Performance wont build on Leopard

[William Davis]

Trying to upgrade Performance under Leopard gives these errors:
/snip/
ld warning: duplicate dylib /opt/local/lib/gcc42/libgcc_s.1.dylib
Making all for doc Performance...
autogsdoc -Project Performance -DocumentationDirectory Performance  - 
MakeDependencies Performance/dependencies GSCache.h GSThroughput.h  
GSTicker.h GSSkipMutableArray.h
gnumake[1]: *** No rule to make target `Performance/dependencies',  
needed by `internal-doc-all_'.  Stop.
gnumake: *** [Performance.all.doc.variables] Error 2

Warning: the following items did not execute (for Performance):  
org.macports.destroot org.macports.build


William Davis
frstanATbellsouthDOTnet
Mac OS X.5.4 Darwin 9.4.0
XQuartz 2.3.1 (xorg-server 1.4.2-apple9)
Mac Mini Intel Duo @ 1.86 GHz

Mundus vult decepi, ego non