https://gcc.gnu.org/g:ea0aa9765d44baccce398ec92c30cb5f2e3e2e9d
commit r12-10562-gea0aa9765d44baccce398ec92c30cb5f2e3e2e9d Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri Jun 14 12:10:48 2024 +0100 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: --- libstdc++-v3/libsupc++/new_opa.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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