On Mon, 20 Mar 2023 at 23:47, Dennis Grevenstein via Gcc-help <gcc-help@xxxxxxxxxxx> wrote: > > Hi, > > I’ve got an unusual problem. I have on old DECstation (MIPS R3000 > based) running the infamous OSF/1. I got gcc-2.7.2.3 compiled and > working and I am now trying to upgrade to 3.0.4. > One problem I found is that gcc-3.0.4 no longer defines > #define __LANGUAGE_C__ 1 > and a number of header files depend on it. > It still defines > #define __LANGUAGE_C 1 > but of course that is not the same. > gcc-2.7.2.3 still defined it correctly. I assume that this is just an > error in some file, but I can’t find where these defines are set. I think it's a call to builtin_define in gcc/config/mips/mips.h
