diff --git a/src/osgPlugins/txp/TrPageArchive.cpp b/src/osgPlugins/txp/TrPageArchive.cpp
index 42996e1f5..3980f60b9 100644
--- a/src/osgPlugins/txp/TrPageArchive.cpp
+++ b/src/osgPlugins/txp/TrPageArchive.cpp
@@ -34,7 +34,7 @@ using namespace txp;
 using namespace osg;
 
 // disable 'this' used in base pointer initilialization..
-#if defined(WIN32) && !(defined(__CYGWIN__) || defined(__MINGW32__))
+#if defined(WIN32) && !defined(__GNUC__)
     #pragma warning( disable : 4355 )
 #endif
 
diff --git a/src/osgPlugins/txp/WaitBlock.h b/src/osgPlugins/txp/WaitBlock.h
index 62b1d39f0..8d5236231 100644
--- a/src/osgPlugins/txp/WaitBlock.h
+++ b/src/osgPlugins/txp/WaitBlock.h
@@ -1,6 +1,7 @@
 #ifndef WAIT_BLOCK_H
 #define WAIT_BLOCK_H
-#ifndef WIN32
+
+#if !defined(WIN32) || defined(__CYGWIN__)
 #include <pthread.h>
 
 namespace osgTXP {
diff --git a/src/osgPlugins/txp/trPagePageManager.cpp b/src/osgPlugins/txp/trPagePageManager.cpp
index 552dd6f40..c57314be7 100644
--- a/src/osgPlugins/txp/trPagePageManager.cpp
+++ b/src/osgPlugins/txp/trPagePageManager.cpp
@@ -1,7 +1,11 @@
 #include <stdlib.h>
 #include <stdio.h>
 
-#if defined(_WIN32)
+#if defined(__CYGWIN__)
+#include <windows.h>
+#include <unistd.h>
+#include <pthread.h>
+#elif defined(_WIN32)
 #include <windows.h>
 #include <conio.h>
 #else
@@ -124,7 +128,7 @@ void osgLockMutex(ThreadMutex &mtx)
 // --- Either thread ---
 void osgUnLockMutex(ThreadMutex &mtx)
 {
-#if defined (_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
     ReleaseMutex(mtx);
 #else
     pthread_mutex_unlock( &mtx );
@@ -135,7 +139,7 @@ void osgUnLockMutex(ThreadMutex &mtx)
 // --- Either thread (only used in paging thread) ---
 void osgWaitEvent(ThreadEvent &ev)
 {
-#if defined (_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
     WaitForSingleObject( ev, INFINITE);
 #else
     ev.wait();
@@ -146,7 +150,7 @@ void osgWaitEvent(ThreadEvent &ev)
 // --- Either thread (only used in main thread) ---
 void osgSetEvent(ThreadEvent &ev)
 {
-#if defined (_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
     SetEvent(ev);
 #else
     ev.release();
@@ -156,7 +160,7 @@ void osgSetEvent(ThreadEvent &ev)
 // Windows specific thread function.
 // This just fires up our own loop
 // --- Paging Thread ---
-#if defined (_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
 DWORD WINAPI ThreadFunc( LPVOID lpParam ) 
 {
     OSGPageManager *myPager = (OSGPageManager *)lpParam;
@@ -182,7 +186,7 @@ bool OSGPageManager::StartThread(ThreadMode mode,ThreadID &newThread)
 {
     positionValid = false;
 
-#if defined(_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
     // Create the event we'll use to wake up the pager thread when the location changes
     locationChangeEvent = CreateEvent(NULL,false,false,"Location Change Event");
 
@@ -228,7 +232,7 @@ bool OSGPageManager::StartThread(ThreadMode mode,ThreadID &newThread)
  */
 bool OSGPageManager::EndThread()
 {
-#ifdef WIN32
+#ifdef _WIN32
 #else
     // Need a handle to the thread ID here.
     //pthread_cancel( ?newThread? );
diff --git a/src/osgPlugins/txp/trPagePageManager.h b/src/osgPlugins/txp/trPagePageManager.h
index 630e264d3..43f176a09 100644
--- a/src/osgPlugins/txp/trPagePageManager.h
+++ b/src/osgPlugins/txp/trPagePageManager.h
@@ -19,7 +19,7 @@
 
