Hi, Jeff Law. In my environment, neither egcs-1.1.2 nor gcc-2.95.2 can be compiled successfully . There are some errors in the code, for example: decl.c: In function 'start_struct': decl.c:4448:1: error: argument 'code' doesn't match prototype start_struct (code, name) ^ In file included from decl.c:187:0: ch-tree.h:736:13: error: prototype declaration extern tree start_struct PROTO((enum tree_code, tree)); ^ Can you teach me how to resolve this problem? The blow is my environment information: [test@ubuntu:gcc-2.95.2]$ uname -a Linux ubuntu 4.4.0-78-generic #99~14.04.2-Ubuntu SMP Thu Apr 27 18:51:25 UTC 2017 i686 i686 i686 GNU/Linux [test@ubuntu:gcc-2.95.2]$ gcc -v gcc version 4.8.4 (Ubuntu 4.8.4-2ubuntu1~14.04.3) > On Sep 25, 2018, at 3:54 AM, nosay <chenwen1228@xxxxxxx> wrote: > > Thank you very much! > >> On Sep 25, 2018, at 3:41 AM, Jeff Law <law@xxxxxxxxxx> wrote: >> >> On 9/24/18 1:13 PM, nosay wrote: >>> I want to compile linux-2.4.0 kernel source. The README writes: >>> COMPILING the kernel: >>> - Make sure you have gcc-2.91.66 (egcs-1.1.2) available. gcc 2.95.2 may >>> also work but is not as safe, and *gcc 2.7.2.3 is no longer supported*. >>> Also remember to upgrade your binutils package (for as/ld/nm and company) >>> if necessary. For more information, refer to ./Documentation/Changes. >>> >>> But I can’t find gcc-2.91.66 in https://gcc.gnu.org/releases.html. And it says “gcc-2.95.2 is no longer maintained” in https://gcc.gnu.org/gcc-2.95/. So can you tell me how to get gcc-2.91.66 or gcc-2.95.2? thank you very much! >>> >>> >>> >> It's been a long time. I would see if any of the egcs releases >> correspond to what you need. They're available via anonymous ftp from >> gcc.gnu.org/pub/gcc/old-releases/egcs >> >> gcc-2.95 would be found in >> >> gcc.gnu.org/pub/gcc/gcc-2 >> >