i18n.cdl

eCos操作系统源码

# ====================================================================
#
#      i18n.cdl
#
#      C library internationalization (i18n) related 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):      jlarmour
# Contributors:   jjohnstn
# Date:           2000-04-14
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_LIBC_I18N {
    display       "ISO C library internationalization functions"
    description   "
        This package provides internationalization functions specified by the
        ISO C standard - ISO/IEC 9899:1990. These include locale-related
        functionality and <ctype.h> functionality."
    doc           ref/libc.html
    include_dir   cyg/libc/i18n
    parent        CYGPKG_LIBC
    implements    CYGINT_ISO_LOCALE
    implements    CYGINT_ISO_CTYPE
    implements    CYGINT_ISO_STDLIB_MULTIBYTE
    requires      CYGPKG_ISOINFRA
    compile       ctype.cxx locale.cxx mblen.cxx mbtowc.cxx mbstowcs.cxx \
                  wctomb.cxx wcstombs.cxx mbtowc_jp.cxx wctomb_jp.cxx mbtowc_c.cxx

# ====================================================================

    cdl_component CYGPKG_LIBC_I18N_LOCALES {
	display       "Supported locales"
	flavor	      none
	description   "
	    These options determine which locales other than the \"C\" locale
	    are supported and hence contribute to the size of the executable."

        cdl_interface CYGINT_LIBC_I18N_MB_REQUIRED {
            display       "Support for multiple locales required"
            flavor        booldata
            requires      { CYGBLD_ISO_STDLIB_MB_CUR_MAX_HEADER == \
                            "<cyg/libc/i18n/mb.h>" }
        }

	cdl_option CYGFUN_LIBC_I18N_LOCALE_C_SJIS {
	    display       "C-SJIS locale support"
	    default_value 0
            implements    CYGINT_LIBC_I18N_MB_REQUIRED
	    description    "
		This option controls if the \"C-SJIS\" locale will be
		supported by setlocale().  The locale is a hybrid locale
		that is mostly the \"C\" locale with Japanese SJIS multibyte
		support added."
        }

	cdl_option CYGFUN_LIBC_I18N_LOCALE_C_JIS {
	    display       "C-JIS locale support"
	    default_value 0
            implements    CYGINT_LIBC_I18N_MB_REQUIRED
	    description    "
                This option controls if the \"C-JIS\" locale will be
                supported by setlocale().  The locale is a hybrid locale
                that is mostly the \"C\" locale with Japanese JIS multibyte
                support added."
        }

	cdl_option CYGFUN_LIBC_I18N_LOCALE_C_EUCJP {
	    display       "C-EUCJP locale support"
	    default_value 0
            implements    CYGINT_LIBC_I18N_MB_REQUIRED
	    description    "
                This option controls if the \"C-EUCJP\" locale will be
                supported by setlocale().  The locale is a hybrid locale
                that is mostly the \"C\" locale with Japanese EUCJP multibyte
                support added."
        }
    }

# ====================================================================

    cdl_option CYGPKG_LIBC_I18N_NEWLIB_CTYPE {
        display       "Newlib's ctype implementation"
        default_value 0
        requires      { CYGBLD_ISO_CTYPE_HEADER == \
                        "<cyg/libc/i18n/newlibctype.h>" }
        description   "
            This option enables the implementation of the ctype functions
            that comes with newlib. It is table driven and therefore
            exhibits different performance characteristics. It also offers
            a limited amount of binary compatibility
            with newlib so that programs linked against newlib ctype/locale
            do not need to be recompiled when linked with eCos."
        compile       newlibctype.cxx
    }
    
    cdl_option CYGSEM_LIBC_I18N_PER_THREAD_MB	 {
        display       "Per-thread multibyte state"
        active_if     CYGPKG_KERNEL
        requires      CYGVAR_KERNEL_THREADS_DATA
        default_value { CYGVAR_KERNEL_THREADS_DATA != 0 }
        description   "
            This option controls whether the multibyte character
            handling functions mblen(), mbtowc(), and wctomb(),
            have their state recorded on a per-thread
            basis rather than global. If this option is
            disabled, some per-thread space can be saved.
            Enabling this option will use three slots
            of kernel per-thread data. You should ensure you
            have enough slots configured for all your
            per-thread data."
    }

# ====================================================================

    cdl_option CYGNUM_LIBC_I18N_MAX_LOCALE_NAME_SIZE {
        display       "Size of locale name strings"
        flavor        data
        legal_values  { (CYGFUN_LIBC_I18N_LOCALE_C_EUCJP ? 8 : \
                        (CYGFUN_LIBC_I18N_LOCALE_C_SJIS ? 7 :  \
                          (CYGFUN_LIBC_I18N_LOCALE_C_JIS ? 6 : 2))) to 0x7fffffff }
        default_value { (CYGFUN_LIBC_I18N_LOCALE_C_EUCJP ? 8 : \
                        (CYGFUN_LIBC_I18N_LOCALE_C_SJIS ? 7 :  \
                          (CYGFUN_LIBC_I18N_LOCALE_C_JIS ? 6 : 2)))  }
        description   "
            This option controls the maximum size of
            locale names and is used, among other things
            to instantiate a static string used
            as a return value from the
            setlocale() function. When requesting the
            current locale settings with LC_ALL, a string
            must be constructed to contain this data, rather
            than just returning a constant string. This
            string data is stored in the static string.
            This depends on the length of locale names,
            hence this option. If just the C locale is
            present, this option can be set as low as 2."
    }

# ====================================================================

    cdl_option CYGIMP_LIBC_I18N_CTYPE_INLINES {
        display       "Inline versions of <ctype.h> functions"
        default_value 1
        requires      { CYGBLD_ISO_CTYPE_HEADER == \
                           "<cyg/libc/i18n/ctype.inl>" }
        description   "
            This option chooses whether the simple character
            classification and conversion functions (e.g.
            isupper(), isalpha(), toupper(), etc.)
            from <ctype.h> are available as inline
            functions. This may improve performance and as
            the functions are small, may even improve code
            size."
    }

# ====================================================================

    cdl_component CYGPKG_LIBC_I18N_OPTIONS {
        display "C library i18n functions 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_LIBC_I18N_CFLAGS_ADD {
            display "Additional compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the C library. These flags are used in addition
                to the set of global flags."
        }

        cdl_option CYGPKG_LIBC_I18N_CFLAGS_REMOVE {
            display "Suppressed compiler flags"
            flavor  data
            no_define
            default_value { "" }
            description   "
                This option modifies the set of compiler flags for
                building the C library. These flags are removed from
                the set of global flags if present."
        }

        cdl_option CYGPKG_LIBC_I18N_TESTS {
            display "C library i18n function tests"
            flavor  data
            no_define
            calculated { "tests/ctype tests/setlocale tests/i18nmb" }
            description   "
                This option specifies the set of tests for the C library
                i18n functions."
        }
    }
}

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# EOF i18n.cdl