This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: r196201 - in /trunk: gcc/ChangeLog gcc/config/i...

On Fri, Feb 22, 2013 at 11:53:39AM +0400, Konstantin Serebryany wrote:
> Jakub, thanks again for cleaning up my mess.
> 
> Here is a question regarding your fix:
> > -#if ASAN_USE_PREINIT_ARRAY
> > +#if ASAN_USE_PREINIT_ARRAY && !defined (PIC)
> 
> The PIC macro is an artifact of the GCC build system and is not
> directly related the the -fPIC flag?

The PIC macro is an artifact of using libtool, which takes care of building
everything twice, once with -fPIC -DPIC, once without.
If we set up our Makefiles so that asan_preinit.cc isn't build as part of
libasan.la (the libtool library), but just as an object, then the PIC guard
isn't needed.

	Jakub
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]