diff options
Diffstat (limited to 'etc/patches/clang-20/libcxx-musl-support.patch')
| -rw-r--r-- | etc/patches/clang-20/libcxx-musl-support.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/etc/patches/clang-20/libcxx-musl-support.patch b/etc/patches/clang-20/libcxx-musl-support.patch new file mode 100644 index 0000000..96cf13d --- /dev/null +++ b/etc/patches/clang-20/libcxx-musl-support.patch @@ -0,0 +1,59 @@ +From cfceef12ffa2963ffc32a0e2797dfc7e5ff7a2ac Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Fri, 21 Mar 2025 13:10:23 +0200 +Subject: [PATCH] libcxx: Add musl support for __locale + +... which does not provide a known rune table and uses +missing locale-based string to integer conversion functions. +--- + libcxx/include/__locale | 32 ++++++++++++++++++++++++++++++++ + 1 file changed, 32 insertions(+) + +diff --git a/libcxx/include/__locale_dir/locale_base_api.h b/libcxx/include/__locale_dir/locale_base_api.h +index c1e73ca..3ece532 100644 +--- a/libcxx/include/__locale_dir/locale_base_api.h ++++ b/libcxx/include/__locale_dir/locale_base_api.h +@@ -133,6 +133,40 @@ + # include <__locale_dir/locale_base_api/openbsd.h> + # elif defined(__wasi__) || _LIBCPP_HAS_MUSL_LIBC + # include <__locale_dir/locale_base_api/musl.h> ++# else ++ // Detect musl libc (inspired by musl detection from gcc's config.guess) ++# include <features.h> ++# if !(defined(__UCLIBC__) || defined(__dietlibc__) || defined(__GLIBC__)) ++# include <stdarg.h> ++# ifdef __DEFINED_va_list ++# ifndef __MUSL_LIBC__ ++# define __MUSL_LIBC__ ++# endif ++# endif ++# endif ++ ++# ifdef __MUSL_LIBC__ ++# include <clocale> ++# include <cstdlib> ++ // Fall back to default rune table for musl libc ++# ifndef _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE ++# define _LIBCPP_PROVIDES_DEFAULT_RUNE_TABLE ++# endif ++ // Implement missing strto*_l functions for musl libc ++# define __MUSL_LIBC_CREATE_STRTOX_L(X) \ ++ static inline auto \ ++ strto ## X ## _l(const char* str, char** end, int base, locale_t l) { \ ++ locale_t old = uselocale(l); \ ++ auto result = strto ## X(str, end, base); \ ++ uselocale(old); \ ++ return result; \ ++ } ++ __MUSL_LIBC_CREATE_STRTOX_L(l) ++ __MUSL_LIBC_CREATE_STRTOX_L(ll) ++ __MUSL_LIBC_CREATE_STRTOX_L(ul) ++ __MUSL_LIBC_CREATE_STRTOX_L(ull) ++# undef __MUSL_LIBC_CREATE_STRTOX_L ++# endif + # endif + + # include <__locale_dir/locale_base_api/bsd_locale_fallbacks.h> +-- +2.30.2 + |