Checked in Tino Schwarze's port to HP-UX.

src/Demos/osgcluster/README

@@ -64,4 +64,4 @@ but until that day we're stuck with this 'hack'...
 
 
 Robert Osfield,
-March 20001.
+March 2001.

src/Demos/osgcluster/broadcaster.cpp

@@ -36,6 +36,8 @@
 #elif defined (WIN32)
     #include <winsock.h>
     #include <stdio.h>
+#elif defined (__hpux__)
+    #include <unistd.h>
 #else
     #error Teach me how to build on this system
 #endif

src/Demos/osgimpostor/README

@@ -23,4 +23,4 @@ but until that day we're stuck with this 'hack'...
 
 
 Robert Osfield,
-March 20001.
+March 2001.

src/Demos/sgv/README

@@ -23,4 +23,4 @@ but until that day we're stuck with this 'hack'...
 
 
 Robert Osfield,
-March 20001.
+March 2001.

src/osg/GLExtensions.cpp

@@ -71,6 +71,10 @@ void* osg::getGLExtensionFuncPtr(const char *funcName)
     symbol = NSLookupAndBindSymbol( temp.c_str() );
     return NSAddressOfSymbol( symbol );
 #else // all other unixes
+   // Note: although we use shl_load() etc. for Plugins on HP-UX, it's
+   // not neccessary here since we only used them because library
+   // intialization was not taking place with dlopen() which renders
+   // Plugins useless on HP-UX.
    static void *lib = dlopen("libGL.so", RTLD_LAZY);
    if (lib)
       return dlsym(lib, funcName);

src/osgDB/DynamicLibrary.cpp

@@ -6,8 +6,15 @@
 #include <mach-o/dyld.h>
 #else // all other unix
 #include <unistd.h>
+#ifdef __hpux__
+// Although HP-UX has dlopen() it is broken! We therefore need to stick
+// to shl_load()/shl_unload()/shl_findsym()
+#include <dl.h>
+#include <errno.h>
+#else
 #include <dlfcn.h>
 #endif
+#endif
 
 #include <osg/Notify>
 
@@ -31,6 +38,9 @@ DynamicLibrary::~DynamicLibrary()
         FreeLibrary((HMODULE)_handle);
 #elif defined(__DARWIN_OSX__)
         NSUnLinkModule(_handle, FALSE);
+#elif defined(__hpux__)
+        // fortunately, shl_t is a pointer
+        shl_unload (static_cast<shl_t>(_handle));
 #else // other unix
         dlclose(_handle);
 #endif    
@@ -58,6 +68,12 @@ DynamicLibrary* DynamicLibrary::loadLibrary(const std::string& libraryName)
     }
     // if (os_handle) return osgNew DynamicLibrary(libraryName,os_handle);
     notify(WARN) << "DynamicLibrary::failed loading "<<fullLibraryName<<std::endl;
+#elif defined(__hpux__)
+    // BIND_FIRST is neccessary for some reason
+    HANDLE handle = shl_load ( fullLibraryName.c_str(), BIND_DEFERRED|BIND_FIRST|BIND_VERBOSE, 0);
+    if (handle) return osgNew DynamicLibrary(libraryName,handle);
+    notify(WARN) << "DynamicLibrary::failed loading "<<fullLibraryName<<std::endl;
+    notify(WARN) << "DynamicLibrary::error "<<strerror(errno)<<std::endl;
 #else // other unix
     HANDLE handle = dlopen( fullLibraryName.c_str(), RTLD_LAZY );
     if (handle) return osgNew DynamicLibrary(libraryName,handle);
@@ -79,6 +95,18 @@ DynamicLibrary::PROC_ADDRESS DynamicLibrary::getProcAddress(const std::string& p
     temp += procName;	// Mac OS X prepends an underscore on function names
     symbol = NSLookupAndBindSymbol(temp.c_str());
     return NSAddressOfSymbol(symbol);
+#elif defined(__hpux__)
+    void* result = NULL;
+    if (shl_findsym (reinterpret_cast<shl_t*>(&_handle), procName.c_str(), TYPE_PROCEDURE, result) == 0)
+    {
+        return result;
+    }
+    else
+    {
+        notify(WARN) << "DynamicLibrary::failed looking up " << procName << std::endl;
+        notify(WARN) << "DynamicLibrary::error " << strerror(errno) << std::endl;
+        return NULL;
+    }
 #else // other unix
     return dlsym( _handle,  procName.c_str() );
 #endif

src/osgDB/Registry.cpp

@@ -394,6 +394,9 @@ std::string Registry::createLibraryNameForExt(const std::string& ext)
     #endif
 #elif macintosh
     return "osgdb_"+ext;
+#elif defined(__hpux__)
+    // why don't we use PLUGIN_EXT from the makefiles here?
+    return "osgdb_"+ext+".sl";
 #else
     return "osgdb_"+ext+".so";
 #endif
@@ -417,6 +420,9 @@ std::string Registry::createLibraryNameForNodeKit(const std::string& name)
     #endif
 #elif macintosh
     return name;
+#elif defined(__hpux__)
+    // why don't we use PLUGIN_EXT from the makefiles here?
+    return "lib"+name+".sl";
 #else
     return "lib"+name+".so";
 #endif

src/osgGLUT/Window.cpp

@@ -65,7 +65,7 @@ bool Window::open()
 
     glutInitDisplayMode( _displayMode);
     
