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Re: Specifying a MULTILIB dependency


"Shaun Jackman" <sjackman@gmail.com> writes:

> I'm using MULTILIB_OPTIONS and MULTILIB_DIRNAMES to compile a PIC/XIP
> toolchain. I'm familiar with the MULTILIB_EXCEPTIONS mechanism to
> specify incompatible configurations. How, though, do I indicate that
> msingle-pic-base depends on fPIC?
> 
> MULTILIB_OPTIONS    += fPIC
> MULTILIB_DIRNAMES   += pic
> MULTILIB_OPTIONS    += msingle-pic-base
> MULTILIB_DIRNAMES   += xip

The usual hacked up way is to MULTILIB_EXCEPTIONS to remove
-msingle-pic-base without -fPIC.  Something like

MULTILIB_EXCEPTIONS = -msingle-pic-base

might do it.

Ian


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