Building gcc with gmp source is failing with "Can't find gmp headers" (Centos 6.5)

[Andrew Haley]

On 04/14/2014 11:52 AM, Dave Gittins wrote:
> On Mon, Apr 14, 2014 at 5:19 PM, Marc Glisse <marc.glisse@inria.fr> wrote:
>> AFAIK they are requirements for the not-yet-released 4.9.0. Requirements
>> change for each release, you need to find some in the specific 4.4.0
>> documentation.
> 
> On Mon, Apr 14, 2014 at 7:34 PM, Chung-Ju Wu <jasonwucj@gmail.com> wrote:
>> The ISL is used after gcc-4.8.
>>
>> From the gcc-4.4.0 souce, gcc/doc/install.text,
>> the prerequisites are:
>>   gmp 4.1
>>   mpfr 2.3.2
>>   ppl 0.10
>>   cloog-ppl 0.15
>>
>> Also, if I remember correctly, the in-tree build of ppl and cloog-ppl
>> didn't work very well.  So if your are forced to build gcc-4.4.0, either
>> dropping ppl/cloog-ppl or build them by your own with required version.
> 
> Thanks guys, makes sense.
> 
> So... I tried again with GMP 4.1.1 and MPFR 2.3.2 (dropped PPL and CLooG).
> 
> Now it fails with this:
> 
> In file included from /usr/include/features.h:385,
>                  from /usr/include/stdio.h:28,
>                  from ../../../../gcc-4.4.0-src/libgcc/../gcc/tsystem.h:87,
>                  from ../../../../gcc-4.4.0-src/libgcc/../gcc/libgcc2.c:29:
> /usr/include/gnu/stubs.h:7:27: error: gnu/stubs-32.h: No such file or directory
> 
> Is this progress?!

You're trying to build a 32-bit libgcc but do not have 32-bit headers.
Either install the 32-bit glibc devel package or --disable-multilib.

Andrew.