From: Arsen Arsenović <arsen@aarsen.me>
Date: Wed, 8 Nov 2023 09:22:47 +0000 (+0100)
Subject: libstdc++: declare std::allocator in !HOSTED as an extension
X-Git-Tag: basepoints/gcc-15~4838
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d9dbc835d4d6353281218d030f5aed6fdef43a66;p=thirdparty%2Fgcc.git

libstdc++: declare std::allocator in !HOSTED as an extension

This allows us to add features to freestanding which allow specifying
non-default allocators (generators, collections, ...) without having to
modify them.

libstdc++-v3/ChangeLog:

	* include/bits/memoryfwd.h: Remove HOSTED check around allocator
	and its specializations.
---

diff --git a/libstdc++-v3/include/bits/memoryfwd.h b/libstdc++-v3/include/bits/memoryfwd.h
index 330a6df7f44a..2b79cd8880a1 100644
--- a/libstdc++-v3/include/bits/memoryfwd.h
+++ b/libstdc++-v3/include/bits/memoryfwd.h
@@ -60,13 +60,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
    * @{
    */
 
-#if _GLIBCXX_HOSTED
+  // Included in freestanding as a libstdc++ extension.
   template<typename>
     class allocator;
 
   template<>
     class allocator<void>;
-#endif
 
 #if __cplusplus >= 201103L
   /// Declare uses_allocator so it can be specialized in `<queue>` etc.