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# ====================================================================
#
#      error.cdl
#
#      Error package configuration data
#
# ====================================================================
#####ECOSGPLCOPYRIGHTBEGIN####
## -------------------------------------------
## This file is part of eCos, the Embedded Configurable Operating System.
## Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
##
## eCos is free software; you can redistribute it and/or modify it under
## the terms of the GNU General Public License as published by the Free
## Software Foundation; either version 2 or (at your option) any later version.
##
## eCos is distributed in the hope that it will be useful, but WITHOUT ANY
## WARRANTY; without even the implied warranty of MERCHANTABILITY or
## FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
## for more details.
##
## You should have received a copy of the GNU General Public License along
## with eCos; if not, write to the Free Software Foundation, Inc.,
## 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
##
## As a special exception, if other files instantiate templates or use macros
## or inline functions from this file, or you compile this file and link it
## with other works to produce a work based on this file, this file does not
## by itself cause the resulting work to be covered by the GNU General Public
## License. However the source code for this file must still be made available
## in accordance with section (3) of the GNU General Public License.
##
## This exception does not invalidate any other reasons why a work based on
## this file might be covered by the GNU General Public License.
##
## Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
## at http://sources.redhat.com/ecos/ecos-license/
## -------------------------------------------
#####ECOSGPLCOPYRIGHTEND####
# ====================================================================
######DESCRIPTIONBEGIN####
#
# Author(s):      bartv,jlarmour
# Original data:  jlarmour
# Contributors:   
# Date:           2000-04-14
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_ERROR {
    display       "Common error code support"
    compile       strerror.cxx errno.cxx
    include_dir   cyg/error
    implements    CYGINT_ISO_ERRNO_CODES
    requires      { CYGBLD_ISO_ERRNO_CODES_HEADER == "<cyg/error/codes.h>" }
    description   "
        This package contains the common list of error and
        status codes. It is held centrally to allow
        packages to interchange error codes and status
        codes in a common way, rather than each package
        having its own conventions for error/status
        reporting. The error codes are modelled on the
        POSIX style naming e.g. EINVAL etc. This package
        also provides the standard strerror() function to
        convert error codes to textual representation, as
        well as an implementation of the errno idiom."
        
# ====================================================================
# ERRNO OPTIONS

    cdl_component CYGPKG_ERROR_ERRNO {
        display       "errno variable"
        flavor        bool
        implements    CYGINT_ISO_ERRNO
        requires      { CYGBLD_ISO_ERRNO_HEADER == "<cyg/error/errno.h>" }
        default_value 1
        description   "
            This package controls the behaviour of the
            errno variable (or more strictly, expression)
            from <errno.h>."

        cdl_option CYGSEM_ERROR_PER_THREAD_ERRNO {
            display       "Per-thread errno"
            requires      CYGVAR_KERNEL_THREADS_DATA
            default_value 1
            description   "
                This option controls whether the standard error
                code reporting variable errno is a per-thread
                variable, rather than global."
        }

        cdl_option CYGNUM_ERROR_ERRNO_TRACE_LEVEL {
            display       "Tracing level"
            flavor        data
            legal_values  0 to 1
            default_value 0
            description   "
                Trace verbosity level for debugging the errno
                retrieval mechanism in errno.cxx. Increase this
                value to get additional trace output."
        }
    }

# ====================================================================
# STRERROR OPTIONS

    cdl_option CYGPKG_ERROR_STRERROR {
        display       "strerror function"
        flavor        bool
        implements    CYGINT_ISO_STRERROR
        requires      { CYGBLD_ISO_STRERROR_HEADER == "<cyg/error/strerror.h>" }
        default_value 1
        description   "
            This package controls the presence and behaviour of the
            strerror() function from <string.h>"
    }

# ====================================================================
# BUILD OPTIONS
    cdl_component CYGPKG_ERROR_OPTIONS {
        display "Error package build options"
        flavor  none
        no_define
        description   "
            Package specific build options including control over
            compiler flags used only in building this package,
            and details of which tests are built."


        cdl_option CYGPKG_ERROR_CFLAGS_ADD {
            display "Additional compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the error package. These flags are used in addition
                to the set of global flags."
        }

        cdl_option CYGPKG_ERROR_CFLAGS_REMOVE {
            display "Suppressed compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the error package. These flags are removed from
                the set of global flags if present."
        }
    }
}

# ====================================================================
# EOF error.cdl