Re: GUB and mpfr/mpc

[Masamichi HOSODA]

> I'm trying to update GCC on GUB and have a new virtual machine with 
> updated versions.  I was having problems getting MPFR to build, but it 
> looks like I'ev fixed that with the new VM.  However, it looks to me like 
> GCC 4.8.2 has a new dependency on MPC that older versions did not: there 
> appears no mention of MPC as a package in the current version of GUB.  My 
> most recent failure says this:
> 
> checking for the correct version of gmp.h... buggy but acceptable
> checking for the correct version of mpfr.h... yes
> checking for the correct version of mpc.h... no
> configure: error: Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 
> 0.8.0+.
> 
> So it looks like we need to add a dependency on MPC.  Problem is, I don't 
> have a clue how to do this.  I could try some stuff, but can anyone here 
> help with how this dependency should be added to GUB?
> 
> TIA.
> 
> 
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Did the error occur, while building cross/gcc?
If that is right, GMP/MPFR/MPC may be required for not GUB but host OS.