🚀 go-pugleaf

In <487f77$t4s@nyx10.cs.du.edu> colin@nyx10.cs.du.edu (Colin Plumb) writes:

>Okay, okay, if I can't DWIM with this audience, try the following:
>
>host% cat >foo.c <<EOF
>#define FOO 1
> 
>#ifndef HAVE_FOO
>#define HAVE_FOO defined(FOO)
>#endif
> 
>#if HAVE_FOO
>/* I believe the following to be a Strictly Conforming program. */
>#include <stdio.h>
>#include <stdlib.h>
>int main(void) {
>	return puts("Hello, world!") < 0 ? EXIT_FAILURE : 0;
>}
>#else
>#error Huh, we have no FOO?
>#endif
>EOF
>host% cc -migrate -std1 foo.c 
>cc: Warning: foo.c, line 7: Spurious token(s) ignored on preprocessor directive line.
>#if HAVE_FOO
>----^
>cc: Error: foo.c, line 15: #error Huh, we have no FOO?
>#error Huh, we have no FOO?
>-^
>cc: Error: foo.c, line 16: Source file does not contain any declarations.
>#endif
>------^
>host% 
>
>How is *that*?

Time to upgrade your compiler:

    ues5:~/tmp 5> uname -a
    OSF1 ues5.cern.ch V3.2 17 alpha
    ues5:~/tmp 6> cc -migrate -std1 foo.c
    ues5:~/tmp 7> ./a.out
    Hello, world!

Dan
--
Dan Pop
CERN, CN Division
Email: danpop@mail.cern.ch 
Mail:  CERN - PPE, Bat. 31 R-004, CH-1211 Geneve 23, Switzerland