gettimeofday: port recent C++ fix to Emacs

[gnulib.git] / lib / logl.c

diff --git a/lib/logl.c b/lib/logl.c
index 84e3550..0c00a2b 100644 (file)
--- a/lib/logl.c
+++ b/lib/logl.c
@@ -26,6 +26,19 @@ logl (long double x)
   return log (x);
 }
 
+#elif HAVE_LOGL
+
+long double
+logl (long double x)
+# undef logl
+{
+  /* Work around the OSF/1 5.1 bug.  */
+  if (x == 0.0L)
+    /* Return -Infinity.  */
+    return -1.0L / 0.0L;
+  return logl (x);
+}
+
 #else
 
 /* Code based on glibc/sysdeps/ieee754/ldbl-128/e_logl.c.  */