[CMake] How to specify -fpic ?

[Marcel Loose]

On Thu, 2010-09-30 at 12:30 +0100, David Aldrich wrote:
> Hi Michael
> 
> > So, the options are:
> > 
> > - use -whole-archive as you do now
> > - make the Kernel library shared
> > - link the dlopen'ed libraries against Kernel
> 
> Thanks very much - I understand. I think I will keep the
-whole-archive method.
> 
> However, now I'm worried about how I link in the Python library:
> 
> /usr/bin/c++ -O3 -DNDEBUG -Wall -m64 -o myProj -rdynamic
-Wl,-whole-archive Kernel/libKernel.a -Wl,-no-whole-archive -ldl
-lpython2.4
> 
> The dlopen'ed libraries may use the Python library. I guess I could
include it in the -whole-archive part, but perhaps it would be better to
link each shared library against Python. Would you agree?
> 
> Sorry that I am now off topic w.r.t cmake.
> 
> By the way, I think I am pretty much there with changing our build
system from manually coded makefiles to cmake. I like cmake!  Thanks for
all your help in getting there.  The support on this list is excellent.
> 
> Best regards 
> 
> David 
> 
Hi David,

Considering all the hassle you have to go through. Why don't you build a
shared libKernel.so library and let the runtime loader fix all the
issues you're now trying to solve compile/link time?

Best regards,
Marcel Loose.