[Insight-developers] Buildflags for producing flaky executables

[Brad King]

> MHCRC_athlon_DEBUG: -g -fstrict-aliasing -UNDEBUG  -Wall -Wcast-qual
> -Wstrict-prototypes
[snip]
> MHCRC_athlon_FAST: -DNDEBUG -O3 -funroll-all-loops -funroll-loops -march=at
> hlon -ffast-math -fstrength-reduce -fomit-frame-pointer -fstrict-aliasing
[snip]
> MHCRC_icc_DEBUG:  -g -UNDEBUG -w1 -wd810,188
[snip]
> MHCRC_icc_FAST:  -DNDEBUG -O3 -c99

I've just added an "itkSystemInformationTest" to itkCommonTests.  It
displays the CMakeCache.txt file from the build.  This will give all the
information needed to determine the platform and compiler flags used for a
particular dashboard build.

-Brad