With GNU as PIC is not an noop, when -DPIC is used to invoke gas the generated assembly is broken. I saw this problem with a reautoconfiscated version of GMP. This may be unusual, but there was libtool used to invoke gas.
While -DPIC is a noop for usual compilation, it is harmful when used as gas flag to compile assembly, I suggest to remove it entirely when target is cygwin. Change would be in libtool.m4 line 4971 ff in libtool-1.5.10.
Alternative: don't pass flag through when gas is called.
I don't see anywhere that "-DPIC" is ever invoked on cygwin. Please send a patch to libtool.m4 that fixes the problem for you.
BTW, somebody mentioned libtool CVS branch-2.0 as being too "cutting edge" for cygwin use...FYI, libtool-cvs-branch2.0 passes ALL regression tests which is better than libtool has EVER done on our platform. I'm thinking of releasing a test version of the next beta...
-- Chuck
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