frexp, frexp-nolibm: Move AC_LIBOBJ invocations to module description.

[pspp] / lib / signal.in.h

diff --git a/lib/signal.in.h b/lib/signal.in.h
index 7a6d6ee8566881a0fda29a3890460c05518facf4..bcf793523a0a64d65e9ac96ffb0579144a449a57 100644 (file)
--- a/lib/signal.in.h
+++ b/lib/signal.in.h
@@ -28,13 +28,13 @@
 #else
 /* Normal invocation convention.  */
 
-#ifndef _GL_SIGNAL_H
+#ifndef _@GUARD_PREFIX@_SIGNAL_H
 
 /* The include_next requires a split double-inclusion guard.  */
 #@INCLUDE_NEXT@ @NEXT_SIGNAL_H@
 
-#ifndef _GL_SIGNAL_H
-#define _GL_SIGNAL_H
+#ifndef _@GUARD_PREFIX@_SIGNAL_H
+#define _@GUARD_PREFIX@_SIGNAL_H
 
 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
 
@@ -66,6 +66,20 @@ typedef unsigned int sigset_t;
 # endif
 #endif
 
+/* Define sighandler_t, the type of signal handlers.  A GNU extension.  */
+#if !@HAVE_SIGHANDLER_T@
+# ifdef __cplusplus
+extern "C" {
+# endif
+# if !GNULIB_defined_sighandler_t
+typedef void (*sighandler_t) (int);
+#  define GNULIB_defined_sighandler_t 1
+# endif
+# ifdef __cplusplus
+}
+# endif
+#endif
+
 
 #if @GNULIB_SIGNAL_H_SIGPIPE@
 # ifndef SIGPIPE
@@ -357,6 +371,6 @@ _GL_WARN_ON_USE (sigaction, "sigaction is unportable - "
 #endif
 
 
-#endif /* _GL_SIGNAL_H */
-#endif /* _GL_SIGNAL_H */
+#endif /* _@GUARD_PREFIX@_SIGNAL_H */
+#endif /* _@GUARD_PREFIX@_SIGNAL_H */
 #endif