTHON_USES_UNIXODBC=${PYTHON_USES_UNIXODBC}\n\t"
  "PYTHON_USES_IODBC=${PYTHON_USES_IODBC}\n\t"
  "ISQL=${ISQL}\n\t"
  