1 files changed, 29 insertions, 0 deletions
diff --git a/gl/m4/sigpipe.m4 b/gl/m4/sigpipe.m4
new file mode 100644
index 0000000..e052444
--- /dev/null
+++ b/gl/m4/sigpipe.m4
@@ -0,0 +1,29 @@
+# sigpipe.m4 serial 3
+dnl Copyright (C) 2008-2022 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.
+
+dnl Tests whether SIGPIPE is provided by <signal.h>.
+dnl Sets gl_cv_header_signal_h_SIGPIPE.
+AC_DEFUN([gl_SIGNAL_SIGPIPE],
+[
+  dnl Ensure to expand the default settings once only, before all statements
+  dnl that occur in other macros.
+  AC_REQUIRE([gl_SIGNAL_SIGPIPE_BODY])
+])
+
+AC_DEFUN([gl_SIGNAL_SIGPIPE_BODY],
+[
+  AC_REQUIRE([AC_PROG_CC])
+  AC_CACHE_CHECK([for SIGPIPE], [gl_cv_header_signal_h_SIGPIPE], [
+    AC_EGREP_CPP([booboo],[
+#include <signal.h>
+#if !defined SIGPIPE
+booboo
+#endif
+      ],
+      [gl_cv_header_signal_h_SIGPIPE=no],
+      [gl_cv_header_signal_h_SIGPIPE=yes])
+  ])
+])