On 2014-11-14 01:15 PM, Lubos Lunak wrote:
On Friday 14 of November 2014, Noel Grandin wrote:
(3) Use gcc's -gsplit-dwarf feature to reduce size of debug information
(clang also has some support for this)
https://gcc.gnu.org/wiki/DebugFission
We could auto-detect this in configure.ac and use it if available.
There's rather tool poor support for this feature so far. It e.g. requires
relatively recent gdb (and IIRC the support was buggy in some versions, I'm
not sure how well it works now. Neither ccache nor icecream support the
option (for ccache there's a 3rd party patch that has not been integrated,
for icecream I have a patch but compilers do not allow specifying proper path
refering to the .dwo file when building in a different path).
But that's never stopped us before!
We love using features that are just barely stable!
Especially since given our size we are guaranteed to head all of the edge cases and O(n^2) algorithms still lurking in
the tools......
:-)
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