X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fstrerror_r.m4;h=410dfdfa2a65a6d3b7497303a4ac191cefe9262c;hb=e3b7f9e949abe991c913b0640eb086654572e76c;hp=e886b5cc5b8faa3710828740b8aca4c230be0f2d;hpb=daceb50a3ec9cc2768b4849489cb33cf34fedcaa;p=gnulib.git

diff --git a/m4/strerror_r.m4 b/m4/strerror_r.m4
index e886b5cc5..410dfdfa2 100644
--- a/m4/strerror_r.m4
+++ b/m4/strerror_r.m4
@@ -1,11 +1,12 @@
-#serial 1
+#serial 2
 
 dnl From Jim Meyering.
 dnl Determine whether the strerror_r implementation is one of
 dnl the broken ones that returns `int' rather than `char*'.
-dnl Actually, this tests only whether it returns an array,
-dnl but that should be enough.
-dnl This is used by lib/error.c.
+dnl Actually, this tests only whether it returns a scalar
+dnl or an array, but that should be enough.
+dnl On at least DEC UNIX 4.0[A-D] and HP-UX B.10.20, strerror_r
+dnl returns `int'.  This is used by lib/error.c.
 
 AC_DEFUN(jm_FUNC_STRERROR_R,
 [