diff --git a/cde/programs/nsgmls/CmdLineApp.C b/cde/programs/nsgmls/CmdLineApp.C
index 99c8b1dc1..b2f74684f 100644
--- a/cde/programs/nsgmls/CmdLineApp.C
+++ b/cde/programs/nsgmls/CmdLineApp.C
@@ -58,8 +58,14 @@
 
 #include "ConsoleOutput.h"
 
+#if defined(linux)
+#include <iostream>
+#include <fstream>
+using namespace std;
+#else
 #include <iostream.h>
 #include <fstream.h>
+#endif
 #include <errno.h>
 #include <string.h>
 #include <stdlib.h>
@@ -285,8 +291,12 @@ Boolean CmdLineApp::openFilebufWrite(filebuf &file,
   if (fd < 0)
     return 0;
   return file.attach(fd) != 0;
+#else
+#if defined(linux)
+  return file.open(filename, ios::out|ios::trunc) != 0;
 #else
   return file.open(filename, ios::out|ios::trunc|IOS_BINARY) != 0;
+  #endif
 #endif
 }
 
diff --git a/cde/programs/nsgmls/CmdLineApp.h b/cde/programs/nsgmls/CmdLineApp.h
index ce53dd396..98f57736d 100644
--- a/cde/programs/nsgmls/CmdLineApp.h
+++ b/cde/programs/nsgmls/CmdLineApp.h
@@ -43,7 +43,12 @@
 #include <stddef.h>
 #endif
 
+#if defined(linux)
+#include <fstream>
+using namespace std;
+#else
 class filebuf;
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/CodingSystem.C b/cde/programs/nsgmls/CodingSystem.C
index 6d230a686..ad7935a76 100644
--- a/cde/programs/nsgmls/CodingSystem.C
+++ b/cde/programs/nsgmls/CodingSystem.C
@@ -33,8 +33,12 @@
 #ifdef SP_SHORT_HEADERS
 #include <strstrea.h>
 #else
+#if defined(linux)
+#include <strstream>
+#else
 #include <strstream.h>
 #endif
+#endif
 #include <string.h>
 #include <sys/param.h>
 
@@ -78,7 +82,11 @@ String<char> OutputCodingSystem::convertOut(const StringC &str) const
   encoder->output(copy.data(), copy.size(), &stream);
   delete encoder;
   char *s = stream.str();
+#if defined(linux)
+  String<char> result(s, stream.pcount());
+#else
   String<char> result(s, stream.out_waiting());
+#endif
   result += '\0';
   stream.freeze(0);
 #ifdef __lucid
diff --git a/cde/programs/nsgmls/CodingSystem.h b/cde/programs/nsgmls/CodingSystem.h
index c3b1fc37d..e073ae5cf 100644
--- a/cde/programs/nsgmls/CodingSystem.h
+++ b/cde/programs/nsgmls/CodingSystem.h
@@ -41,7 +41,12 @@
 
 #include <stddef.h>
 
+#if defined(linux)
+#include <streambuf>
+using namespace std;
+#else
 class streambuf;
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/EUCJPCodingSystem.C b/cde/programs/nsgmls/EUCJPCodingSystem.C
index 4b9d1541d..f2fb30ef2 100644
--- a/cde/programs/nsgmls/EUCJPCodingSystem.C
+++ b/cde/programs/nsgmls/EUCJPCodingSystem.C
@@ -29,7 +29,11 @@
 #ifdef SP_MULTI_BYTE
 
 #include "EUCJPCodingSystem.h"
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/Fixed2CodingSystem.C b/cde/programs/nsgmls/Fixed2CodingSystem.C
index 2bd5d9582..8114f7e9c 100644
--- a/cde/programs/nsgmls/Fixed2CodingSystem.C
+++ b/cde/programs/nsgmls/Fixed2CodingSystem.C
@@ -34,7 +34,11 @@
 #include "Fixed2CodingSystem.h"
 #include "macros.h"
 
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/IdentityCodingSystem.C b/cde/programs/nsgmls/IdentityCodingSystem.C
index 4322e3fed..6f0e472ba 100644
--- a/cde/programs/nsgmls/IdentityCodingSystem.C
+++ b/cde/programs/nsgmls/IdentityCodingSystem.C
@@ -26,7 +26,11 @@
 
