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configuration section to handle *-*-freebsd*.
* config.gcc (the unlabeled system switch statement): Add
generic configuration section to handle *-*-freebsd*. Also,
to match the system compiler, default to threading support (it
may be disabled with the standard --disable-threads
configuration-time switch).
(i[34567]86-*-freebsd* in machine-specific section): Use it.
(alpha*-*-freebsd* in machine-specific section): Likewise.
* config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
* config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
* config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
* config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
* config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
Co-Authored-By: David O'Brien <obrien@freebsd.org>
From-SVN: r42463
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