Upgrade to 15.0.0

[mamtashukla]

Series include:
910cc98 Makefile.uk: add -std=c++20
1247952 Makefile.uk: Upgrade to 15.0.0

Fixes: unikraft/lib-compiler-rt#7

[mariasfiraiala]

Thanks @mamtashukla, see my suggestion from below, and just like I mentioned in unikraft/lib-libcxx#3, in the commit message, right after the selector, use capital letter. This is for your Makefile.uk: add -std=c++20 commit.

[mariasfiraiala]

Suggested change

	LIBCXXABI_CXXFLAGS-y += $(LIBCXX_CONFIG_FLAGS) -std=c++2a
	LIBCXXABI_CXXFLAGS-y += $(LIBCXXABI_CONFIG_FLAGS) -std=c++2a

[mamtashukla]

Thanks @mamtashukla, see my suggestion from below, and just like I mentioned in unikraft/lib-libcxx#3, in the commit message, right after the selector, use capital letter. This is for your Makefile.uk: add -std=c++20 commit.

Thanks for review.
v2:
-fix commit message
-use correct flags LIBCXX_CONFIG_FLAGS-> LIBCXXABI_CONFIG_FLAGS

[mariasfiraiala]

All good on my part, now, thanks for the prompt update @mamtashukla!

Reviewed-by: Maria Sfiraiala [email protected]

[StefanJum]

Thank you @mamtashukla. Please remove the long lines from the second commit message. Only Use -std=c++20 flag to allow constint will do.

[mamtashukla]

Thank you @mamtashukla. Please remove the long lines from the second commit message. Only Use -std=c++20 flag to allow constint will do.

Thanks! Updated.