Hi again, Kai, The fact is that the previous developer left the company without leaving any documentation. Best regards, Dingjun ________________________________ From: Toon Moene <toon@xxxxxxxxx> Sent: Friday, October 13, 2023 2:35 PM To: Dingjun Chen <Dingjun.Chen@xxxxxxxxxxxxxxxxxxx>; Kai Ruottu <kai.ruottu@xxxxxxxxxxx>; gcc-help@xxxxxxxxxxx <gcc-help@xxxxxxxxxxx> Subject: Re: Some errors occurred when building Linux 2.4.36 Kernel used for building cross-compiler External Email Warning: Do not click any links or open any attachments unless you trust the sender and know the content is safe. From Geotech IT. On 10/13/23 20:18, Dingjun Chen wrote: > Hi again, Kai, > > By the way, the software product of our company was developed, but it is not commercial. It is only used by us and could be thought of as an in-house sofeware product. I am here to explain more about it. If that's the case, one would assume that there was in-house documentation on how to build it with the (range of releases of) gcc (that are useful). Have you asked around at your company ? Kind regards, -- Toon Moene - e-mail: toon@xxxxxxxxx - phone: +31 346 214290 Saturnushof 14, 3738 XG Maartensdijk, The Netherlands