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# ====================================================================
#
#      string.cdl
#
#      C library string 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:
# Date:           2000-04-14
#
#####DESCRIPTIONEND####
#
# ====================================================================

cdl_package CYGPKG_LIBC_STRING {
    display       "ISO C library string functions"
    description   "
        This package provides string functions specified by the
        ISO C standard - ISO/IEC 9899:1990."
    doc           ref/libc.html
    include_dir   cyg/libc/string  
    parent        CYGPKG_LIBC
    implements    CYGINT_ISO_STRTOK_R
    implements    CYGINT_ISO_STRING_LOCALE_FUNCS
    implements    CYGINT_ISO_STRING_MEMFUNCS
    implements    CYGINT_ISO_STRING_STRFUNCS
    requires      { CYGBLD_ISO_STRING_LOCALE_FUNCS_HEADER == \
                    "<cyg/libc/string/string.h>" }
    requires      { CYGBLD_ISO_STRING_MEMFUNCS_HEADER == \
                    "<cyg/libc/string/string.h>" }
    requires      { CYGBLD_ISO_STRING_STRFUNCS_HEADER == \
                    "<cyg/libc/string/string.h>" }
    requires      { CYGBLD_ISO_STRTOK_R_HEADER == \
                    "<cyg/libc/string/string.h>" }
    requires      CYGPKG_ISOINFRA

    compile   memchr.cxx  memcmp.cxx  memmove.cxx   \
              strcat.cxx  strchr.cxx  strcmp.cxx    \
              strcoll.cxx strcpy.cxx  strcspn.cxx   \
              strlen.cxx  strncat.cxx strncmp.cxx   \
              strncpy.cxx strpbrk.cxx strrchr.cxx   \
              strspn.cxx  strstr.cxx  strsuppt.cxx  \
              strtok.cxx  strxfrm.cxx


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

    cdl_option CYGIMP_LIBC_STRING_INLINES {
        display       "Inline versions of <string.h> functions"
        default_value 1
        description   "
            This option chooses whether some of the
            particularly simple string functions from
            <string.h> are available as inline
            functions. This may improve performance, and as
            the functions are small, may even improve code
            size."
    }
    
    cdl_option CYGIMP_LIBC_STRING_PREFER_SMALL_TO_FAST {
        display       "Optimize string functions for code size"
        flavor bool
        default_value 0
        description   "
            This option tries to reduce string function
            code size at the expense of execution speed. The
            same effect can be produced if the code is
            compiled with the -Os option to the compiler."
    }

    cdl_option CYGFUN_LIBC_STRING_BSD_FUNCS {
        display       "Provide BSD compatibility functions"
        flavor        bool
        default_value 1
        implements    CYGINT_ISO_STRING_BSD_FUNCS
        requires      { CYGBLD_ISO_STRING_BSD_FUNCS_HEADER == \
                        "<cyg/libc/string/bsdstring.h>" }
        requires      CYGINT_ISO_CTYPE
        compile       bsdstring.cxx
        description   "
            Enabling this option causes various compatibility functions
            commonly found in the BSD UNIX operating system to be included.
            These are functions such as bzero, bcmp, bcopy, bzero, strcasecmp,
            strncasecmp, index, rindex and swab."
    }
    
    cdl_component CYGPKG_LIBC_STRING_STRTOK {
        display       "strtok"
        flavor        none
        description   "
            These options control the behaviour of the
            strtok() and strtok_r() string tokenization
            functions."
    
        cdl_option CYGSEM_LIBC_STRING_PER_THREAD_STRTOK {
            display       "Per-thread strtok()"
            active_if     CYGPKG_KERNEL
            requires      CYGVAR_KERNEL_THREADS_DATA
            default_value CYGVAR_KERNEL_THREADS_DATA
            description   "
                This option controls whether the string function
                strtok() has its state recorded on a per-thread
                basis rather than global. If this option is
                disabled, some per-thread space can be saved.
                Note there is also a POSIX-standard strtok_r()
                function to achieve a similar effect with user
                support. Enabling this option will use one slot
                of kernel per-thread data. You should ensure you
                have enough slots configured for all your
                per-thread data."
        }
    
        cdl_option CYGNUM_LIBC_STRING_STRTOK_TRACE_LEVEL {
            display       "Tracing level"
            flavor        data
            legal_values  0 to 1
            default_value 0
            description   "
                Trace verbosity level for debugging the <string.h>
                functions strtok() and strtok_r(). Increase this
                value to get additional trace output."
        }
    }

    cdl_component CYGPKG_LIBC_STRING_OPTIONS {
        display "C library string 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_STRING_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_STRING_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_STRING_TESTS {
            display "C library string function tests"
            flavor  data
            no_define
            calculated { "tests/memchr tests/memcmp1 tests/memcmp2 tests/memcpy1 tests/memcpy2 tests/memmove1 tests/memmove2 tests/memset tests/strcat1 tests/strcat2 tests/strchr tests/strcmp1 tests/strcmp2 tests/strcoll1 tests/strcoll2 tests/strcpy1 tests/strcpy2 tests/strcspn tests/strcspn tests/strlen tests/strncat1 tests/strncat2 tests/strncpy1 tests/strncpy2 tests/strpbrk tests/strrchr tests/strspn tests/strstr tests/strtok tests/strxfrm1 tests/strxfrm2" }
            description   "
                This option specifies the set of tests for the C library
                string functions."
        }
    }
}

# ====================================================================
# EOF string.cdl

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