Bug in config/i386bsd.h

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1 total messages Started by shap Fri, 01 Jan 1993 00:12

#1514

Author: shap
Date: Fri, 01 Jan 1993 00:12

29 lines
1461 bytes

Encountered in GCC versions: 2.2.*, 2.3, 2.3.*
Configuration:	configure -host=i386v4 -target=i386-bsd  (but see note below)

This is a pretty simple one.  When compiling i386bsd.h with a compiler which
is attempting to be pre-ansi compatible, stringification occurs.  This can
be verified with gcc by cd'ing to the config/ subdirectory of the GCC
distribution, and typing:

	gcc -Wtraditional -I. -I.. -E i386bsd.h > /dev/null

String replacement is definitely NOT wanted in these macros.

The problem is that the macro argument names appear within the strings.
Suggested solution is to rename the arguments from 'a' to 'aa', 'b' to 'bb',
etc.

Recommend that while you're there you check any other headers you think
might be suspect.

I'ld have sworn that I've reported this one before.

Note about the configuration: This problem was encountered on a private
configuration that is similar to i386-bsd (identical in all but name,
in fact, but it may not stay that way over time).


Jonathan S. Shapiro
Synergistic Computing Associates
shap@halifax.syncomas.com

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