diff --git a/configure/os/CONFIG.Common.win32-x86-cygwin b/configure/os/CONFIG.Common.win32-x86-cygwin
index f34ff91f3..a7ae73563 100644
--- a/configure/os/CONFIG.Common.win32-x86-cygwin
+++ b/configure/os/CONFIG.Common.win32-x86-cygwin
@@ -32,6 +32,7 @@ ARCH_DEP_LDFLAGS += -m32
 #	compiler defines _WIN32 1
 #	compiler defines WIN32 1
 #	compiler defines WINNT 1
+#       compiler defines __GNUC__ 3
 #	compiler does not define  __unix __unix__ unix
 #	compiler does not define  __CYGWIN__ __CYGWIN32__