On Fri, Apr 22, 2011 at 8:12 AM, Barry Smith <bsmith@mcs.anl.gov> wrote:

 Matt,

  In the test for isinf() the compile warns about lack of prototype. BuildSystem should stop at this point and NOT set HAVE_ISINF. Could you please fix this?

Are you sure? It linked just fine. If you still want to signal an error, we can do it by looking for that string.

  Matt
 
   Thanks

    Barry



sh: gcc -c -o conftest.o  -Wall -Wwrite-strings -Wno-strict-aliasing -g3  conftest.c
Executing: gcc -c -o conftest.o  -Wall -Wwrite-strings -Wno-strict-aliasing -g3  conftest.c
sh:
Possible ERROR while running compiler: error message = {conftest.c: In function 'main':
conftest.c:6: warning: implicit declaration of function 'isinf'
conftest.c:6: warning: unused variable 'a'
}
Source:
#include "confdefs.h"
#include "conffix.h"
#include <math.h>

int main() {
double b = 2.0; int a = isinf(b);
;
 return 0;
}
               Pushing language C
               Popping language C
sh: gcc  -o conftest    -Wall -Wwrite-strings -Wno-strict-aliasing -g3  conftest.o -L/opt/local/lib/gcc/sparc-sun-solaris2.10/4.4.1 -L/opt/local/lib/gcc -L/usr/ccs/lib -L/opt/local/lib -ldl -lgcc_eh -ldl  -lsocket -lnsl
Executing: gcc  -o conftest    -Wall -Wwrite-strings -Wno-strict-aliasing -g3  conftest.o -L/opt/local/lib/gcc/sparc-sun-solaris2.10/4.4.1 -L/opt/local/lib/gcc -L/usr/ccs/lib -L/opt/local/lib -ldl -lgcc_eh -ldl  -lsocket -lnsl
sh:
       Defined "HAVE_ISINF" to "1"




--
What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.
-- Norbert Wiener