On Tue 27 Mar 2012 22:03:45 BST, Michael Hope wrote:
The PandaBoard auto builders are having a hard time keeping with
longer build and test times of 4.7 and the re-enabled libstdc++ tests.
For reference, here's how much each step costs:
Bootstrap GCC with C, C++, Fortran, and Obj-C: 9 hours
Test GCC: 9.5 hours
Test libstdc++: 4.4 hours
Test libgomp: 0.9 hours
Other tests: 0.2 hours
for a grand total of 23.8 hours. Every new commit gives a merge
request and trunk build for both A9 and ARMv5 giving 95 hours of
compute time. GCC 4.6 takes five hours to build and 5.5 to test.
This is just a FYI. I'll think about ways of speeding things up or
adding capacity. An i.MX6 with 2 GB of RAM and SATA would be nice...
Have you experimented with --disable-build-with-cxx and/or
--disable-build-poststage1-with-cxx? (Actually, I think only the latter
is enabled by default.) I know C++ takes longer to compile, so maybe C
takes longer with the C++ compiler also?
Of course, it might be that this ceases to be an option sooner or
later, if GCC takes the plunge and uses C++ features.
Andrew
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