commit: 66e18dd329f4728409abced4138562a079b30ccd Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Sat Apr 12 15:43:49 2025 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Sat Apr 12 16:34:09 2025 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=66e18dd3
toolchain-funcs.eclass: update tc-get-cxx-stdlib for C++20 <ciso646> is gone from C++20, so use <version> for >= C++20. See https://stackoverflow.com/a/31658120. Signed-off-by: Sam James <sam <AT> gentoo.org> eclass/toolchain-funcs.eclass | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/eclass/toolchain-funcs.eclass b/eclass/toolchain-funcs.eclass index ae21a18a14c2..baf032bbd4ec 100644 --- a/eclass/toolchain-funcs.eclass +++ b/eclass/toolchain-funcs.eclass @@ -1156,7 +1156,12 @@ tc-enables-ssp-all() { # # If the library is not recognized, the function returns 1. tc-get-cxx-stdlib() { - local code='#include <ciso646> + local code=' +#if __cplusplus >= 202002L + #include <version> +#else + #include <ciso646> +#endif #if defined(_LIBCPP_VERSION) HAVE_LIBCXX