 #include "splib.h"
 #include "IdentityCodingSystem.h"
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 #include <limits.h>
 
 #ifdef SP_NAMESPACE
diff --git a/cde/programs/nsgmls/Imakefile b/cde/programs/nsgmls/Imakefile
index 1ab9e484e..166bb666e 100644
--- a/cde/programs/nsgmls/Imakefile
+++ b/cde/programs/nsgmls/Imakefile
@@ -91,9 +91,12 @@ CXXOPTIONS = \
 /*
  * Flags passed into compile step when doing manual template instantiation.
  */
-CXXTEMPLATEFLAGS = -ptf
+CXXTEMPLATEFLAGS =
 
 M4 = /usr/bin/m4
+
+CXXEXTRA_DEFINES = -fpermissive
+
 #endif
 
 #if defined(RsArchitecture)
diff --git a/cde/programs/nsgmls/OutputCharStream.C b/cde/programs/nsgmls/OutputCharStream.C
index 58ed0223b..fd1f75846 100644
--- a/cde/programs/nsgmls/OutputCharStream.C
+++ b/cde/programs/nsgmls/OutputCharStream.C
@@ -28,7 +28,11 @@
 #include "OutputCharStream.h"
 #include "CodingSystem.h"
 #include "macros.h"
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 #include <stdio.h>
 
 #ifdef SP_NAMESPACE
@@ -144,7 +148,11 @@ void IosOutputCharStream::flush()
     encoder_->output(buf_, ptr_ - buf_, byteStream_);
     ptr_ = buf_;
   }
+#if defined(linux)
+  byteStream_->pubsync();
+#else
   byteStream_->sync();
+#endif
 }
 
 void IosOutputCharStream::flushBuf(Char c)
diff --git a/cde/programs/nsgmls/OutputCharStream.h b/cde/programs/nsgmls/OutputCharStream.h
index e823eda02..15088bb48 100644
--- a/cde/programs/nsgmls/OutputCharStream.h
+++ b/cde/programs/nsgmls/OutputCharStream.h
@@ -33,7 +33,12 @@
 #include "Owner.h"
 #include "CodingSystem.h"
 
+#if defined(linux)
+#include <streambuf>
+using namespace std;
+#else
 class streambuf;
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/OwnerTable.C b/cde/programs/nsgmls/OwnerTable.C
index 6607632e7..8b6572455 100644
--- a/cde/programs/nsgmls/OwnerTable.C
+++ b/cde/programs/nsgmls/OwnerTable.C
@@ -34,15 +34,15 @@ namespace SP_NAMESPACE {
 template<class T, class K, class HF, class KF>
 OwnerTable<T, K, HF, KF>::~OwnerTable()
 {
-  for (size_t i = 0; i < vec_.size(); i++)
-    delete vec_[i];
+  for (size_t i = 0; i < this->vec_.size(); i++)
+    delete this->vec_[i];
 }
 
 template<class T, class K, class HF, class KF>
 void OwnerTable<T, K, HF, KF>::clear()
 {
-  for (size_t i = 0; i < vec_.size(); i++)
-    delete vec_[i];
+  for (size_t i = 0; i < this->vec_.size(); i++)
+    delete this->vec_[i];
   PointerTable<T *, K, HF, KF>::clear();
 }
 
@@ -50,12 +50,12 @@ template<class T, class K, class HF, class KF>
 void
 CopyOwnerTable<T, K, HF, KF>::operator=(const CopyOwnerTable<T, K, HF, KF> &t)
 {
-  clear();
+  this->clear();
   //PointerTable<T *, K, HF, KF>::operator=(t);
   // FIXME This isn't exception safe.
-  for (size_t i = 0; i < vec_.size(); i++)
-    if (vec_[i])
-      vec_[i] = vec_[i]->copy();
+  for (size_t i = 0; i < this->vec_.size(); i++)
+    if (this->vec_[i])
+      this->vec_[i] = this->vec_[i]->copy();
 }
 
 #ifdef SP_NAMESPACE
diff --git a/cde/programs/nsgmls/SJISCodingSystem.C b/cde/programs/nsgmls/SJISCodingSystem.C
index bb1ce6015..aaa1a0c16 100644
--- a/cde/programs/nsgmls/SJISCodingSystem.C
+++ b/cde/programs/nsgmls/SJISCodingSystem.C
@@ -29,7 +29,12 @@
 #ifdef SP_MULTI_BYTE
 
