diff options
Diffstat (limited to 'lib/alloca.in.h')
| -rw-r--r-- | lib/alloca.in.h | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/lib/alloca.in.h b/lib/alloca.in.h index 1881e74f5dc..e2b146138d7 100644 --- a/lib/alloca.in.h +++ b/lib/alloca.in.h @@ -1,22 +1,20 @@ /* Memory allocation on the stack. - Copyright (C) 1995, 1999, 2001-2004, 2006-2017 Free Software Foundation, + Copyright (C) 1995, 1999, 2001-2004, 2006-2022 Free Software Foundation, Inc. - This program is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your option) - any later version. + This file is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. - This program is distributed in the hope that it will be useful, + This file is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. - You should have received a copy of the GNU General Public - License along with this program; if not, see - <https://www.gnu.org/licenses/>. - */ + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ /* Avoid using the symbol _ALLOCA_H here, as Bison assumes _ALLOCA_H means there is a real alloca function. */ @@ -35,7 +33,16 @@ */ #ifndef alloca -# ifdef __GNUC__ + /* Some version of mingw have an <alloca.h> that causes trouble when + included after 'alloca' gets defined as a macro. As a workaround, + include this <alloca.h> first and define 'alloca' as a macro afterwards + if needed. */ +# if defined __GNUC__ && (defined _WIN32 && ! defined __CYGWIN__) && @HAVE_ALLOCA_H@ +# include_next <alloca.h> +# endif +#endif +#ifndef alloca +# if defined __GNUC__ || (__clang_major__ >= 4) # define alloca __builtin_alloca # elif defined _AIX # define alloca __alloca |