--- /opt/boost_1_34_0_src/tools/build/v2/tools/gcc.jam	2007-07-23 11:20:30.093231000 +0200
+++ ./gcc.jam	2007-09-05 08:23:15.518288204 +0200
@@ -44,6 +44,11 @@
 type.set-generated-target-suffix OBJ : <toolset>gcc : o ;
 type.set-generated-target-suffix STATIC_LIB : <toolset>gcc : a ;
 
+if [ os.name ] = HPUX 
+{
+   type.set-generated-target-suffix SHARED_LIB : <toolset>gcc : sl ;
+}
+
 type.set-generated-target-suffix IMPORT_LIB : <toolset>gcc <target-os>cygwin : dll.a ;
 type.set-generated-target-suffix IMPORT_LIB : <toolset>gcc <target-os>windows : a ;
 
@@ -319,8 +324,6 @@
     SONAME_OPTION = -h ;
 }
 
-
-
 flags gcc.compile USER_OPTIONS <cflags> ;
 flags gcc.compile.c++ USER_OPTIONS <cxxflags> ;
 flags gcc.compile DEFINES <define> ;
@@ -524,7 +527,15 @@
             flags $(toolset).link RPATH_OPTION $(condition) : -rpath : unchecked ;
             # -rpath-link is not supported at all.
         }
-        
+       
+    case hpux :
+        {
+        flags $(toolset).link OPTIONS $(condition)/<debug-symbols>off : -Wl,-s
+            : unchecked ;
+        flags $(toolset).link OPTIONS $(condition)/<link>shared : -Wl,-b -fPIC
+          : unchecked ;
+        flags $(toolset).link RPATH $(condition) : <dll-path> : unchecked ;
+        }
 
     case sun :
         {
@@ -643,8 +654,9 @@
 }
 else if [ modules.peek : UNIX ] 
 {
-    switch [ modules.peek : JAMUNAME ]
-    {
+#    switch [ modules.peek : JAMUNAME ]
+   switch [ os.name ]
+   {
     case SunOS* :
         {
         flags gcc OPTIONS <threading>multi : -pthreads ;
@@ -669,9 +681,10 @@
         {
         # gcc on IRIX does not support multi-threading, don't set anything here.
         }
-    case HP_UX :
+    case HPUX :
         {
-        # gcc on HP-UX does not support multi-threading, don't set anything here
+        flags gcc OPTIONS <threading>multi : -pthread -D_REENTRANT ;
+        flags gcc FINDLIBS-SA <threading>multi : rt ;
         }
     case Darwin :
         {