-    glutCreateWindow( _title.c_str() );
+    glutCreateWindow( const_cast<char*>(_title.c_str()) );
 
     glutReshapeFunc(    reshapeCB );
     glutVisibilityFunc( visibilityCB );

src/osgPlugins/dx/DXWriter.cpp

@@ -605,6 +605,12 @@ inline int IsNaNorInf( float f )
   return isnanf(f) || isinf(f);
 #elif defined(WIN32)
   return _isnan(f) || !_finite(f);
+#elif defined(__hpux__)
+  // this is a hack - cmath from gcc 3.1 #undef's isinf() but does not
+  // redefine it (at least for me), enabling _GLIBCPP_USE_C99 also
+  // doesn't help (loads of compilation errors), so I just repeat the
+  // definition of isinf() from math.h here.
+  return isnan(f) || (_ISINF(f));
 #else
 #  error Teach me how to find non-numbers on this platform.
 return 0;
@@ -1228,15 +1234,6 @@ void DXArrayWriter::WritePerVertexTCoords(
 
 //----------------------------------------------------------------------------
 
-inline float MAX( float x, float y )
-  {  return x > y ? x : y;  }
-
-inline float MAX3( float x, float y, float z )
-  {  return MAX( MAX( x, y ), z );  }
-
-inline float MaxVecXYZ( const osg::Vec4 &v )
-  {  return MAX3( v[0], v[1], v[2] ); }
-
 inline float Luminance( const osg::Vec4 &v )
   { return 0.2122*v[0] + 0.7013*v[1] * 0.0865*v[2]; }
 

src/osgPlugins/gif/Makefile

@@ -5,10 +5,15 @@ CXXFILES =\
 	ReaderWriterGIF.cpp\
 
 
+ifeq ($(OS),HP-UX)
+INC   += $(GIF_INCLUDE)
+else
 INC   += -I/usr/local/include\
 	 -I/usr/freeware/include\
 
 LINKARGS += -L/usr/freeware/lib$(ARCH)
+endif
+
 
 LIBS  += $(OSG_LIBS) $(GIF_LIBS) $(OTHER_LIBS)
 

src/osgPlugins/jpeg/Makefile

@@ -4,7 +4,11 @@ include $(TOPDIR)/Make/makedefs
 CXXFILES =\
         ReaderWriterJPEG.cpp\
 
+ifneq ($(OS),HP-UX)
 INC += -I/usr/local/include/
+else
+INC += $(JPEG_INCLUDE)
+endif
 
 LIBS  += $(OSG_LIBS) $(JPEG_LIBS) $(OTHER_LIBS)
 

src/osgPlugins/osg/README

@@ -6,4 +6,4 @@ in the future to support inline images.  Currently osg::Images are supported
 via the osgDB::Registry::read/writeImage methods and plugins.
 
 Robert Osfield,
-March 20001.
+March 2001.

src/osgPlugins/png/Makefile

@@ -5,10 +5,14 @@ CXXFILES =\
         ReaderWriterPNG.cpp\
 
 LIBS  += $(OSG_LIBS) $(PNG_LIBS) $(OTHER_LIBS)
+ifneq ($(OS),HP-UX)
 INC  += -I/usr/local/include\
 	-I/usr/freeware/include\
 
 LINKARGS += -L/usr/freeware/lib$(ARCH)
+else
+INC += $(PNG_INCLUDE)
+endif
 
 TARGET_BASENAME = png
 include $(TOPDIR)/Make/cygwin_plugin_def

src/osgPlugins/tiff/Makefile

@@ -6,8 +6,12 @@ CXXFILES =\
 
 LIBS  += $(OSG_LIBS) $(TIFF_LIB) $(OTHER_LIBS)
 
+ifeq ($(OS),HP-UX)
+INC     += $(TIFF_INCLUDE)
+else
 INC     += -I/usr/local/include
 LDFLAGS += -L/usr/local/lib
+endif
 
 TARGET_BASENAME = tiff
 include $(TOPDIR)/Make/cygwin_plugin_def

src/osgText/Makefile

@@ -32,16 +32,21 @@ CXXFILES =\
 
 LIBS  += $(OSG_LIBS) $(FREETYPE_LIB) $(OTHER_LIBS)
 
+DEF += -DOSGTEXT_LIBRARY
+
+ifneq ($(OS),HP-UX)
 INC += -I$(OSGHOME)/include \
 	-I/usr/include/freetype2 \
 	-I/usr/local/include \
 	-I/usr/local/include/freetype2  \
 	-I/usr/freeware/include \
-	-I/usr/freeware/include/freetype2 \
-
-DEF += -DOSGTEXT_LIBRARY
+	-I/usr/freeware/include/freetype2
+        
 LINKARGS += -L/usr/local/lib\
 	    -L/usr/freeware/lib$(ARCH)
+else
+INC += $(FREETYPE_INCLUDE)
+endif
 
 TARGET_BASENAME = osgText
 LIB = $(LIB_PREFIX)$(TARGET_BASENAME).$(LIB_EXT)