c langage preprocessing - Programmers Heaven

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c langage preprocessing

chelimalachelimala Posts: 1Member
Hi!

I have a following header file

myheader.h
----------


#define A 100

#if defined(A)
#error "You have defined A to 100"
#endif


when I do preprocessing it in the following way on a SunOs 5.10 it gives an error.


/usr/lib/cpp -C myhdr.h > myout
"/usr/include/sys/isa_defs.h", line 492: undefined control
"myhdr.h", line 6: undefined control


#error directive is causing the problem.

Please tell me the solution to avoid the above error on solaris box.

I preprocessed on AIX using the following command it works fine

xlc_r4 -C -E myhdr.h > myout





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