| dnl Autoconf configure snippets for common. | |
| dnl Copyright (C) 1995-2018 Free Software Foundation, Inc. | |
| dnl | |
| dnl This file is part of GDB. | |
| dnl | |
| dnl This program is free software; you can redistribute it and/or modify | |
| dnl it under the terms of the GNU General Public License as published by | |
| dnl the Free Software Foundation; either version 3 of the License, or | |
| dnl (at your option) any later version. | |
| dnl | |
| dnl This program is distributed in the hope that it will be useful, | |
| dnl but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| dnl GNU General Public License for more details. | |
| dnl | |
| dnl You should have received a copy of the GNU General Public License | |
| dnl along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| dnl Invoke configury needed by the files in 'common'. | |
| AC_DEFUN([GDB_AC_COMMON], [ | |
| AC_HEADER_STDC | |
| AC_FUNC_ALLOCA | |
| dnl Note that this requires codeset.m4, which is included | |
| dnl by the users of common.m4. | |
| AM_LANGINFO_CODESET | |
| AC_CHECK_HEADERS(linux/perf_event.h locale.h memory.h signal.h dnl | |
| sys/resource.h sys/socket.h dnl | |
| sys/un.h sys/wait.h dnl | |
| thread_db.h wait.h dnl | |
| termios.h) | |
| AC_CHECK_FUNCS([fdwalk getrlimit pipe pipe2 socketpair sigaction]) | |
| AC_CHECK_DECLS([strerror, strstr]) | |
| dnl Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't | |
| dnl do since sigsetjmp might only be defined as a macro. | |
| AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp, | |
| [AC_TRY_COMPILE([ | |
| #include <setjmp.h> | |
| ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);], | |
| gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)]) | |
| if test $gdb_cv_func_sigsetjmp = yes; then | |
| AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ]) | |
| fi | |
| ]) |