Re: B20: undefined reference to `_impure_ptr'

[Earnie Boyd <earnie_boyd at yahoo dot com>]

---Vladimir Dubrovin <vlad@sci-nnov.ru> wrote:
>
> Hello Gnu-win32,
> 
>  This  bug  was  already reported, but i didn't stated any solution...
>  Sorry,  if  i'm  wrong of if it's not the bug, but result if improper
>  use  of mingw32. The problem is following: then i'm trying to compile
>  simple program with -mno-cygwin switch i've got linker error:
>  undefined reference to `_impure_ptr'
> 
>  It  seems, that this error appears only then i'm using some functions
>  with  more then one arguments (such as fopen()), because there wasn't
>  problem then i compiled "Hello world!" ;)
>  Does someone know how to fix it?
> 
>  Simple example to test the problem:
> 
> test.c:
> 
> #include <stdio.h>
> 
> int main(void){
>     FILE *fp;
>     char buffer[256];
> 
>     fp=fopen("test.c", "r");
>     if(!fp) {
>             fprintf(stderr, "Failed to open\n");
>             return 1;
>     }
>     while ( fgets(buffer, 256, fp) )printf ("%s", buffer);
>     return 0;
> }
> 
> >gcc -mno-cygwin -o test test.c
> D:\TEMP\ccW0yQoU.o(.text+0x4d):test.c: undefined reference to
`_impure_ptr'
> collect2: ld returned 1 exit status

I did not have this problem.  Have you seen the mail references to the
changes in the specs file?

==
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