https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=ddce45112d96d35d57c8423747d615f86f5e5c09 commit ddce45112d96d35d57c8423747d615f86f5e5c09 Author: Ken Brown <kbrown@cornell.edu> Date: Sat Jun 11 08:56:08 2022 -0400 Cygwin: restore one more '#ifdef __x86_64__' Diff: --- winsup/cygwin/dcrt0.cc | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/winsup/cygwin/dcrt0.cc b/winsup/cygwin/dcrt0.cc index a8ed8e2fe..9cbb8908f 100644 --- a/winsup/cygwin/dcrt0.cc +++ b/winsup/cygwin/dcrt0.cc @@ -1016,6 +1016,7 @@ __cygwin_exit_return: \n\ extern "C" void __stdcall _dll_crt0 () { +#ifdef __x86_64__ /* Starting with Windows 10 rel 1511, the main stack of an application is not reproducible if a 64 bit process has been started from a 32 bit process. Given that we have enough virtual address space on 64 bit @@ -1048,6 +1049,9 @@ _dll_crt0 () else fork_info->alloc_stack (); } +#else +#error unimplemented for this target +#endif fesetenv (FE_DFL_ENV); _main_tls = &_my_tls;