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-config EGLIBC_OPTION_EGLIBC_ADVANCED_INET6
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- bool "IPv6 Advanced Sockets API support (RFC3542)"
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- default y
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- select EGLIBC_OPTION_EGLIBC_INET
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- help
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- This option group includes the functions specified by RFC 3542,
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- "Advanced Sockets Application Program Interface (API) for
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- IPv6".
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-
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- This option group includes the following functions:
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-
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- inet6_opt_append
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- inet6_opt_find
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- inet6_opt_finish
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- inet6_opt_get_val
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- inet6_opt_init
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- inet6_option_alloc
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- inet6_option_append
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- inet6_option_find
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- inet6_option_init
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- inet6_option_next
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- inet6_option_space
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- inet6_opt_next
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- inet6_opt_set_val
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- inet6_rth_add
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- inet6_rth_getaddr
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- inet6_rth_init
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- inet6_rth_reverse
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- inet6_rth_segments
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- inet6_rth_space
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-
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-
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-config EGLIBC_OPTION_EGLIBC_BACKTRACE
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- bool "Functions for producing backtraces"
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- default y
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- help
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- This option group includes functions for producing a list of
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- the function calls that are currently active in a thread, from
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- within the thread itself. These functions are often used
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- within signal handlers, to produce diagnostic output.
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-
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- This option group includes the following functions:
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-
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- backtrace
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- backtrace_symbols
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- backtrace_symbols_fd
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-
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-
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-config EGLIBC_OPTION_EGLIBC_BIG_MACROS
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- bool "Use extensive inline code"
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- default y
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- help
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- This option group specifies whether certain pieces of code
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- should be inlined to achieve maximum speed. If this option
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- group is not selected, function calls will be used instead,
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- hence reducing the library footprint.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_BSD
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- bool "BSD-specific functions, and their compatibility stubs"
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- default y
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- help
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- This option group includes functions specific to BSD kernels.
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- A number of these functions have stub versions that are also
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- included in libraries built for non-BSD systems for
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- compatibility.
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-
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- This option group includes the following functions:
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-
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- chflags
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- fchflags
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- lchmod
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- revoke
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- setlogin
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-
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-
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-config EGLIBC_OPTION_EGLIBC_CXX_TESTS
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- bool "Tests that link against the standard C++ library."
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- default y
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- select EGLIBC_OPTION_POSIX_WIDE_CHAR_DEVICE_IO
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- select EGLIBC_OPTION_EGLIBC_LIBM
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- help
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- This option group does not include any C library functions;
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- instead, it controls which EGLIBC tests an ordinary 'make
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- tests' runs. With this group disabled, tests that would
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- normally link against the standard C++ library are not
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- run.
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-
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- The standard C++ library depends on the math library 'libm' and
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- the wide character I/O functions included in EGLIBC. If those
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- option groups are disabled, this test must also be disabled.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_CATGETS
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- bool "Functions for accessing message catalogs"
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- default y
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- select EGLIBC_OPTION_EGLIBC_LOCALE_CODE
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- help
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- This option group includes functions for accessing message
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- catalogs: catopen, catclose, and catgets.
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-
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- This option group depends on the EGLIBC_OPTION_EGLIBC_LOCALE_CODE
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- option group; if you disable that, you must also disable this.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_CHARSETS
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- bool "iconv/gconv character set conversion libraries"
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- default y
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- help
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-
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- This option group includes support for character sets other
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- than ASCII (ANSI_X3.4-1968) and Unicode and ISO-10646 in their
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- various encodings. This affects both the character sets
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- supported by the wide and multibyte character functions, and
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- those supported by the 'iconv' functions.
