ARM Cortex-M Microcontroller startup files

[Iain Buclaw via Digitalmars-d]

On 27 April 2015 at 18:08, Timo Sintonen via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> On Monday, 27 April 2015 at 07:34:52 UTC, Mike wrote:
>
>>
>> The toolchain at https://launchpad.net/gcc-arm-embedded doesn't require
>> this modification, so I'm wondering if there's another way.  My
>> understanding is that this is unlreated to GDC itself, so we should be able
>> to follow essentially the same procedure as the embedded C/C++ toolchains,
>> right?
>>
>> They have their build scripts included in their source package, so I spent
>> a little time analyzing their build scripts today, and I see they are using
>> the following config option:
>>
>> "--with-multilib-list=armv6-m,armv7-m,armv7e-m,cortex-m7,armv7-r"
>>
>> I'm wondering if that alone will do it.  I guess I'll give it a try later
>> and let you all know what I find.
>>
>> Mike
>
>
> They have not touched t-arm-elf. Instead they have created t-aprofile where
> they have recipes for a huge collection of libraries. They also have used
> the exclusive method and only a real guru can understand what this file is
> doing. I think there will be more than 10 different libraries built.
>
> Somewhere in configure options they have put an option that tells configure
> to use this file instead of t-arm-elf.

(That would be gcc/config.gcc)