diff --git a/libatomic/ChangeLog b/libatomic/ChangeLog
index 921c1205eae..44707361a14 100644
--- a/libatomic/ChangeLog
+++ b/libatomic/ChangeLog
@@ -1,4 +1,8 @@
-2013-07-18  Uros Bizjak  <ubizjak@gmail.com>
+2014-08-19  Yaakov Selkowitz  <yselkowi@redhat.com>
+
+	* configure.tgt: Add cygwin to supported targets.
+
+2014-07-18  Uros Bizjak  <ubizjak@gmail.com>
 
 	* configure.tgt (alpha*): Add -mfp-trap-mode=sui to XCFLAGS.
 
diff --git a/libatomic/configure.tgt b/libatomic/configure.tgt
index d3e01f90331..b0344d595ab 100644
--- a/libatomic/configure.tgt
+++ b/libatomic/configure.tgt
@@ -107,7 +107,7 @@ case "${target}" in
   *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu \
   | *-*-netbsd* | *-*-freebsd* | *-*-openbsd* \
   | *-*-solaris2* | *-*-sysv4* | *-*-irix6* | *-*-osf* | *-*-hpux11* \
-  | *-*-darwin* | *-*-aix*)
+  | *-*-darwin* | *-*-aix* | *-*-cygwin*)
 	# POSIX system.  The OS is supported.
 	config_path="${config_path} posix"
 	;;