use of alloca

[Golubev I. N.]

> Did you run `make bootstrap' or just `make'?

I run `make cc1' after `make bootstrap'.  For some reason (irrelevant
to this discussion) I want to do exactly this: rebuild cc1 with tools
used for creating stage1 files.

I suspected that alloca.o might be the one created by stage*/xgcc for
use by it.  But rebuilding it failed since it also does not use CC
that built stage1 executables.  `make bootstrap' used CC from
config.status, and `make alloca.o' or `make cc1' used that from `host
overrides'.

The following question is perhaps for help-gcc.  Even if I wish to
rebuild cc1 (or some other program) with stage2/xgcc, is there a way
to do it simply?  `bootstrap' procedure passes plethora of flags to
`make' that builds stage2 and later, and reproducing those flags
manually is too complicated.

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