[Bug gcov-profile/93401] [9/10 regression] It is no longer possible to use -fprofile-generate= on setups with different instrumentation and feedback directories

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93401

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch
                URL|                            |https://gcc.gnu.org/ml/gcc-
                   |                            |patches/2020-02/msg00186.ht
                   |                            |ml

--- Comment #10 from Martin Liška <marxin at gcc dot gnu.org> ---
> 
> GCOV_PREFIX_STRIP=5
> GCOV_PREFIX=/home/runbot/profile-data
> 

Yes, these ENV variables are supposed to help people with cross compilation.
And firefox build seems close to it.
I've just sent patch that simplifies usage of this:
https://gcc.gnu.org/ml/gcc-patches/2020-02/msg00186.html