--- tools/build/v2/tools/vacpp.jam.orig	2007-11-23 12:03:14.000000000 -0500
+++ tools/build/v2/tools/vacpp.jam	2008-12-16 11:45:31.000000000 -0500
@@ -81,7 +81,7 @@
 else
 {
     # Linux PPC
-    flags vacpp.compile CFLAGS <link>shared : -qpic ;
+    flags vacpp.compile CFLAGS <link>shared : -qpic=large ;
     flags vacpp FINDLIBS : rt ;
 }
 
@@ -117,7 +117,7 @@
 
 actions vacpp.link.dll bind NEEDLIBS
 {
-    xlC_r -G $(LINKFLAGS) -o "$(<[1])" -L$(LIBPATH) -L$(STDLIBPATH) "$(>)" "$(NEEDLIBS)" "$(NEEDLIBS)" -l$(FINDLIBS)
+    xlC_r -G $(LINKFLAGS) -o "$(<[1])" -Wl,-soname -Wl,$(<[1]:D=) -L$(LIBPATH) -L$(STDLIBPATH) "$(>)" "$(NEEDLIBS)" "$(NEEDLIBS)" -l$(FINDLIBS)
 }
 
 actions vacpp.compile.c
--- tools/jam/src/build.jam.orig	2007-12-01 15:17:52.000000000 -0500
+++ tools/jam/src/build.jam	2008-12-01 17:52:39.000000000 -0500
@@ -299,10 +299,10 @@
 ## IBM VisualAge C++
 toolset vacpp xlc : "-o " : -D
     :
-    [ opt --release : -s -O3 -qstrict -qinline ]
-    [ opt --debug : -g -qNOOPTimize -qnoinline -pg ]
+    [ opt --release : -s -O3 -qstrict -qinline -qpic=large ]
+    [ opt --debug : -g -qNOOPTimize -qnoinline -qpic=large -pg ]
     -I$(--python-include) -I$(--extra-include)
     : -L$(--python-lib[1]) -l$(--python-lib[2]) -bmaxdata:0x40000000 ;
 ## Microsoft Visual C++ .NET 7.x
 toolset vc7 cl : /Fe /Fe /Fd /Fo : -D
     : /nologo