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-
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- With this option group disabled, EGLIBC supports only the
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- following character sets:
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-
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- ANSI_X3.4 - ASCII
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- ANSI_X3.4-1968
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- ANSI_X3.4-1986
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- ASCII
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- CP367
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- CSASCII
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- IBM367
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- ISO-IR-6
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- ISO646-US
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- ISO_646.IRV:1991
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- OSF00010020
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- US
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- US-ASCII
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-
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- 10646-1:1993 - ISO 10646, in big-endian UCS4 form
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- 10646-1:1993/UCS4
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- CSUCS4
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- ISO-10646
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- ISO-10646/UCS4
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- OSF00010104
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- OSF00010105
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- OSF00010106
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- UCS-4
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- UCS-4BE
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- UCS4
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-
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- UCS-4LE - ISO 10646, in little-endian UCS4 form
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-
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- ISO-10646/UTF-8 - ISO 10646, in UTF-8 form
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- ISO-10646/UTF8
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- ISO-IR-193
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- OSF05010001
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- UTF-8
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- UTF8
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-
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- ISO-10646/UCS2 - ISO 10646, in target-endian UCS2 form
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- OSF00010100
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- OSF00010101
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- OSF00010102
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- UCS-2
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- UCS2
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-
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- UCS-2BE - ISO 10646, in big-endian UCS2 form
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- UNICODEBIG
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-
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- UCS-2LE - ISO 10646, in little-endian UCS2 form
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- UNICODELITTLE
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-
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- WCHAR_T - EGLIBC's internal form (target-endian,
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- 32-bit ISO 10646)
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-
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-
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-config EGLIBC_OPTION_EGLIBC_CRYPT
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- bool "Encryption library"
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- default y
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- help
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- This option group includes the `libcrypt' library which
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- provides functions for one-way encryption. Supported
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- encryption algorithms include MD5, SHA-256, SHA-512 and DES.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_CRYPT_UFC
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- bool "Ultra fast `crypt' implementation"
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- default y
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- select EGLIBC_OPTION_EGLIBC_CRYPT
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- help
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- This option group provides ultra fast DES-based implementation of
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- the `crypt' function. When this option group is disabled,
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- (a) the library will not provide the setkey[_r] and encrypt[_r]
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- functions and (b) the crypt[_r] function will return NULL and set the
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- errno to ENOSYS if /salt/ passed does not correspond to either MD5,
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- SHA-256 or SHA-512 algorithm.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_DB_ALIASES
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- bool "Functions for accessing the mail aliases database"
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- default y
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- help
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- This option group includes functions for looking up mail
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- aliases in '/etc/aliases' or using nsswitch. It includes the
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- following functions:
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-
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- endaliasent
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- getaliasbyname
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- getaliasbyname_r
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- getaliasent
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- getaliasent_r
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- setaliasent
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-
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- When this option group is disabled, the NSS service libraries
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- also lack support for querying their mail alias tables.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_ENVZ
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- bool "Functions for handling envz-style environment vectors."
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- default y
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- help
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- This option group contains functions for creating and operating
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- on envz vectors. An "envz vector" is a vector of strings in a
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- contiguous block of memory, where each element is a name-value
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- pair, and elements are separated from their neighbors by null
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- characters.
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-
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- This option group includes the following functions:
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-
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- envz_add envz_merge
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- envz_entry envz_remove
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- envz_get envz_strip
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-
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-
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-config EGLIBC_OPTION_EGLIBC_FCVT
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- bool "Functions for converting floating-point numbers to strings"
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- default y
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- help
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- This option group includes functions for converting
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- floating-point numbers to strings.
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-
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- This option group includes the following functions:
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-
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- ecvt qecvt
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- ecvt_r qecvt_r
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- fcvt qfcvt
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- fcvt_r qfcvt_r
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- gcvt qgcvt
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-
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-
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-config EGLIBC_OPTION_EGLIBC_FMTMSG
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- bool "Functions for formatting messages"
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- default y
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- help
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- This option group includes the following functions:
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-
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- addseverity fmtmsg
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-
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-
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-config EGLIBC_OPTION_EGLIBC_FSTAB
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- bool "Access functions for 'fstab'"
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- default y
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- help
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- This option group includes functions for reading the mount
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- point specification table, '/etc/fstab'. These functions are
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- not included in the POSIX standard, which provides the
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- 'getmntent' family of functions instead.
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-
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- This option group includes the following functions:
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-
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- endfsent getfsspec
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- getfsent setfsent
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- getfsfile
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-
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-
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-config EGLIBC_OPTION_EGLIBC_FTRAVERSE
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- bool "Functions for traversing file hierarchies"
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- default y
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- help
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- This option group includes functions for traversing file
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- UNIX file hierachies.
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-
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- This option group includes the following functions:
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-
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- fts_open ftw
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- fts_read nftw
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- fts_children ftw64
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- fts_set nftw64
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- fts_close
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-
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-
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-config EGLIBC_OPTION_EGLIBC_GETLOGIN
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- bool "The getlogin function"
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- default y
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- select EGLIBC_OPTION_EGLIBC_UTMP
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- help
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- This function group includes the 'getlogin' and 'getlogin_r'
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- functions, which return the user name associated by the login
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- activity with the current process's controlling terminal.
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-
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- With this option group disabled, the 'glob' function will not
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- fall back on 'getlogin' to find the user's login name for tilde
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- expansion when the 'HOME' environment variable is not set.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_IDN
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- bool "International domain names support"
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- default y
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- help
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- This option group includes the `libcidn' library which
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- provides support for international domain names.
