So everything in Rawhide must be compiled with -fPIC?

Richard W.M. Jones rjones at redhat.com
Thu Feb 19 10:37:46 UTC 2015


On Thu, Feb 19, 2015 at 11:35:17AM +0100, Jakub Jelinek wrote:
> On Thu, Feb 19, 2015 at 10:30:50AM +0000, Richard W.M. Jones wrote:
> > info gcc, of course yes.  -DPIC is not documented at all, and the
> > various pie/pic options are obscure to say the least.
> 
> Why should -DPIC be documented?  -D is documented.  -DPIC means define
> macro PIC to 1.  There is no magic in that beyond, just a convention,
> used e.g. by libtool, so that some sources can do things conditional on
> whether they are compiled as position independent or not.  Of course, gcc
> also predefines __pic__/__PIC__/__pie__/__PIE__ macros depending on command
> line options.

Can I ask you a simple question?  Which of:

-DPIE
-fPIE
-fpie

should I use when compiling and/or linking binaries for Rawhide?

Rich.

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