* On 2016-06-06 at 15:27 BST, Herbert Xu wrote:
> On Fri, Dec 11, 2015 at 01:07:14PM +, Jonathan Perkin wrote:
> > In a 64-bit Solaris environment there is no stat64() function, only
> > stat(). This conflicts with the stat64 #define used to support
> > dietlibc/klibc when stat64() is not found and results in:
> >
> > ./../config.h:194:16: error: redefinition of 'struct stat'
> >#define stat64 stat
> > ^
> > In file included from cd.c:36:0:
> > /usr/include/sys/stat.h:217:8: note: originally defined here
> >struct stat {
> > ^
> >
> > Instead, add a AC_CHECK_DECL test for stat64, and only perform the
> > AC_CHECK_FUNC test if it isn't already defined.
>
> I don't understand, does stat64 exist or not? If it doesn't then
> how can AC_CHECK_DECL help? Or do you mean that it only exists as
> a macro?
Right, it only exists as a macro, defined as
#define stat64 stat
in sys/stat.h. The AC_CHECK_FUNC test fails as it doesn't pull in any
includes, and cannot find a stat64() function in libc.
Adding the AC_CHECK_DECL test finds the definition and avoids running
the AC_CHECK_FUNC tests if that is the case.
--
Jonathan Perkin - Joyent, Inc. - www.joyent.com
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