help: how to use tree-browse function in gcc4.1.1?

[Ian Lance Taylor]

"MCG SUN Xun" <Xun.SUN@alcatel-sbell.com.cn> writes:

>    I download gcc4.1.1 and compiler it, debug it with gdb,
> then according to
> http://gcc.gnu.org/projects/tree-ssa/tree-browser.html,
> I want to use :
>             gdb> p browse_tree
> but it shows: no this function.
> Then I grep tree-browse.o under my gcc install directary, and no this
> file there.
> I try to find the configure and Makefile.in and no clue there.
> I try to re-compiler gcc4.1.1 with:
>    ./configure  --enable-tree-browse --enable-tree-checking
> --prefix=MYDIR --enable-language=c
>    ./make
>    ./make install
> But there is also no tree-browse.o generated.

You need to configure with "--enable-checking=tree".  The
documentation is probably out of date.

Ian