Re: gcc-ddc

[Ricardo Wurmus]

Jan Nieuwenhuizen <address@hidden> writes:

> Gábor Boskovits writes:
>
> Hey Gábor!
>
> [cc: guix-devel]
>
>> I'm definietly making progress on this. Now I have a working debug build of 
>> gcc.
>> Identified the critical symbols, they are:
>
>> static const char *const standard_exec_prefix = STANDARD_EXEC_PREFIX;
>> static const char *const standard_libexec_prefix = STANDARD_LIBEXEC_PREFIX;
>> static const char *const standard_bindir_prefix = STANDARD_BINDIR_PREFIX;
>
> Oh nice!
>
>> The problem fundamentally is that they are calculated from prefix passed to 
>> configure.
>> I've checked, that that is the store location.
>
> Right.
>
>> How should we go on with this?
>>
>> Is it possible to pass other value as prefix, or should we keep prefix as 
>> is, and patch the makefile?
>> It is set from line 2092 in gcc/Makefile.in by the way.
>
> Good question.  I think we should try patching the Makefile.in.

I’m just throwing this in, even though I suspect that it is a terrible
idea: we could replace these symbols with calls to getenv and provide
the values at runtime with a separate wrapper that would be excluded in
the comparison.

--
Ricardo

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