C Preprocessor

[Doug Gwyn]

In article <839 at brahma.cs.hw.AC.UK> chris at cs.hw.AC.UK (Chris Miller) writes:
-	#if ('j' - 'i' == 1)
-...
-The evaluation of the constant expression is clearly intended to be carried
-out in terms of the "execution environment" rather than the "translation
-environment".

Well, that's a bug on the part of the programmer.
The C translator is permitted to evaluate preprocessor
expressions using the native facilities, even when
cross-compiling.