Mail Archives: cygwin/1998/11/13/04:25:17
---Vladimir Dubrovin <vlad AT sci-nnov DOT 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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