_sys_* etc.

[Doug Gwyn]

In article <5513 at brl-smoke.ARPA> gwyn at brl.arpa (Doug Gwyn (VLD/VMB) <gwyn>) writes:
>In article <1258 at ho95e.UUCP> wcs at ho95e.UUCP (Bill Stewart 1-201-949-0705 ihnp4!ho95c!wcs HO 2G202) writes:
>>	#if _machine_ = vax
>(The `=' is not a string compare as in Bourne shell scripts.)

Actually, `=' makes no sense in this context and `==' isn't a string compare.

I suppose one could consider making `=' a token compare in preprocessor
expressions, but that probably runs into difficulties with the "phases
of translation" approach we took to support tokenized preprocessing.