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-
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-
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-config EGLIBC_OPTION_EGLIBC_INET
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- bool "Networking support"
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- default y
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- help
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- This option group includes networking-specific functions and
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- data. With EGLIBC_OPTION_EGLIBC_INET disabled, the EGLIBC
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- installation and API changes as follows:
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-
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- - The following libraries are not installed:
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-
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- libanl
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- libnsl
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- libnss_compat
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- libnss_dns
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- libnss_hesiod
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- libnss_nis
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- libnss_nisplus
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- libresolv
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-
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- - The following functions and variables are omitted from libc:
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-
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- authdes_create hstrerror svc_fdset
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- authdes_getucred htonl svc_getreq
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- authdes_pk_create htons svc_getreq_common
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- authnone_create if_freenameindex svc_getreq_poll
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- authunix_create if_indextoname svc_getreqset
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- authunix_create_default if_nameindex svc_max_pollfd
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- bindresvport if_nametoindex svc_pollfd
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- callrpc in6addr_any svcraw_create
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- cbc_crypt in6addr_loopback svc_register
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- clnt_broadcast inet6_opt_append svc_run
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- clnt_create inet6_opt_find svc_sendreply
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- clnt_pcreateerror inet6_opt_finish svctcp_create
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- clnt_perrno inet6_opt_get_val svcudp_bufcreate
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- clnt_perror inet6_opt_init svcudp_create
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- clntraw_create inet6_option_alloc svcudp_enablecache
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- clnt_spcreateerror inet6_option_append svcunix_create
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- clnt_sperrno inet6_option_find svcunixfd_create
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- clnt_sperror inet6_option_init svc_unregister
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- clnttcp_create inet6_option_next user2netname
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- clntudp_bufcreate inet6_option_space xdecrypt
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- clntudp_create inet6_opt_next xdr_accepted_reply
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- clntunix_create inet6_opt_set_val xdr_array
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- des_setparity inet6_rth_add xdr_authdes_cred
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- ecb_crypt inet6_rth_getaddr xdr_authdes_verf
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- endaliasent inet6_rth_init xdr_authunix_parms
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- endhostent inet6_rth_reverse xdr_bool
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- endnetent inet6_rth_segments xdr_bytes
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- endnetgrent inet6_rth_space xdr_callhdr
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- endprotoent inet_addr xdr_callmsg
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- endrpcent inet_aton xdr_char
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- endservent inet_lnaof xdr_cryptkeyarg
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- ether_aton inet_makeaddr xdr_cryptkeyarg2
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- ether_aton_r inet_netof xdr_cryptkeyres
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|
|
|
- ether_hostton inet_network xdr_des_block
|
|
|
|
- ether_line inet_nsap_addr xdr_double
|
|
|
|
- ether_ntoa inet_nsap_ntoa xdr_enum
|
|
|
|
- ether_ntoa_r inet_ntoa xdr_float
|
|
|
|
- ether_ntohost inet_ntop xdr_free
|
|
|
|
- freeaddrinfo inet_pton xdr_getcredres
|
|
|
|
- freeifaddrs innetgr xdr_hyper
|
|
|
|
- gai_strerror iruserok xdr_int
|
|
|
|
- getaddrinfo iruserok_af xdr_int16_t
|
|
|
|
- getaliasbyname key_decryptsession xdr_int32_t
|
|
|
|
- getaliasbyname_r key_decryptsession_pk xdr_int64_t
|
|
|
|
- getaliasent key_encryptsession xdr_int8_t
|
|
|
|
- getaliasent_r key_encryptsession_pk xdr_keybuf
|
|
|
|
- gethostbyaddr key_gendes xdr_key_netstarg
|
|
|
|
- gethostbyaddr_r key_get_conv xdr_key_netstres
|
|
|
|
