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Specifying a MULTILIB dependency


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

Please cc me in your reply. Thanks,
Shaun


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