How to get a crosscompile toolchain for aarch64 for use in poudriere[?]

[John Marino]

On 2/10/2017 10:24, Meyer, Wolfgang wrote:
>>
>> I don't know if this will help, but I created a proper [1]
>> cross-compiler for aarch64 last week:
>> http://www.freshports.org/lang/gnatcross-aarch64/
>>
>> John
>>
>> [1] By proper, I mean based on FreeBSD/ARM64 sysroot (currently
>> only Release 11.0 available)
>>
>
> Thanks, I will look at it next week. Is there a documentation on how
> the toolchain was created, or is it basically along the lines of
> normal gcc-based toolchain creation?

The ports makefiles are recipes.  If you want to know how something is 
built, you look at those.  There are many cross-compiler ports in the 
tree.  The only thing special about this one is that a bootstrap 
compiler is used in order to build the Ada front-end.  But that's just a 
case of specifying it over a base compiler.

> Although I somehow would prefer
> if I can manage to base my cross-compile toolchain on the base system
> toolchain.

Good luck, since that's impossible.  Cross-compilers need their own set 
of binutils for the target system.  You're not going to be able to do 
better than what I did.

John