spec failure: unrecognized spec option ...

[Bill Northcott]

I have been building gcc-4.0.0 from Apple sources with tags in the  
apple-ppc-5000 series.

I was getting lots of messages like this "spec failure: unrecognized  
spec option 'Q'"

I notice that APPLE LOCAL tagged changes seem to turn spec warnings  
on.  Presumably they are off by default.

I amended /usr/lib/gcc/powerpc-apple-darwin8/4.0.0/specs line 26 and  
27 from:
*cpp_unique_options:
%yC%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}} %{! 
traditional:%{!ftraditional:%{!traditional-cpp:%Q}}} %{!Q:-quiet} % 
{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I %{MD:-MD %{!o:%b.d}%{o*: 
%.d%*}} %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}} %{M} %{MM} %{MF*} %{MG} % 
{MP} %{MQ*} %{MT*} %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}} % 
{trigraphs} %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i % 
{fmudflap:-D_MUDFLAP -include mf-runtime.h} %{fmudflapth:-D_MUDFLAP - 
D_MUDFLAPTH -include mf-runtime.h} %{E|M|MM:%W{o*}}

to:
*cpp_unique_options:
%yC%{C|CC:%{!E:%eGCC does not support -C or -CC without -E}}  %{!Q:- 
quiet} %{nostdinc*} %{C} %{CC} %{v} %{I*&F*} %{P} %I %{MD:-MD %{!o:% 
b.d}%{o*:%.d%*}} %{MMD:-MMD %{!o:%b.d}%{o*:%.d%*}} %{M} %{MM} %{MF*} % 
{MG} %{MP} %{MQ*} %{MT*} %{!E:%{!M:%{!MM:%{MD|MMD:%{o*:-MQ %*}}}}} % 
{trigraphs} %{remap} %{g3:-dD} %{H} %C %{D*&U*&A*} %{i*} %Z %i % 
{fmudflap:-D_MUDFLAP -include mf-runtime.h} %{fmudflapth:-D_MUDFLAP - 
D_MUDFLAPTH -include mf-runtime.h} %{E|M|MM:%W{o*}}

All the warnings stopped.

I have no idea what is going on here.  Can someone please give me  
some clues.

Bill Northcott