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-rw-r--r--m4/raise.m436
1 files changed, 36 insertions, 0 deletions
diff --git a/m4/raise.m4 b/m4/raise.m4
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+++ b/m4/raise.m4
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+# raise.m4 serial 4
+dnl Copyright (C) 2011-2022 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], [:])