- gethostbyname key_secretkey_is_set xdr_keystatus
|
|
|
|
- gethostbyname2 key_setnet xdr_long
|
|
|
|
- gethostbyname2_r key_setsecret xdr_longlong_t
|
|
|
|
- gethostbyname_r netname2host xdrmem_create
|
|
|
|
- gethostent netname2user xdr_netnamestr
|
|
|
|
- gethostent_r ntohl xdr_netobj
|
|
|
|
- getifaddrs ntohs xdr_opaque
|
|
|
|
- getipv4sourcefilter passwd2des xdr_opaque_auth
|
|
|
|
- get_myaddress pmap_getmaps xdr_pmap
|
|
|
|
- getnameinfo pmap_getport xdr_pmaplist
|
|
|
|
- getnetbyaddr pmap_rmtcall xdr_pointer
|
|
|
|
- getnetbyaddr_r pmap_set xdr_quad_t
|
|
|
|
- getnetbyname pmap_unset xdrrec_create
|
|
|
|
- getnetbyname_r rcmd xdrrec_endofrecord
|
|
|
|
- getnetent rcmd_af xdrrec_eof
|
|
|
|
- getnetent_r registerrpc xdrrec_skiprecord
|
|
|
|
- getnetgrent res_init xdr_reference
|
|
|
|
- getnetgrent_r rexec xdr_rejected_reply
|
|
|
|
- getnetname rexec_af xdr_replymsg
|
|
|
|
- getprotobyname rexecoptions xdr_rmtcall_args
|
|
|
|
- getprotobyname_r rpc_createerr xdr_rmtcallres
|
|
|
|
- getprotobynumber rresvport xdr_short
|
|
|
|
- getprotobynumber_r rresvport_af xdr_sizeof
|
|
|
|
- getprotoent rtime xdrstdio_create
|
|
|
|
- getprotoent_r ruserok xdr_string
|
|
|
|
- getpublickey ruserok_af xdr_u_char
|
|
|
|
- getrpcbyname ruserpass xdr_u_hyper
|
|
|
|
- getrpcbyname_r setaliasent xdr_u_int
|
|
|
|
- getrpcbynumber sethostent xdr_uint16_t
|
|
|
|
- getrpcbynumber_r setipv4sourcefilter xdr_uint32_t
|
|
|
|
- getrpcent setnetent xdr_uint64_t
|
|
|
|
- getrpcent_r setnetgrent xdr_uint8_t
|
|
|
|
- getrpcport setprotoent xdr_u_long
|
|
|
|
- getsecretkey setrpcent xdr_u_longlong_t
|
|
|
|
- getservbyname setservent xdr_union
|
|
|
|
- getservbyname_r setsourcefilter xdr_unixcred
|
|
|
|
- getservbyport svcauthdes_stats xdr_u_quad_t
|
|
|
|
- getservbyport_r svcerr_auth xdr_u_short
|
|
|
|
- getservent svcerr_decode xdr_vector
|
|
|
|
- getservent_r svcerr_noproc xdr_void
|
|
|
|
- getsourcefilter svcerr_noprog xdr_wrapstring
|
|
|
|
- h_errlist svcerr_progvers xencrypt
|
|
|
|
- h_errno svcerr_systemerr xprt_register
|
|
|
|
- herror svcerr_weakauth xprt_unregister
|
|
|
|
- h_nerr svc_exit
|
|
|
|
- host2netname svcfd_create
|
|
|
|
-
|
|
|
|
- - The rpcgen, nscd, and rpcinfo commands are not installed.
|
|
|
|
-
|
|
|
|
- - The 'rpc' file (a text file listing RPC services) is not installed.
|
|
|
|
-
|
|
|
|
- Socket-related system calls do not fall in this option group,
|
|
|
|
- because many are also used for other inter-process
|
|
|
|
- communication mechanisms. For example, the 'syslog' routines
|
|
|
|
- use Unix-domain sockets to communicate with the syslog daemon;
|
|
|
|
- syslog is valuable in non-networked contexts.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_INET_ANL
|
|
|
|
- bool "Asynchronous name lookup"
|
|
|
|
- default y
|
|
|
|
- select EGLIBC_OPTION_EGLIBC_INET
|
|
|
|
- help
|
|
|
|
- This option group includes the `libanl' library which
|
|
|
|
- provides support for asynchronous name lookup.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_LIBM
|
|
|
|
- bool "libm (math library)"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes the 'libm' library, containing
|
|
|
|
- mathematical functions. If this option group is omitted, then
|
|
|
|
- an EGLIBC installation does not include shared or unshared versions
|
|
|
|
- of the math library.
|
|
|
|
-
|
|
|
|
- Note that this does not remove all floating-point related
|
|
|
|
- functionality from EGLIBC; for example, 'printf' and 'scanf'
|
|
|
|
- can still print and read floating-point values with this option
|
|
|
|
- group disabled.
|
|
|
|
-
|
|
|
|
- Note that the ISO Standard C++ library 'libstdc++' depends on
|
|
|
|
- EGLIBC's math library 'libm'. If you disable this option
|
|
|
|
- group, you will not be able to build 'libstdc++' against the
|
|
|
|
- resulting EGLIBC installation.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_LIBM_BIG
|
|
|
|
- bool "Math library size"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group enables default configuration of the math library.
|
|
|
|
- Not selecting this option group removes most of the extended and
|
|
|
|
- double precision math functions and replaces them with wrappers
|
|
|
|
- to the single precision couterparts.
|
|
|
|
- Doing so greatly degrades quality of calculations carried
|
|
|
|
- out by the functions of the math library, but also significantly
|
|
|
|
- reduces the size of the libm.
|
|
|
|
- This option group is useful for systems that do not rely on precise
|
|
|
|
- floating point math.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_LOCALES
|
|
|
|
- bool "Locale definitions"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes all locale definitions other than
|
|
|
|
- that for the "C" locale. If this option group is omitted, then
|
|
|
|
- only the "C" locale is supported.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_LOCALE_CODE
|
|
|
|
- bool "Locale functions"
|
|
|
|
- default y
|
|
|
|
- select EGLIBC_OPTION_POSIX_C_LANG_WIDE_CHAR
|
|
|
|
- help
|
|
|
|
- This option group includes locale support functions, programs,
|
|
|
|
- and libraries. With EGLIBC_OPTION_EGLIBC_LOCALE_CODE disabled,
|
|
|
|
- EGLIBC supports only the 'C' locale (also known as 'POSIX'),
|
|
|
|
- and ignores the settings of the 'LANG' and 'LC_*' environment
|
|
|
|
- variables.
|
|
|
|
-
|
|
|
|
- With EGLIBC_OPTION_EGLIBC_LOCALE_CODE disabled, the following
|
|
|
|
- functions are omitted from libc:
|
|
|
|
-
|
|
|
|
- duplocale localeconv nl_langinfo rpmatch strfmon_l
|
|
|
|
- freelocale newlocale nl_langinfo_l strfmon uselocale
|
|
|
|
-
|
|
|
|
- Furthermore, only the LC_CTYPE and LC_TIME categories of the
|
|
|
|
- standard "C" locale are available.
