I think I have found the root cause of #631627 and #631817 but I would like
confirmation. My theory is:
* on 2011-06-08, gcc-4.6 4.6.0-12 (and libgcc1) to unstable introduced support
* on 2011-06-09, eglibc 2.13-6 was built on unstable against the multiarch-aware
* on 2011-06-12, eglibc 2.13-7 was built on unstable against the multiarch-aware
* on 2011-06-25, eglibc 2.13-7 migrated to testing.
But libgcc1 (currently at 4.6.0-14) still has not migrated to testing. As a
consequence, ld looks for libgcc_s.so in the wrong (multiarch-aware) place.
If my theory is correct, the fix is simply to allow libgcc1 to migrate to
testing. There is a mysterious problem there; the PTS says the package should
have migrated five days ago but is out of date on powerpc; the buildd logs
indicate the build succeeded on 2011-06-18. Had libgcc1 migrated to testing in
time, this problem would never have appeared.
I am wondering why the renowned Debian Advanded Package Manager (i.e. apt)
failed to detect the incompatibility. Perhaps eglibc should have had a Breaks:
libgcc1 (<< 4.6.0-12)?
Could someone confirm my theory?
Could someone investigate why libgcc1 has not migrated into testing yet?
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