From: Jonathan Wakely <jwakely@redhat.com>
Date: Fri, 14 Jun 2024 11:10:48 +0000 (+0100)
Subject: libstdc++: Fix declaration of posix_memalign for freestanding
X-Git-Tag: releases/gcc-12.4.0~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ea0aa9765d44baccce398ec92c30cb5f2e3e2e9d;p=thirdparty%2Fgcc.git

libstdc++: Fix declaration of posix_memalign for freestanding

Thanks to Jérôme Duval for noticing this.

libstdc++-v3/ChangeLog:

	* libsupc++/new_opa.cc [!_GLIBCXX_HOSTED]: Fix declaration of
	posix_memalign.

(cherry picked from commit 161efd677458f20d13ee1018a4d5e3964febd508)
---

diff --git a/libstdc++-v3/libsupc++/new_opa.cc b/libstdc++-v3/libsupc++/new_opa.cc
index ae01166cae3b..def6c8de79d4 100644
--- a/libstdc++-v3/libsupc++/new_opa.cc
+++ b/libstdc++-v3/libsupc++/new_opa.cc
@@ -47,7 +47,7 @@ using std::size_t;
 extern "C"
 {
 # if _GLIBCXX_HAVE_POSIX_MEMALIGN
-  void *posix_memalign(void **, size_t alignment, size_t size);
+  int posix_memalign(void **, size_t alignment, size_t size);
 # elif _GLIBCXX_HAVE_ALIGNED_ALLOC
   void *aligned_alloc(size_t alignment, size_t size);
 # elif _GLIBCXX_HAVE__ALIGNED_MALLOC