|
|
|
|
-
|
|
|
|
- The EGLIBC_OPTION_EGLIBC_CATGETS option group depends on this option
|
|
|
|
- group; if you disable EGLIBC_OPTION_EGLIBC_LOCALE_CODE, you must also
|
|
|
|
- disable EGLIBC_OPTION_EGLIBC_CATGETS.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_MEMUSAGE
|
|
|
|
- bool "Memory profiling library"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes the `libmemusage' library and
|
|
|
|
- the `memusage' and `memusagestat' utilities.
|
|
|
|
- These components provide memory profiling functions.
|
|
|
|
-
|
|
|
|
- EGLIBC_OPTION_EGLIBC_MEMUSAGE_DEFAULT_BUFFER_SIZE
|
|
|
|
-
|
|
|
|
- Libmemusage library buffers the profiling data in memory
|
|
|
|
- before writing it out to disk. By default, the library
|
|
|
|
- allocates 1.5M buffer, which can be substantial for some
|
|
|
|
- systems. EGLIBC_OPTION_EGLIBC_MEMUSAGE_DEFAULT_BUFFER_SIZE option
|
|
|
|
- allows to change the default buffer size. It specifies
|
|
|
|
- the number of entries the buffer should have.
|
|
|
|
- On most architectures one buffer entry amounts to 48 bytes,
|
|
|
|
- so setting this option to the value of 512 will reduce the size of
|
|
|
|
- the memory buffer to 24K.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_NIS
|
|
|
|
- bool "Support for NIS, NIS+, and the special 'compat' services."
|
|
|
|
- default n
|
|
|
|
- select EGLIBC_OPTION_EGLIBC_INET
|
|
|
|
- select EGLIBC_OPTION_EGLIBC_SUNRPC
|
|
|
|
- help
|
|
|
|
- This option group includes the NIS, NIS+, and 'compat' Name
|
|
|
|
- Service Switch service libraries. When it is disabled, those
|
|
|
|
- services libraries are not installed; you should remove any
|
|
|
|
- references to them from your 'nsswitch.conf' file.
|
|
|
|
-
|
|
|
|
- This option group depends on the EGLIBC_OPTION_EGLIBC_INET option
|
|
|
|
- group; you must enable that to enable this option group.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_NSSWITCH
|
|
|
|
- bool "Name service switch (nsswitch) support"
|
|
|
|
- default y
|
|
|
|
- select EGLIBC_OPTION_EGLIBC_INET
|
|
|
|
- help
|
|
|
|
-
|
|
|
|
- This option group includes support for the 'nsswitch' facility.
|
|
|
|
- With this option group enabled, all EGLIBC functions for
|
|
|
|
- accessing various system databases (passwords and groups;
|
|
|
|
- networking; aliases; public keys; and so on) consult the
|
|
|
|
- '/etc/nsswitch.conf' configuration file to decide how to handle
|
|
|
|
- queries.
|
|
|
|
-
|
|
|
|
- With this option group disabled, EGLIBC uses a fixed list of
|
|
|
|
- services to satisfy queries on each database, as requested by
|
|
|
|
- configuration files specified when EGLIBC is built. Your
|
|
|
|
- 'option-groups.config' file must set the following two
|
|
|
|
- variables:
|
|
|
|
-
|
|
|
|
- EGLIBC_OPTION_EGLIBC_NSSWITCH_FIXED_CONFIG
|
|
|
|
-
|
|
|
|
- Set this to the name of a file whose contents observe the
|
|
|
|
- same syntax as an ordinary '/etc/nsswitch.conf' file. The
|
|
|
|
- EGLIBC build process parses this file just as EGLIBC would
|
|
|
|
- at run time if EGLIBC_NSSWITCH were enabled, and
|
|
|
|
- produces a C library that uses the nsswitch service
|
|
|
|
- libraries to search for database entries as this file
|
|
|
|
- specifies, instead of consulting '/etc/nsswitch.conf' at run
|
|
|
|
- time.
|
|
|
|
-
|
|
|
|
- This should be an absolute filename. The EGLIBC build
|
|
|
|
- process may use it from several different working
|
|
|
|
- directories. It may include references to Makefile
|
|
|
|
- variables like 'common-objpfx' (the top of the build tree,
|
|
|
|
- with a trailing slash), or '..' (the top of the source tree,
|
|
|
|
- with a trailing slash).
|
|
|
|
-
|
|
|
|
- The EGLIBC source tree includes a sample configuration file
|
|
|
|
- named 'nss/fixed-nsswitch.conf'; for simple configurations,
|
|
|
|
- you will probably want to delete references to databases not
|
|
|
|
- needed on your system.
