diff --git a/configure/os/CONFIG.Common.win32-x86-cygwin b/configure/os/CONFIG.Common.win32-x86-cygwin
index 94271bc86..2847a2969 100644
--- a/configure/os/CONFIG.Common.win32-x86-cygwin
+++ b/configure/os/CONFIG.Common.win32-x86-cygwin
@@ -25,12 +25,14 @@ RUNTIME_LDFLAGS = $(SHRLIB_SEARCH_FULLPATHDIRS:%=-Wl,-rpath,%)
 # Library used when COMMANDLINE_LIBRARY is READLINE
 LDLIBS_READLINE = -lreadline
 
+#======== THESE 4 LINES MAY NOT BE NECESSARY ===============
 OP_SYS_CPPFLAGS = -D_WIN32=1 -D__WIN32=1 -D__MINGW32__=1 -DWIN32=1 -D__WIN32__=1 -DWINNT=1
 OP_SYS_CPPFLAGS += -U__unix__ -Uunix -U__CYGWIN__ -U__unix -U__CYGWIN32__
 OP_SYS_CPPFLAGS += -D__MSVCRT__
-
 OP_SYS_CXXFLAGS += -D__cplusplus
 
-OP_SYS_LDLIBS = 
+OP_SYS_CPPFLAGS += -mno-cygwin
+OP_SYS_LDFLAGS += -mno-cygwin
+OP_SYS_LDLIBS = -lws2_32 -ladvapi32 -luser32 -lkernel32 -lwinmm