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Diffstat (limited to 'gdb/gdbsupport/common.m4')
| -rw-r--r-- | gdb/gdbsupport/common.m4 | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/gdb/gdbsupport/common.m4 b/gdb/gdbsupport/common.m4 new file mode 100644 index 0000000..5701dd9 --- /dev/null +++ b/gdb/gdbsupport/common.m4 @@ -0,0 +1,48 @@ +dnl Autoconf configure snippets for common. +dnl Copyright (C) 1995-2019 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 +]) |