|
|
|
|
-
|
|
|
|
- EGLIBC_OPTION_EGLIBC_NSSWITCH_FIXED_FUNCTIONS
|
|
|
|
-
|
|
|
|
- The EGLIBC build process uses this file to decide which
|
|
|
|
- functions to make available from which service libraries.
|
|
|
|
- The file 'nss/fixed-nsswitch.functions' serves as a sample
|
|
|
|
- configuration file for this setting, and explains its syntax
|
|
|
|
- and meaning in more detail.
|
|
|
|
-
|
|
|
|
- This should be an absolute file name. The EGLIBC build
|
|
|
|
- process may use it from several different working
|
|
|
|
- directories. It may include references to Makefile
|
|
|
|
- variables like 'common-objpfx' (the top of the build tree,
|
|
|
|
- with a trailing slash), or '..' (the top of the source tree,
|
|
|
|
- with a trailing slash).
|
|
|
|
-
|
|
|
|
- Be sure to mention each function in each service you wish to
|
|
|
|
- use. If you do not mention a service's function here, the
|
|
|
|
- EGLIBC database access functions will not find it, even if
|
|
|
|
- it is listed in the EGLIBC_OPTION_EGLIBC_NSSWITCH_FIXED_CONFIG
|
|
|
|
- file.
|
|
|
|
-
|
|
|
|
- In this arrangement, EGLIBC will not use the 'dlopen' and
|
|
|
|
- 'dlsym' functions to find database access functions. Instead,
|
|
|
|
- libc hard-codes references to the service libraries' database
|
|
|
|
- access functions. You must explicitly link your program
|
|
|
|
- against the name service libraries (those whose names start
|
|
|
|
- with 'libnss_', in the sysroot's '/lib' directory) whose
|
|
|
|
- functions you intend to use. This arrangement helps
|
|
|
|
- system-wide static analysis tools decide which functions a
|
|
|
|
- system actually uses.
|
|
|
|
-
|
|
|
|
- Note that some nsswitch service libraries require other option
|
|
|
|
- groups to be enabled; for example, the EGLIBC_OPTION_EGLIBC_INET
|
|
|
|
- option group must be enabled to use the 'libnss_dns.so.2'
|
|
|
|
- service library, which uses the Domain Name System network
|
|
|
|
- protocol to answer queries.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_RCMD
|
|
|
|
- bool "Support for 'rcmd' and related library functions"
|
|
|
|
- default y
|
|
|
|
- select EGLIBC_OPTION_EGLIBC_INET
|
|
|
|
- help
|
|
|
|
- This option group includes functions for running commands on
|
|
|
|
- remote machines via the 'rsh' protocol, and doing authentication
|
|
|
|
- related to those functions. This also includes functions that
|
|
|
|
- use the 'rexec' protocol.
|
|
|
|
-
|
|
|
|
- This option group includes the following functions:
|
|
|
|
-
|
|
|
|
- rcmd ruserok
|
|
|
|
- rcmd_af ruserok_af
|
|
|
|
- rexec iruserok
|
|
|
|
- rexec_af iruserok_af
|
|
|
|
- rresvport ruserpass
|
|
|
|
- rresvport_af
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_RTLD_DEBUG
|
|
|
|
- bool "Runtime linker debug print outs"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group enables debug output of the runtime linker
|
|
|
|
- which is activated via LD_DEBUG and LD_TRACE_PRELINKING
|
|
|
|
- environment variables. Disabling this option group yields
|
|
|
|
- a smaller runtime linker binary.
|
|
|
|
- BEWARE: Disabling this option group is likely to break
|
|
|
|
- the `ldd' utility which may also be used by the prelinker.
|
|
|
|
- In particular, the `--unused' ldd option will not work correctly.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_SPAWN
|
|
|
|
- bool "Support for POSIX posix_spawn functions"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes the POSIX functions for executing
|
|
|
|
- programs in child processes without using 'fork' or 'vfork'.
|
|
|
|
-
|
|
|
|
- This option group includes the following functions:
|
|
|
|
-
|
|
|
|
- posix_spawn
|
|
|
|
- posix_spawnattr_destroy
|
|
|
|
- posix_spawnattr_getflags
|
|
|
|
- posix_spawnattr_getpgroup
|
|
|
|
- posix_spawnattr_getschedparam
|
|
|
|
- posix_spawnattr_getschedpolicy
|
|
|
|
- posix_spawnattr_getsigdefault
|
|
|
|
- posix_spawnattr_getsigmask
|
|
|
|
- posix_spawnattr_init
|
|
|
|
- posix_spawnattr_setflags
|
|
|
|
- posix_spawnattr_setpgroup
|
|
|
|
- posix_spawnattr_setschedparam
|
|
|
|
- posix_spawnattr_setschedpolicy
|
|
|
|
- posix_spawnattr_setsigdefault
|
|
|
|
- posix_spawnattr_setsigmask
|
|
|
|
- posix_spawn_file_actions_addclose
|
|
|
|
- posix_spawn_file_actions_adddup2
|
|
|
|
- posix_spawn_file_actions_addopen
|
|
|
|
- posix_spawn_file_actions_destroy
|
|
|
|
- posix_spawn_file_actions_init
|
|
|
|
- posix_spawnp
|
|
|
|
-
|
|
|
|
- This option group also provides the ability for the iconv,
|
|
|
|
- localedef, and locale programs to operate transparently on
|
|
|
|
- compressed charset definitions. When this option group is
|
|
|
|
- disabled, those programs will only operate on uncompressed
|
|
|
|
- charmap files.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_STREAMS
|
|
|
|
- bool "Support for accessing STREAMS."
