diff options
Diffstat (limited to 'etc/patches/clang-18/libcxx-musl-support.patch')
| -rw-r--r-- | etc/patches/clang-18/libcxx-musl-support.patch | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/etc/patches/clang-18/libcxx-musl-support.patch b/etc/patches/clang-18/libcxx-musl-support.patch new file mode 100644 index 0000000..b118127 --- /dev/null +++ b/etc/patches/clang-18/libcxx-musl-support.patch @@ -0,0 +1,57 @@ +From cfceef12ffa2963ffc32a0e2797dfc7e5ff7a2ac Mon Sep 17 00:00:00 2001 +From: Oliver Reiche <oliver.reiche@huawei.com> +Date: Wed, 3 Apr 2024 16:23:52 +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 b/libcxx/include/__locale +index 3ba7ac1..98563b6 100644 +--- a/libcxx/include/__locale ++++ b/libcxx/include/__locale +@@ -26,6 +26,38 @@ + #include <cstddef> + #include <cstring> + ++// 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__ ++// 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 ++ + #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS + # include <cwchar> + #else +-- +2.30.2 + |