Upgrade to 15.0.0

Makefile.uk

@@ -50,7 +50,7 @@ endif
 ################################################################################
 # Sources
 ################################################################################
-LIBCXX_VERSION=14.0.6
+LIBCXX_VERSION=15.0.0
 LIBCXX_URL=https://github.com/llvm/llvm-project/releases/download/llvmorg-$(LIBCXX_VERSION)/libcxx-$(LIBCXX_VERSION).src.tar.xz
 LIBCXX_PATCHDIR=$(LIBCXX_BASE)/patches
 $(eval $(call fetch,libcxx,$(LIBCXX_URL)))
@@ -102,7 +102,7 @@ LIBCXX_SUPPRESS_FLAGS-$(call have_gcc) += -Wno-maybe-uninitialized
 LIBCXX_SUPPRESS_FLAGS-$(call have_gcc) += -Wno-unknown-pragmas
 
 LIBCXX_CFLAGS-y    += $(LIBCXX_CONFIG_FLAGS)
-LIBCXX_CXXFLAGS-y  += $(LIBCXX_CONFIG_FLAGS) -std=c++2a
+LIBCXX_CXXFLAGS-y  += $(LIBCXX_CONFIG_FLAGS) -std=c++2a -fpermissive
 LIBCXX_CXXFLAGS-$(call have_gcc) += -Wno-literal-suffix
 LIBCXX_CXXFLAGS-$(call have_gcc) += -Wno-dangling-reference
 

patches/0001-Remove-ABI-tag.patch

@@ -0,0 +1,50 @@
+From 316e4eee534e9474e34f928d5451032556377853 Mon Sep 17 00:00:00 2001
+From: Mamta Shukla <mamtashukla555@gmail.com>
+Date: Sun, 6 Aug 2023 22:49:45 +0200
+Subject: [PATCH] Remove ABI tag
+
+Signed-off-by: Mamta Shukla <mamtashukla555@gmail.com>
+---
+ include/__support/musl/xlocale.h | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/include/__support/musl/xlocale.h b/include/__support/musl/xlocale.h
+index f564c87..97b4876 100644
+--- a/include/__support/musl/xlocale.h
++++ b/include/__support/musl/xlocale.h
+@@ -24,27 +24,27 @@
+ extern "C" {
+ #endif
+
+-inline _LIBCPP_HIDE_FROM_ABI long long
++inline long long
+ strtoll_l(const char *__nptr, char **__endptr, int __base, locale_t) {
+   return ::strtoll(__nptr, __endptr, __base);
+ }
+
+-inline _LIBCPP_HIDE_FROM_ABI unsigned long long
++inline unsigned long long
+ strtoull_l(const char *__nptr, char **__endptr, int __base, locale_t) {
+   return ::strtoull(__nptr, __endptr, __base);
+ }
+
+-inline _LIBCPP_HIDE_FROM_ABI long long
++inline long long
+ wcstoll_l(const wchar_t *__nptr, wchar_t **__endptr, int __base, locale_t) {
+   return ::wcstoll(__nptr, __endptr, __base);
+ }
+
+-inline _LIBCPP_HIDE_FROM_ABI long long
++inline long long
+ wcstoull_l(const wchar_t *__nptr, wchar_t **__endptr, int __base, locale_t) {
+   return ::wcstoull(__nptr, __endptr, __base);
+ }
+
+-inline _LIBCPP_HIDE_FROM_ABI long double
++inline long double
+ wcstold_l(const wchar_t *__nptr, wchar_t **__endptr, locale_t) {
+   return ::wcstold(__nptr, __endptr);
+ }
+-- 
+2.25.1
+