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes functions for reading and writing
|
|
|
|
- messages to and from STREAMS. The STREAMS interface provides a
|
|
|
|
- uniform mechanism for implementing networking services and other
|
|
|
|
- character-based I/O. (STREAMS are not to be confused with
|
|
|
|
- <stdio.h> FILE objects, also called 'streams'.)
|
|
|
|
-
|
|
|
|
- This option group includes the following functions:
|
|
|
|
-
|
|
|
|
- getmsg putpmsg
|
|
|
|
- getpmsg fattach
|
|
|
|
- isastream fdetach
|
|
|
|
- putmsg
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_SUNRPC
|
|
|
|
- bool "Support for the Sun 'RPC' protocol."
|
|
|
|
- default n
|
|
|
|
- select EGLIBC_OPTION_EGLIBC_INET
|
|
|
|
- help
|
|
|
|
- This option group includes support for the Sun RPC protocols,
|
|
|
|
- including the 'rpcgen' and 'rpcinfo' programs.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_UTMP
|
|
|
|
- bool "Older access functions for 'utmp' login records"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes the older 'utent' family of
|
|
|
|
- functions for accessing user login records in the 'utmp' file.
|
|
|
|
- POSIX omits these functions in favor of the 'utxent' family,
|
|
|
|
- and they are obsolete on systems other than Linux.
|
|
|
|
-
|
|
|
|
- This option group includes the following functions:
|
|
|
|
-
|
|
|
|
- endutent
|
|
|
|
- getutent
|
|
|
|
- getutent_r
|
|
|
|
- getutid
|
|
|
|
- getutid_r
|
|
|
|
- getutline
|
|
|
|
- getutline_r
|
|
|
|
- logwtmp
|
|
|
|
- pututline
|
|
|
|
- setutent
|
|
|
|
- updwtmp
|
|
|
|
- utmpname
|
|
|
|
-
|
|
|
|
- This option group includes the following libraries:
|
|
|
|
-
|
|
|
|
- libutil.so (and libutil.a)
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_UTMPX
|
|
|
|
- bool "POSIX access functions for 'utmp' login records"
|
|
|
|
- default y
|
|
|
|
- select EGLIBC_OPTION_EGLIBC_UTMP
|
|
|
|
- help
|
|
|
|
- This option group includes the POSIX functions for reading and
|
|
|
|
- writing user login records in the 'utmp' file (usually
|
|
|
|
- '/var/run/utmp'). The POSIX functions operate on 'struct
|
|
|
|
- utmpx' structures, as opposed to the family of older 'utent'
|
|
|
|
- functions, which operate on 'struct utmp' structures.
|
|
|
|
-
|
|
|
|
- This option group includes the following functions:
|
|
|
|
-
|
|
|
|
- endutxent
|
|
|
|
- getutmp
|
|
|
|
- getutmpx
|
|
|
|
- getutxent
|
|
|
|
- getutxid
|
|
|
|
- getutxline
|
|
|
|
- pututxline
|
|
|
|
- setutxent
|
|
|
|
- updwtmpx
|
|
|
|
- utmpxname
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_EGLIBC_WORDEXP
|
|
|
|
- bool "Shell-style word expansion"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes the 'wordexp' function for
|
|
|
|
- performing word expansion in the manner of the shell, and the
|
|
|
|
- accompanying 'wordfree' function.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_POSIX_C_LANG_WIDE_CHAR
|
|
|
|
- bool "ISO C library wide character functions, excluding I/O"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes the functions defined by the ISO C
|
|
|
|
- standard for working with wide and multibyte characters in
|
|
|
|
- memory. Functions for reading and writing wide and multibyte
|
|
|
|
- characters from and to files call in the
|
|
|
|
- EGLIBC_OPTION_POSIX_WIDE_CHAR_DEVICE_IO option group.
