diff --git a/crypto/cast/cast_lcl.h b/crypto/cast/cast_lcl.h
index cfe3842e9..5fab8a43f 100644
--- a/crypto/cast/cast_lcl.h
+++ b/crypto/cast/cast_lcl.h
@@ -151,7 +151,7 @@
                          *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
                          *((c)++)=(unsigned char)(((l)     )&0xff))
 
-#if defined(WIN32)
+#if defined(WIN32) && defined(_MSC_VER)
 #define ROTL(a,n)     (_lrotl(a,n))
 #else
 #define ROTL(a,n)     ((((a)<<(n))&0xffffffffL)|((a)>>(32-(n))))
diff --git a/crypto/des/des_locl.h b/crypto/des/des_locl.h
index 4dfed199a..1ace8f593 100644
--- a/crypto/des/des_locl.h
+++ b/crypto/des/des_locl.h
@@ -155,7 +155,7 @@
 				} \
 			}
 
-#if defined(WIN32)
+#if defined(WIN32) && defined(_MSC_VER)
 #define	ROTATE(a,n)	(_lrotr(a,n))
 #else
 #define	ROTATE(a,n)	(((a)>>(n))+((a)<<(32-(n))))
diff --git a/crypto/rc5/rc5_locl.h b/crypto/rc5/rc5_locl.h
index 718c6162e..ec33829c9 100644
--- a/crypto/rc5/rc5_locl.h
+++ b/crypto/rc5/rc5_locl.h
@@ -146,7 +146,7 @@
                          *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
                          *((c)++)=(unsigned char)(((l)     )&0xff))
 
-#if defined(WIN32)
+#if defined(WIN32) && defined(_MSC_VER)
 #define ROTATE_l32(a,n)     _lrotl(a,n)
 #define ROTATE_r32(a,n)     _lrotr(a,n)
 #else