[Bug target/45258] linkage on -ldl, -lm and -lpthread should be purged from darwin build

[howarth at nitro dot med dot uc dot edu]

------- Comment #8 from howarth at nitro dot med dot uc dot edu  2010-08-12 04:12 -------
These patches also appear to clean up the linkages on libstdc++.6.dylib and
libgfortran.3.dylib so that now libSystem is properly at the end of the
linkage. It will be interesting to see if these patches help eliminate the
random failures I have seen with...

FAIL: tr1/2_general_utilities/shared_ptr/thread/default_weaktoshared.cc
execution test

in the libstdc++ testsuite.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45258