|
|
|
|
-
|
|
|
|
- This option group includes the following functions:
|
|
|
|
-
|
|
|
|
- btowc mbsinit wcscspn wcstoll
|
|
|
|
- iswalnum mbsrtowcs wcsftime wcstombs
|
|
|
|
- iswalpha mbstowcs wcslen wcstoul
|
|
|
|
- iswblank mbtowc wcsncat wcstoull
|
|
|
|
- iswcntrl swprintf wcsncmp wcstoumax
|
|
|
|
- iswctype swscanf wcsncpy wcsxfrm
|
|
|
|
- iswdigit towctrans wcspbrk wctob
|
|
|
|
- iswgraph towlower wcsrchr wctomb
|
|
|
|
- iswlower towupper wcsrtombs wctrans
|
|
|
|
- iswprint vswprintf wcsspn wctype
|
|
|
|
- iswpunct vswscanf wcsstr wmemchr
|
|
|
|
- iswspace wcrtomb wcstod wmemcmp
|
|
|
|
- iswupper wcscat wcstof wmemcpy
|
|
|
|
- iswxdigit wcschr wcstoimax wmemmove
|
|
|
|
- mblen wcscmp wcstok wmemset
|
|
|
|
- mbrlen wcscoll wcstol
|
|
|
|
- mbrtowc wcscpy wcstold
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_POSIX_REGEXP
|
|
|
|
- bool "Regular expressions"
|
|
|
|
- default y
|
|
|
|
- help
|
|
|
|
- This option group includes the POSIX regular expression
|
|
|
|
- functions, and the associated non-POSIX extensions and
|
|
|
|
- compatibility functions.
|
|
|
|
-
|
|
|
|
- With EGLIBC_OPTION_POSIX_REGEXP disabled, the following functions are
|
|
|
|
- omitted from libc:
|
|
|
|
-
|
|
|
|
- re_comp re_max_failures regcomp
|
|
|
|
- re_compile_fastmap re_search regerror
|
|
|
|
- re_compile_pattern re_search_2 regexec
|
|
|
|
- re_exec re_set_registers regfree
|
|
|
|
- re_match re_set_syntax rpmatch
|
|
|
|
- re_match_2 re_syntax_options
|
|
|
|
-
|
|
|
|
- Furthermore, the compatibility regexp interface defined in the
|
|
|
|
- <regexp.h> header file, 'compile', 'step', and 'advance', is
|
|
|
|
- omitted.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_POSIX_REGEXP_GLIBC
|
|
|
|
- bool "Regular expressions from GLIBC"
|
|
|
|
- default y
|
|
|
|
- select EGLIBC_OPTION_POSIX_REGEXP
|
|
|
|
- help
|
|
|
|
- This option group specifies which regular expression
|
|
|
|
- library to use. The choice is between regex
|
|
|
|
- implementation from GLIBC and regex implementation from
|
|
|
|
- libiberty. The GLIBC variant is fully POSIX conformant and
|
|
|
|
- optimized for speed; regex from libiberty is more than twice
|
|
|
|
- as small while still is enough for most practical purposes.
|
|
|
|
-
|
|
|
|
-
|
|
|
|
-config EGLIBC_OPTION_POSIX_WIDE_CHAR_DEVICE_IO
|
|
|
|
- bool "Input and output functions for wide characters"
|
|
|
|
- default y
|
|
|
|
- select EGLIBC_OPTION_POSIX_C_LANG_WIDE_CHAR
|
|
|
|
- help
|
|
|
|
- This option group includes functions for reading and writing
|
|
|
|
- wide characters to and from <stdio.h> streams.
|
|
|
|
-
|
|
|
|
- This option group includes the following functions:
|
|
|
|
-
|
|
|
|
- fgetwc fwprintf putwchar vwscanf
|
|
|
|
- fgetws fwscanf ungetwc wprintf
|
|
|
|
- fputwc getwc vfwprintf wscanf
|
|
|
|
- fputws getwchar vfwscanf
|
|
|
|
- fwide putwc vwprintf
|
|
|
|
-
|
|
|
|
- This option group further includes the following unlocked
|
|
|
|
- variants of the above functions:
|
|
|
|
-
|
|
|
|
- fgetwc_unlocked getwc_unlocked
|
|
|
|
- fgetws_unlocked getwchar_unlocked
|
|
|
|
- fputwc_unlocked putwc_unlocked
|
|
|
|
- fputws_unlocked putwchar_unlocked
|
|
|
|
-
|
|
|
|
- Note that the GNU standard C++ library, 'libstdc++.so', uses
|
|
|
|
- some of these functions; you will not be able to link or run
|
|
|
|
- C++ programs if you disable this option group.
|
|
|
|
-
|
|
|
|
- This option group also affects the behavior of the following
|
|
|
|
- functions:
|
|
|
|
-
|
|
|
|
- fdopen
|
|
|
|
- fopen
|
|
|
|
- fopen64
|
|
|
|
- freopen
|
|
|
|
- freopen64
|
|
|
|
-
|
|
|
|
- These functions all take an OPENTYPE parameter which may
|
|
|
|
- contain a string of the form ",ccs=CHARSET", indicating that
|
|
|
|
- the underlying file uses the character set named CHARSET.
|
|
|
|
- This produces a wide-oriented stream, which is only useful
|
|
|
|
- when the functions included in this option group are present.
|
|
|
|
- If the user attempts to open a file specifying a character set
|
|
|
|
- in the OPENTYPE parameter, and EGLIBC was built with this
|
|
|
|
- option group disabled, the function returns NULL, and sets
|
|
|
|
- errno to EINVAL.
|
|
|