1 dnl Autoconf configure snippets for common.
2 dnl Copyright (C) 1995-2017 Free Software Foundation, Inc.
4 dnl This file is part of GDB.
6 dnl This program is free software; you can redistribute it and/or modify
7 dnl it under the terms of the GNU General Public License as published by
8 dnl the Free Software Foundation; either version 3 of the License, or
9 dnl (at your option) any later version.
11 dnl This program is distributed in the hope that it will be useful,
12 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
13 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 dnl GNU General Public License for more details.
16 dnl You should have received a copy of the GNU General Public License
17 dnl along with this program. If not, see <http://www.gnu.org/licenses/>.
19 dnl Invoke configury needed by the files in 'common'.
20 AC_DEFUN([GDB_AC_COMMON], [
24 dnl Note that this requires codeset.m4, which is included
25 dnl by the users of common.m4.
28 AC_CHECK_HEADERS(linux/perf_event.h locale.h memory.h signal.h dnl
29 sys/resource.h sys/socket.h sys/syscall.h dnl
30 sys/un.h sys/wait.h dnl
33 AC_CHECK_FUNCS([fdwalk getrlimit pipe pipe2 socketpair sigaction])
35 AC_CHECK_DECLS([strerror, strstr])
37 dnl Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't
38 dnl do since sigsetjmp might only be defined as a macro.
39 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
42 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
43 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
44 if test $gdb_cv_func_sigsetjmp = yes; then
45 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])