 #include "SJISCodingSystem.h"
+
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/UTF8CodingSystem.C b/cde/programs/nsgmls/UTF8CodingSystem.C
index 6512e15dd..343ead015 100644
--- a/cde/programs/nsgmls/UTF8CodingSystem.C
+++ b/cde/programs/nsgmls/UTF8CodingSystem.C
@@ -30,7 +30,11 @@
 
 #include "UTF8CodingSystem.h"
 #include "constant.h"
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/UnicodeCodingSystem.C b/cde/programs/nsgmls/UnicodeCodingSystem.C
index d67150eee..0b3a143c7 100644
--- a/cde/programs/nsgmls/UnicodeCodingSystem.C
+++ b/cde/programs/nsgmls/UnicodeCodingSystem.C
@@ -39,7 +39,11 @@ extern "C" {
   void *memmove(void *, const void *, size_t);
 }
 #endif
+#if defined(linux)
+#include <iostream>
+#else
 #include <iostream.h>
+#endif
 
 #ifdef SP_NAMESPACE
 namespace SP_NAMESPACE {
diff --git a/cde/programs/nsgmls/config.h b/cde/programs/nsgmls/config.h
index 43f24729a..7859a9c42 100644
--- a/cde/programs/nsgmls/config.h
+++ b/cde/programs/nsgmls/config.h
@@ -32,9 +32,11 @@
 
 #ifdef __GNUG__
 // It's not missing, but it pulls in libg++
+#if !defined(linux)
 #define SP_NEW_H_MISSING
 // set_new_handler() has to be declared extern "C"
 #define SP_SET_NEW_HANDLER_EXTERN_C
+#endif
 #ifndef SP_MANUAL_INST
 #define SP_MANUAL_INST
 #endif
diff --git a/cde/programs/nsgmls/nsgmls.C b/cde/programs/nsgmls/nsgmls.C
index 122e9d860..c1ec86085 100644
--- a/cde/programs/nsgmls/nsgmls.C
+++ b/cde/programs/nsgmls/nsgmls.C
@@ -38,8 +38,13 @@
 #include "sptchar.h"
 #include "macros.h"
 
+#if defined(linux)
+#include <iostream>
+#include <fstream>
+#else
 #include <iostream.h>
 #include <fstream.h>
+#endif
 #include <stdlib.h>
 #include <string.h>
 #include <errno.h>
@@ -79,13 +84,21 @@ public:
 		    const AppChar *filename,
 		    const StringC &filenameStr,
 		    const OutputCodingSystem *,
+#if defined(linux)
+		    ::Messenger *messenger);
+#else
 		    Messenger *messenger);
+#endif
   ~XRastEventHandler();
   void message(MessageEvent *);
   void truncateOutput();
   void allLinkTypesActivated();
 private:
+#if defined(linux)
+  ::Messenger *messenger_;
+#else
   Messenger *messenger_;
+#endif
   // file_ must come before os_ so it gets inited first
   filebuf file_;
   IosOutputCharStream os_;
@@ -235,7 +248,11 @@ XRastEventHandler::XRastEventHandler(SgmlParser *parser,
 				     const AppChar *filename,
 				     const StringC &filenameStr,
 				     const OutputCodingSystem *codingSystem,
-				     Messenger *messenger)
+#if defined(linux)
+				     ::Messenger *messenger)
+#else
+				     ::Messenger *messenger)
+#endif
 : RastEventHandler(parser, messenger),
   messenger_(messenger),
   filename_(filename),
diff --git a/cde/programs/nsgmls/xnew.h b/cde/programs/nsgmls/xnew.h
index 39669271d..caffae69d 100644
--- a/cde/programs/nsgmls/xnew.h
+++ b/cde/programs/nsgmls/xnew.h
@@ -39,7 +39,11 @@ void set_new_handler(VFP);
 
 #else /* not SP_NEW_H_MISSING */
 
+#if defined(linux)
+#include <new>
+#else
 #include <new.h>
+#endif
 
 #endif /* not SP_NEW_H_MISSING */