How do I get a profiled libstdc++?

[Benjamin Kosnik]

> I've been trying to profile a program which has a substantual amount
> of its runtime in libstdc++. But try as I might, I can't get a copy of
> libstdc++ to compile with profiling, get my program to link against
> it, and have it generate a gmon.out that has frequency counts for the
> code in libstdc++. It only partially works, generating call counts for
> my program and the template functions in stdc++ that my program
> invokes.

to compile libstdc++ with profiling, you can do:

make CXXFLAGS="-pg" all

in the libstdc++ build directory.

When you say "only partially works," what other info were you expecting?

-benjamin