[RFH] changing linkfile name depending on a flag passed

[Paolo Bonzini]

Andrew Pinski wrote:
To support libobjc on Darwin I need able change -lobjc to
-lobjc-gnu if -fgnu-runtime is supplied.  I know that gcc.c
needs to be changed but I do not know where to change -lobjc
to be -lobjc-gnu, I tried LINK_SPECS but that did not work at
all.
Is it feasible to install as both libobjc-gnu.a and libobjc.a on all 
platforms but Darwin, and use -lobjc-gnu everywhere?

Just a wild guess.

Paolo