Re: Problems with stat() and lstat() in glibc 2.2

[Yang Jingsong <yjs at mail dot topresult dot com>]

Count0 wrote:

> Hi there.
> 
> I've been experiencing some problems when trying to compile code that uses
> stat() and/or lstat().
> 
> When I try to compile the following program:
> 
> #include <sys/stat.h>
> #include <unistd.h>
> 
> int main()
> {
>   struct stat *buf;
> 
>   return stat("blah",  buf); /* Could be lstat()... */
> }
> 
> I get this error :
> gcc test.c -o test
> /tmp/cc04OuUD.o: In function `main':
> /tmp/cc04OuUD.o(.text+0x13): undefined reference to `stat'
> collect2: ld returned 1 exit status
> 
> I checked <sys/stat.h>, and found out that stat(), lstat(), etc are inline
> wrappers to the internal functions __xstat(), __lxstat(), etc. So I passed
> '-O' to the compiler and it compiled fine, because it didn't ignore the
> inlines. 
> But it's also said in sys/stat.h that "It is arranged that when not inlined
> these function[the wrappers] are always statically linked" (line 289).
> 
> Anybody know why isn't it working then ? Is this a bug ?
> 
> This is breaking a lot of major builds, such as gcc, and I don't know if I've
> done anything wrong.
> 
> I'm using glibc 2.2 and gcc 2.95.2.
> 
> Please help !


I'm using libc 2.1.92 and gcc 2.6, has no this problem.