Find out the c preprocessor of the Compaq C compiler and try to obtain
its output of parsed C source file.
On 11/15/2007 10:12 AM, [EMAIL PROTECTED] wrote:
I have had some success reproducing the event with a simple c program
and the issue appears to be with the in-house mpicc wrapper script.
The difference between gcc and mpicc appears limited to strings
(-D=\"string\") and does not show up in numerical form (e.g. -D=4)
I'll post another update when the issue is resolved.
Chris.
In the following examples cc is the same as mpicc (they both point to
a script called 'compile') but mpicc invokes slightly different
linking options than cc
$ cat prog.c
#include <stdlib.h>
#include <stdio.h>
int main(int argn,char *args[]){
printf("The value of MYDEF is %s\n",MYDEF);
}
$ gcc prog.c -DMYDEF=\"aaa\" -o prog
$ prog
The value of MYDEF is aaa
$ cc prog.c -DMYDEF=\"aaa\" -o prog
cc: Error: prog.c, line 5: In this statement, "aaa" is not declared.
(undeclared)
printf("The value of MYDEF is %s\n",MYDEF);
--------------------------------------^
###
However, when the defined value is a number, the problem dissapears:
$ cat prog_num.c
#include <stdlib.h>
#include <stdio.h>
int main(int argn,char *args[]){
printf("The value of MYDEF is %d\n",MYDEF);
}
$ gcc prog_num.c -DMYDEF=4 -o prog_num
$ prog_num
The value of MYDEF is 4
$ cc prog_num.c -DMYDEF=4 -o prog_num
$ prog_num
The value of MYDEF is 4
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