Weird linking-problem

Andreas Schwab schwab@issan.informatik.uni-dortmund.de
Wed Jul 1 06:36:00 GMT 1998


deas@uni-hamburg.de (Andreas Steffan) writes:

|> Preprocessed:
|> 
|> gcc -ggdb -O2 -Wall -Woverloaded-virtual -Wno-unused -Wno-uninitialized  -I. -I..   -c  -I/usr/X11R6/include -I/usr/include saveload.cpp -E >saveload.cpp.pre

This is the bad line:

    struct stat statbuf; extern int errno;

After preprocessing this expands to:

    struct stat statbuf; extern int (*__errno_location ()) ;

This is a no-no.  You cannot use the identifier errno any more in any
declaration after you have included <errno.h>.

Andreas.

-- 
Andreas Schwab                                      "And now for something
schwab@issan.informatik.uni-dortmund.de              completely different"
schwab@gnu.org



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