Re: arm support for gprbuild

Hi Bjorn,

Quoting Björn Persson <bjorn@rombobjörn.se>:

> Pavel Zhukov wrote:
>>
>> Hi all,
>>
>> As you probably know gprbuild is broken in Fedora'ARM.
>> It happened because (for some reasons) koji uses
>> --target=armv7hl-redhat-linux-gnu for gprbuild configuration but
>> gprbuild expects armv7hl-redhat-linux-gnueabi ("gcc -dumpmachine"'s
>> output).
>> I sent email to @devel and @arm and response was like "Gcc and mock
>> do wrong things but we use that we want for consistency" [1].
>> I'd not like to hardcore target somewhere or use dirty "sed tricks"
>> to workaround that configuration.
>>
>> So... I need help :(
>> Any ideas/suggestions?
>
> I have very little time for Fedora work currently, but I would like to
> at least understand what the problem is. Could you answer some questions
> to help me understand the problem?
>
> · Do you know if there's an important difference between "gnu" and
> "gnueabi", or if it's just two names for the same thing?

As per answer from arm-guys is only two names for consistency. I have
no idea that consistency they mean.
>
> · I get the impression that GPRbuild has a default target compiled in,
> which it uses if --target isn't passed, and the value it uses for the
> default comes from the RPM macro "configure". Is that right?
You're right.
>
> · Do GPRbuild and GPRconfig use the target string only for comparing to
> the output of "gcc -dumpmachine", or is it also used for something else?
> Does GPRbuild for example pass parameters to GCC based on the target
> string that affect how GCC compiles code?
as far as I understood it uses -dumpmachine to determinate the target
and use compiller/linker options accordingly.
>
> Björn

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