ubuntu-buildroot/output/build/host-bison-3.8.2/m4/raise.m4

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# raise.m4 serial 4
dnl Copyright (C) 2011-2021 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
AC_DEFUN([gl_FUNC_RAISE],
[
AC_REQUIRE([gl_SIGNAL_H_DEFAULTS])
AC_REQUIRE([AC_CANONICAL_HOST])
AC_CHECK_FUNCS([raise])
if test $ac_cv_func_raise = no; then
HAVE_RAISE=0
else
m4_ifdef([gl_MSVC_INVAL], [
AC_REQUIRE([gl_MSVC_INVAL])
if test $HAVE_MSVC_INVALID_PARAMETER_HANDLER = 1; then
REPLACE_RAISE=1
fi
])
m4_ifdef([gl_SIGNALBLOCKING], [
gl_SIGNALBLOCKING
if test $HAVE_POSIX_SIGNALBLOCKING = 0; then
m4_ifdef([gl_SIGNAL_SIGPIPE], [
gl_SIGNAL_SIGPIPE
if test $gl_cv_header_signal_h_SIGPIPE != yes; then
REPLACE_RAISE=1
fi
], [:])
fi
])
fi
])
# Prerequisites of lib/raise.c.
AC_DEFUN([gl_PREREQ_RAISE], [:])