 #include <string>
 
-#ifndef WIN32
+#if defined(__CYGWIN__) || !defined(WIN32)
 #include <pthread.h>
 #endif
 
@@ -50,7 +50,7 @@ namespace txp
 		Fill this in for your specific platform.
 		Should be water ID you use for threads.
 	 */
-#if defined(_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
 	typedef HANDLE ThreadID;
 	typedef HANDLE ThreadMutex;
 	typedef HANDLE ThreadEvent;
diff --git a/src/osgPlugins/txp/trpage_geom.cpp b/src/osgPlugins/txp/trpage_geom.cpp
index 37faa7bda..6f0e3b5ee 100644
--- a/src/osgPlugins/txp/trpage_geom.cpp
+++ b/src/osgPlugins/txp/trpage_geom.cpp
@@ -29,7 +29,7 @@
 
 #include <osg/Vec3>
 
-#if defined(_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
 #define ALIGNMENT_WORKAROUND    false
 #else
 #define ALIGNMENT_WORKAROUND    true
diff --git a/src/osgPlugins/txp/trpage_read.h b/src/osgPlugins/txp/trpage_read.h
index 8231d0ac0..dcf7f69c8 100644
--- a/src/osgPlugins/txp/trpage_read.h
+++ b/src/osgPlugins/txp/trpage_read.h
@@ -74,7 +74,7 @@ protected:
 private:
     // Note: Just how slow is a map<> anyway?
     //         This usage is self-contained and could be replaced with an array
-#if defined(_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
     typedef std::map<trpgToken,trpgr_Token> tok_map;
 #else
     typedef std::map<trpgToken,trpgr_Token,std::less<trpgToken> > tok_map;
diff --git a/src/osgPlugins/txp/trpage_scene.h b/src/osgPlugins/txp/trpage_scene.h
index 6d2e9b598..ae3015f34 100644
--- a/src/osgPlugins/txp/trpage_scene.h
+++ b/src/osgPlugins/txp/trpage_scene.h
@@ -203,7 +203,7 @@ protected:
 //     {group:Demonstration Scene Graph}
 TX_EXDECL class TX_CLDECL trpgSceneGraphParser : public trpgSceneParser {
 public:
-#if defined(_WIN32)
+#if defined(_WIN32) && !defined(__CYGWIN__)
     typedef std::map<int,trpgReadGroupBase *> GroupMap;
 #else
     typedef std::map<int,trpgReadGroupBase *,std::less<int> > GroupMap;
diff --git a/src/osgPlugins/txp/trpage_sys.h b/src/osgPlugins/txp/trpage_sys.h
index bd0ac2a18..b52d54e15 100644
--- a/src/osgPlugins/txp/trpage_sys.h
+++ b/src/osgPlugins/txp/trpage_sys.h
@@ -38,18 +38,29 @@
 #include <windows.h>
 #include <stdio.h>
 
+#if !defined(__GNUC__)
 // Microsoft Developer warnings that annoy me
 #pragma warning ( disable : 4251)
 #pragma warning ( disable : 4275)
 #pragma warning ( disable : 4786)
+#endif
 
 // Somewhat system independent file deletion macro
-#define TRPGDELETEFILE(file) DeleteFile((file))
+#ifdef __CYGWIN__
+# define TRPGDELETEFILE(file) remove((file))
+#else
+# define TRPGDELETEFILE(file) DeleteFile((file))
+#endif
 
 #ifndef int64
-// 64 bit long value.  Need this for really big files.
-typedef __int64 int64;
+  // 64 bit long value.  Need this for really big files.
+#ifdef __GNUC__
+ typedef long long int64;
+#else
+ typedef __int64 int64;
 #endif
+#endif
+
 
 #else   // Unix