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libC kconfig: Introduce a new option to avoid the native libC

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Let's introduce a new option so components which cannot
be used with the native libC can select it.
And at this point let's already have POSIX_API select it
instead of being used in the libC choice default.

Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
This commit is contained in:
Alberto Escolar Piedras 2024-03-27 14:13:47 +01:00 • committed by Carles Cufí
commit 60d5ce452e
2 changed files with 8 additions and 1 deletions
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8
lib/libc/Kconfig
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@ -57,11 +57,17 @@ config SUPPORT_MINIMAL_LIBC
help help
Legacy symbol that selects MINIMAL_LIBC_SUPPORTED Legacy symbol that selects MINIMAL_LIBC_SUPPORTED
config NATIVE_LIBC_INCOMPATIBLE
bool
help
Other Kconfig options can select this, if they are not compatible with the
native/host libC, and should only be compiled with an embedded libC
menu "C Library" menu "C Library"
choice LIBC_IMPLEMENTATION choice LIBC_IMPLEMENTATION
prompt "C Library Implementation" prompt "C Library Implementation"
default EXTERNAL_LIBC if NATIVE_BUILD && !(NATIVE_LIBRARY && POSIX_API) default EXTERNAL_LIBC if NATIVE_BUILD && !(NATIVE_LIBRARY && NATIVE_LIBC_INCOMPATIBLE)
default PICOLIBC default PICOLIBC
default NEWLIB_LIBC if REQUIRES_FULL_LIBC default NEWLIB_LIBC if REQUIRES_FULL_LIBC
default MINIMAL_LIBC default MINIMAL_LIBC

1
lib/posix/options/Kconfig
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@ -8,6 +8,7 @@ menu "POSIX Options"
config POSIX_API config POSIX_API
depends on !NATIVE_APPLICATION depends on !NATIVE_APPLICATION
bool "POSIX APIs" bool "POSIX APIs"
select NATIVE_LIBC_INCOMPATIBLE
help help
Enable mostly-standards-compliant implementations of Enable mostly-standards-compliant implementations of
various POSIX (IEEE 1003.1) APIs. various POSIX (IEEE 1003.1) APIs.