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lib: libc: picolibc: Clean up Kconfig configurations

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This commit updates the Picolibc configurations to remove any
unnecessary defaults and dependencies and conform to the de-facto
standard convention across the Zephyr repository.

Signed-off-by: Stephanos Ioannidis <stephanos.ioannidis@nordicsemi.no>
This commit is contained in:
Stephanos Ioannidis 2022-12-07 18:34:15 +09:00 committed by Christopher Friedt
parent c9c40d9465
commit 997f5edf1a
2 changed files with 5 additions and 21 deletions
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7
lib/libc/Kconfig
View file

@ -71,14 +71,9 @@ endchoice # LIBC_IMPLEMENTATION
config HAS_NEWLIB_LIBC_NANO
bool
if PICOLIBC
source "lib/libc/picolibc/Kconfig"
endif # PICOLIBC
rsource "minimal/Kconfig"
rsource "newlib/Kconfig"
rsource "picolibc/Kconfig"
config STDOUT_CONSOLE
bool "Send stdout to console"

19
lib/libc/picolibc/Kconfig
View file

@ -1,6 +1,8 @@
# Copyright © 2021 Amazon.com, Inc. or its affiliates.
# SPDX-License-Identifier: Apache-2.0
if PICOLIBC
config PICOLIBC_USE_MODULE
bool "Use picolibc module"
default y
@ -29,20 +31,17 @@ config PICOLIBC_HEAP_SIZE
config PICOLIBC_IO_LONG_LONG
bool "support for long long in integer-only printf/scanf"
default n
help
Includes support for long long in integer-only printf/scanf. long long
types are always supported in the floating-point versions.
config PICOLIBC_IO_FLOAT
bool "support for floating point values in printf/scanf"
default n
help
Include floating point support in printf/scanf functions.
if PICOLIBC_USE_MODULE
if PICOLIBC
choice PICOLIBC_OPTIMIZATIONS
prompt "Optimization level"
default PICOLIBC_SIZE_OPTIMIZATIONS if SIZE_OPTIMIZATIONS
@ -106,7 +105,6 @@ config PICOLIBC_IO_POS_ARGS
config PICOLIBC_IO_FLOAT_EXACT
bool "support for exact float/string conversion"
default y
depends on PICOLIBC_USE_MODULE
help
Uses Ryu algorithm for exact binary/decimal float conversions.
This ensures that printf values with enough digits can be
@ -114,29 +112,22 @@ config PICOLIBC_IO_FLOAT_EXACT
config PICOLIBC_LOCALE_INFO
bool "support locales in libc functions"
default n
depends on PICOLIBC_USE_MODULE
help
Includes code for basic locale support
config PICOLIBC_LOCALE_EXTENDED_INFO
bool "support extended locales in libc functions"
default n
depends on PICOLIBC_USE_MODULE
help
Includes code for extended locale support
config PICOLIBC_MULTIBYTE
bool "support multibyte functions in libc"
default n
depends on PICOLIBC_USE_MODULE
help
Includes code for multi-byte characters
config PICOLIBC_PICOEXIT
bool "use smaller atexit/onexit implementation"
default y
depends on PICOLIBC_USE_MODULE
help
Provides a simpler atexit/onexit implementation that doesn't use
malloc, but only supports a small number (32) of exit handlers.
@ -144,14 +135,12 @@ config PICOLIBC_PICOEXIT
config PICOLIBC_MULTITHREAD
bool "support multiple threads using retargetable locking API"
default y
depends on PICOLIBC_USE_MODULE
help
Protects shared data structures in libc with mutexes that use
an API which can be retargeted to OS provided routines.
config PICOLIBC_GLOBAL_ERRNO
bool "use a single global variable for errno"
depends on PICOLIBC_USE_MODULE
help
Picolibc usually uses a TLS variable for errno, ensuring that
multiple threads have a reliable mechanism for detecting libc
@ -159,6 +148,6 @@ config PICOLIBC_GLOBAL_ERRNO
which can be used to avoid TLS variable usage by the library if
necessary.
endif
endif # PICOLIBC_USE_MODULE
endif
endif # PICOLIBC