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/picolibc-latest/
Dmeson_options.txt35 option('fast-strcmp', type: 'boolean', value: true,
38 option('have-alias-attribute', type: 'combo', choices: ['true', 'false', 'auto'], value: 'auto',
41 option('have-format-attribute', type: 'combo', choices: ['true', 'false', 'auto'], value: 'auto',
44 option('have-weak-attribute', type: 'combo', choices: ['true', 'false', 'auto'], value: 'auto',
47 option('multilib', type: 'boolean', value: true,
50 option('multilib-list', type: 'array', value: [],
53 option('multilib-exclude', type: 'array', value: [],
56 option('build-type-subdir', type: 'string',
59 option('picolib', type: 'boolean', value: true,
62 option('picocrt', type: 'boolean', value: true,
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DCMakeLists.txt86 option(FAST_STRCMP "Always optimize strcmp for performance" ON)
94 option(NEWLIB_GLOBAL_ERRNO "use global errno variable" OFF)
99 option(PICOLIBC_TLS "use thread local storage for static data" ON)
106 option(POSIX_IO "Provide fopen/fdopen using POSIX I/O (open, close, read, write, lseek)" ON)
108 option(POSIX_CONSOLE "Use POSIX I/O for stdin/stdout/stderr" OFF)
118 option(PREFER_SIZE_OVER_SPEED "Prefer smaller code size" ${default_prefer_size})
125 option(TINY_STDIO "Use tiny stdio from avr libc" ON)
355 option(_IO_FLOAT_EXACT "Provide exact binary/decimal conversion for printf/scanf" ON)
363 option(_ASSERT_VERBOSE "Assert provides verbose information" ON)
367 option(_PICOLIBC_ATOMIC_SIGNAL "Use atomics in signal/raise" ON)
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DREADME.md189 * Make Zephyr's -Oz cmake option enable
243 * Provide a build-time option to enable %n in printf. This is
250 strict standards conformance, there's now an option that enables
301 * Add an option (-Dfast-bufio=true) for more efficient fread/fwrite
384 * Provide a division-free binary to decimal conversion option for
388 meson option and is 'false' by default.
396 * Add a 'assert-verbose' option which controls whether the assert
580 * Support Picolibc as default C library with -Dsystem-libc option.
633 2. Fix config option documentation. (Thanks to rdiez)
1058 7. Check for correct prefix when sysroot-install option is
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Dmeson.build229 error('sanitize-bounds option selected but -fsanitize=bounds is not supported')
484 error('tinystdio does not support the wide-orient option (newlib-wide-orient)')
488 error('newlib stdio does not support the posix-console option (posix-console)')
664 # Each option is computed in three parts, the 'prefix' value
677 # How to format each of the three option-selected
752 # Prepend the multilib -L option to the non-multilib option
850 # Select a fortify source option
DCOPYING.GPL288 you may at your option offer warranty protection in exchange for a fee.
244 later version", you have the option of following the terms and conditions
299 (at your option) any later version.
DCOPYING.NEWLIB426 version 2.1 of the License, or (at your option) any later version.
445 of the License, or (at your option) any later version.
DCOPYING.picolibc4592 License, or (at your option) any later version.
/picolibc-latest/newlib/libc/include/
Dgetopt.h105 struct option struct
160 const struct option * __longopts, int *__longind);
163 const struct option * __longopts, int *__longind);
170 const struct option * __longopts, int *__longind,
174 const struct option * __longopts, int *__longind,
/picolibc-latest/semihost/machine/riscv/
Dsemihost-riscv.S40 .option push
41 .option norvc
47 .option pop
/picolibc-latest/doc/
Dprintf.md49 the picolibc built-time option, `-Dformat-default`, which defaults to
60 this option maps __d_vfprintf to vfprintf and __d_vfscanf to
90 option maps __l_vfprintf to vfprintf and __l_vfscanf to
104 picolibc.specs stanza that matches this option maps __i_vfprintf to
123 matches this option maps __m_vfprintf to vfprintf and __m_vfscanf
196 There's a build-time option available that enables long-long support
212 * `-Dio-c99-formats=true` This option controls whether support for
216 like PRId8 is always provided. This option is enabled by default.
218 * `-Dio-pos-args=true` This option add support for C99 positional
222 variant. This option is disabled by default.
