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kernel: Allow non-zephyr toolchains to advertise TLS support

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Use a new environment variable,
ZEPHYR_TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE, to set the value for
TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE instead of setting it to 'n' for
all non-Zephyr toolchains. In particular, the Debian arm-none-eabi
toolchain has TLS support and with this option, can be used to build
Zephyr with thread local variables.

Signed-off-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Keith Packard 2022-05-14 22:37:00 -07:00 • committed by Carles Cufí
commit 275b40ef25
1 changed files with 1 additions and 1 deletions
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kernel/Kconfig
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@ -922,7 +922,7 @@ config TICKLESS_KERNEL
config TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE config TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE
bool bool
default y if "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "zephyr" default y if "$(ZEPHYR_TOOLCHAIN_VARIANT)" = "zephyr" || "$(ZEPHYR_TOOLCHAIN_SUPPORTS_THREAD_LOCAL_STORAGE)" = "y"
help help
Hidden option to signal that toolchain supports generating code Hidden option to signal that toolchain supports generating code
with thread local storage. with thread local storage.