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-rw-r--r--winsup/cygwin/ChangeLog4
-rw-r--r--winsup/cygwin/include/netdb.h3
2 files changed, 7 insertions, 0 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 34d37d8f3..95ff1a24d 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,7 @@
+2012-03-13 Corinna Vinschen <corinna@vinschen.de>
+
+ * include/netdb.h (h_errno): Add self-referencing macro and comment.
+
2012-03-12 Corinna Vinschen <corinna@vinschen.de>
Christopher Faylor <me.cygwin2012@cgf.cx>
diff --git a/winsup/cygwin/include/netdb.h b/winsup/cygwin/include/netdb.h
index 69ef72765..f59a780f0 100644
--- a/winsup/cygwin/include/netdb.h
+++ b/winsup/cygwin/include/netdb.h
@@ -137,6 +137,9 @@ struct addrinfo {
extern int h_errno;
#else
extern __declspec(dllimport) int h_errno;
+/* Some packages expect h_errno to be a macro, otherwise they redeclare
+ h_errno, which leads to spurious warnings. */
+#define h_errno h_errno
#endif
#define NETDB_INTERNAL -1 /* see errno */