https://github.com/ImageMagick/ImageMagick/issues/1186

diff --git a/MagickCore/studio.h b/MagickCore/studio.h
index ab01e34929830934fa0171c676077f73af76aaf9..a8108cf78887d4fc73092e649e84e3f4a521b5e0 100644 (file)
--- a/MagickCore/studio.h
+++ b/MagickCore/studio.h
@@ -123,8 +123,10 @@ extern "C" {
 # include <pthread.h>
 #endif
 #if defined(MAGICKCORE_WINDOWS_SUPPORT)
+#if !defined(__CYGWIN__)
 #include <winsock2.h>
 #include <ws2tcpip.h>
+#endif
 #include <windows.h>
 #pragma comment (lib, "ws2_32.lib")
 #endif