Changeset 9225:ac9897de5bfa
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scons: Restructure ccflags and ldflags

This patch restructures the ccflags such that the common parts are
defined in a single location, also capturing all the target types in a
single place.

The patch also adds a corresponding ldflags in preparation for
google-perf profiling support and the addition of Link-Time
Optimization.

util/regress all passing (disregarding t1000 and eio)