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Dembedsource.md52 …option in gcc to ignore the bundled c-library. The development version GCC 9.0 will have an `-noli…
Dctype.md16 When building with the 'optimize for size' option enabled (-Os), the
Dbuild.md24 Use -D<option-name>=<value> on the meson command line to change from
65 printf/scanf modes, the `io-long-long` option adds them to the limited
155 … | Compute .data/.bss sizes at runtime rather than linktime. <br> This option exists for targets…
164 As a separate option, you can make `errno` not use TLS if necessary.
173 ### Malloc option
294 supported by the compiler using the `--print-multi-lib` command-line option:
Dlinking.md20 `-specs=picolibc.specs`, you'll need to use the gcc `-T` option
21 instead of using the `-Wl,-T` linker pass through option. This causes
Dos.md164 As a build-time option, Picolibc can be configured to use POSIX read
/picolibc-latest/zephyr/
Dzephyr.cmake43 function (picolibc_option_true name option)
44 if(${option})
52 foreach(option ${option_list})
53 if (${option})
61 function (picolibc_option_false name option)
62 if(${option})
DKconfig7 This option builds the picolibc module. It is only used if
/picolibc-latest/newlib/libc/machine/riscv/
Dmemset.S66 .option push
67 .option norvc
86 .option pop
/picolibc-latest/newlib/libc/stdlib/
Dgetopt.c191 const struct option *longopts, int *longind, int only, in getopt_internal()
478 const struct option *longopts, int *longind) in getopt_long()
491 const struct option *longopts, int *longind) in getopt_long_only()
511 const struct option *longopts, int *longind, in __getopt_long_r()
519 const struct option *longopts, int *longind, in __getopt_long_only_r()
/picolibc-latest/newlib/
DREADME91 `--srcdir' option to specify where to find the source. (You also need
94 argument to `--srcdir', you can leave out the `--srcdir' option; it
128 To disable, run `make V=1'; or use the `--disable-silent-rules’ option
142 `--target=TARGET' option. The equivalent full name is
200 prefer; but you may abbreviate option names if you use `--'.
214 *Warning: using this option requires GNU `make', or another `make'
216 Use this option to make configurations in directories separate
320 still acts as default for STDIN/STDOUT/STDERR even if this option
347 increases stack consumption by about `BUFSIZ' bytes. This option
362 this option. Legacy ldtoa also use heap, however, only 1KB memory
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DNEWS22 - add --enable-newlib-reent-thread-local configuration option
23 - add --enable-newlib-reent-binary-compat configuration option
32 - remove use of --cygnus option for automake
75 - new --enable-newlib-reent-check-verify configure option to verify reent memory
179 - removal of enable-newlib-fp-hw option and
252 * new configuration option to turn off dynamic allocation for atexit
273 * new configuration option to disable syscalls in newlib (e.g. sys/arm)
295 * new --enable-newlib-elix-level configuration option
331 * Added check for --enable-newlib-mb configure option which defines the
DChangeLog-20151586 option "--enable-lite-exit" is in effect. Refactor the code.
1722 * configure.in (--enable-newlib-nano-formatted-io): New option.
1724 * libc/configure.in (--enable-newlib-nano-formatted-io): New option.
1727 configuration option.
2420 * newlib/libc/include/getopt.h (struct option): name field should be
2510 * configure.in (enable-newlib-global-atexit): New option.
2514 new option.
2728 * configure.in (enable-lite-exit): New option.
2788 * configure.in (--enable-newlib-unbuf-stream-opt): New option.
2793 * README: Add description about the option.
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/picolibc-latest/newlib/libc/iconv/
Diconv.tex879 script option should be used. This option accepts a comma-separated list
880 of @emph{encodings} that should be enabled. The option enables each encoding in both
884 The @option{--enable-newlib-iconv-from-encodings} configure script option enables
888 The @option{--enable-newlib-iconv-to-encodings} configure script option enables
910 configure script option, but it isn't so optimal since there will be
914 The @option{--enable-newlib-iconv-external-ccs} option enables iconv's
918 The @option{--enable-target-optspace} Newlib configure script option also affects
919 the iconv library. If this option is present, the library uses the size
922 @option{--enable-newlib-iconv-external-ccs} configure script option was used,
924 @option{--enable-target-optspace}configure script option is disabled,
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/picolibc-latest/newlib/libc/sys/rtems/include/
DREADME8 cddl/*: add a WITH(OUT)_DTRACE option
10 Add an option to enable/disable DTrace without disabling ZFS. New
14 For compatiblity, the CDDL option remains and WITHOUT_CDDL implies