[Bug target/58446] Support for musl libc

[gcc-bug-espfv4bhi9 at gregor dot im]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58446

Gregor Richards <gcc-bug-espfv4bhi9 at gregor dot im> changed:

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--- Comment #12 from Gregor Richards <gcc-bug-espfv4bhi9 at gregor dot im> ---
Created attachment 30864
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30864&action=edit
Changes to gcc/configure.ac for musl

Making libssp use the same system as everything else. (I'll leave the
whether-to-build-libssp debate to future generations :) )