autoconf: my turn to ask questions ;-( (actually sed expert question)

[Christopher Browne]

> While trying to compile pgsql 7.0.3 (yes it has to be that version) on a 
> modern system I have a sed error during configure run. I debugged the 
> scripts generated by the configure script and the sed error boils down to 
> this: A sed script generated by config.status has these lines:

I reported a similar problem when trying to compile a "pretty old"
PostgreSQL on RHAT 8 a while back.  I think it was 7.1, but it was a
while ago, so I'm not certain...  The problem turned out to be that the
code in configure that was extracting the compiler version assumed that
there would be exactly one line of output from "gcc -v"

Look in the configure script for where it grabs gcc version information.

The relevant line in the latest CVS is thus:

{ (eval echo "$as_me:$LINENO: \"$ac_compiler -v </dev/null >&5\"") >&5

The fix would be to pipe it to grep and just grab the version
information.
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