diff --git a/src/osgPlugins/Makefile b/src/osgPlugins/Makefile
index 7e3beed9c..eea69a44d 100644
--- a/src/osgPlugins/Makefile
+++ b/src/osgPlugins/Makefile
@@ -2,8 +2,7 @@
 SHELL=/bin/sh
 
 #DIRS = osg rgb lib3ds flt pfb obj lwo dw bmp pic png jpeg tga tiff gif osgtgz tgz zip  
-#DIRS = osg rgb lib3ds flt obj lwo dw bmp pic png jpeg tga tiff gif osgtgz tgz zip  
-DIRS = osg rgb lib3ds obj lwo dw bmp pic png jpeg tga tiff gif osgtgz tgz zip  
+DIRS = osg rgb lib3ds flt obj lwo dw bmp pic png jpeg tga tiff gif osgtgz tgz zip  
 all :
 	for f in $(DIRS) ; do cd $$f; $(MAKE) || exit 1; cd ..; done
 
diff --git a/src/osgPlugins/flt/FltFile.cpp b/src/osgPlugins/flt/FltFile.cpp
index 2068b15e1..60d754904 100644
--- a/src/osgPlugins/flt/FltFile.cpp
+++ b/src/osgPlugins/flt/FltFile.cpp
@@ -138,8 +138,9 @@ bool FltFile::readFile(const std::string& fileName)
 
 #define REGISTER_FLT 1
 
-void FltFile::readExternals()
-{
+// This class was originally scoped within FltFile::readExternals() function.
+// Irix 7.3 compilers hork on this.
+
     class ReadExternal : public RecordVisitor
     {
         public:
@@ -202,6 +203,8 @@ void FltFile::readExternals()
             FltFile* _pFltFile;
     };
 
+void FltFile::readExternals()
+{
     ReadExternal visitor(this);
     _headerRecord->accept(visitor);
 }
diff --git a/src/osgPlugins/flt/Makefile b/src/osgPlugins/flt/Makefile
index 25ea3225c..e5d9bcf27 100644
--- a/src/osgPlugins/flt/Makefile
+++ b/src/osgPlugins/flt/Makefile
@@ -16,10 +16,10 @@ C++FILES = \
 	ExternalRecord.cpp\
 	Record.cpp\
 	FaceRecord.cpp\
-	FltFile.cpp\
 	RecordVisitor.cpp\
 	GeoSetBuilder.cpp\
 	Registry.cpp\
+	FltFile.cpp\
 	GroupRecord.cpp\
 	SwitchRecord.cpp\
 	HeaderRecord.cpp\
@@ -42,6 +42,7 @@ C++FILES = \
 #	PointLight.cpp\
 	
 
+
 C++FLAGS += -I../../../include
 
 LIB = ../../../lib/osgPlugins/osgdb_flt.so
diff --git a/src/osgPlugins/flt/ReaderWriterATTR.cpp b/src/osgPlugins/flt/ReaderWriterATTR.cpp
index dd4c11018..0a1265f32 100644
--- a/src/osgPlugins/flt/ReaderWriterATTR.cpp
+++ b/src/osgPlugins/flt/ReaderWriterATTR.cpp
@@ -244,7 +244,7 @@ class Attr
                                         //    1 - TX_PACK_8
                                         //    2 - TX_PACK_16
         int32   useMips;                // TRUE if using following 8 floats for MIPMAP kernel
-        float32 mips[8];                // 8 floats for kernel of separable symmetric filter
+        float32 _mips[8];                // 8 floats for kernel of separable symmetric filter
         int32   useLodScale;            // Boolean if TRUE send:
         float32 lod0;                   // LOD0 for TX_CONTROL_POINT
         float32 scale0;                 // SCALE0 for TX_CONTROL_POINT
@@ -415,7 +415,7 @@ void Attr::init()
     intFormat = 0;                  //    0 - Default
     extFormat = 0;                  //    0 - Default
     useMips = 0;
-    // float32 mips[8];
+    // float32 _mips[8];
     useLodScale = 0;
     // float32 lod0;
     // float32 scale0;
@@ -499,7 +499,7 @@ bool Attr::readAttrFile(const char* szName)
     READ( extFormat );
     READ( useMips );
     for (n=0; n<8; n++) {
-        READ(mips[n]); }
+        READ(_mips[n]); }
     READ( useLodScale );
     READ( lod0 );
     READ( scale0 );
@@ -684,7 +684,7 @@ class ReaderWriterATTR : public osgDB::ReaderWriter
             char buf[256];
             int version=0;
 
-            const ReaderWriter::Options*  rwOptions=
+            const osgDB::ReaderWriter::Options*  rwOptions=
                 osgDB::Registry::instance()->getOptions();
 
             if (rwOptions)