host-x86_64-pc-linux-gnu/gcc/xgcc: No such file or directory

[Jonny Grant]

On 30/11/2023 09:31, Jonathan Wakely wrote:
> 
> 
> On Wed, 29 Nov 2023, 23:53 Jonny Grant, <jg@jguk.org <mailto:jg@jguk.org>> wrote:
> 
> 
> 
>     On 29/11/2023 15:55, Jonathan Wakely wrote:
>     > On Wed, 29 Nov 2023 at 14:44, Jonny Grant <jg@jguk.org <mailto:jg@jguk.org>> wrote:
>     >>
>     >>
>     >>
>     >> On 29/11/2023 13:05, Jonathan Wakely wrote:
>     >>> On Wed, 29 Nov 2023 at 12:59, Jonny Grant <jg@jguk.org <mailto:jg@jguk.org>> wrote:
>     >>>>
>     >>>> Hello
>     >>>>
>     >>>> Has anyone encountered this when compiling gcc from source? libgomp doesn't build due to xgcc missing
>     >>>>
>     >>>> I got latest git, did
>     >>>> ./configure --disable-multilib
>     >>>
>     >>> Don't build in the source directory: https://gcc.gnu.org/wiki/FAQ#configure <https://gcc.gnu.org/wiki/FAQ#configure>
>     >>>
>     >>>> make html
>     >>>
>     >>> Try make all-gcc before make html.
>     >>
>     >>
>     >> Sure.
>     >>
>     >> It gets stuck on genmodes.cc
>     >>
>     >>
>     >>
>     >> ../gcc_doc/configure --prefix=/home/jonny/code/repos/gcc_tests/gcc_install --disable-multilib
>     >
>     > This belongs on the gcc-help list, not here.
>     >
>     > Are you sure you ran configure in an empty dir, not one you'd already
>     > fouled up with previous configurations or previous 'make html'
>     > commands?
> 
>     May I ask if "make distclean" clean up the 24 files that are left as untracked files? "git status" shows them. Anyway, as you have suggested, I'll always run on a separate build dir.
> 
>     My build dir worked after I removed these 3:
> 
>     gcc/collect-ld
>     gcc/bconfig.h
>     gcc/auto-host.h
> 
> 
>     The full 24 I local files I removed. Sharing for completeness.
>             gcc/Make-hooks
>             gcc/ada/Makefile
>             gcc/ada/gcc-interface/Makefile
>             gcc/as
>             gcc/auto-host.h
>             gcc/bconfig.h
>             gcc/collect-ld
>             gcc/config.h
>             gcc/configargs.h
>             gcc/cs-bconfig.h
>             gcc/cs-config.h
>             gcc/cs-tm.h
>             gcc/cs-tm_p.h
>             gcc/cstamp-h
>             gcc/dsymutil
>             gcc/gcc-driver-name.h
>             gcc/gcc-vers.texi
>             gcc/m2/Make-maintainer
>             gcc/m2/config-make
>             gcc/nm
>             gcc/option-includes.mk <http://option-includes.mk>
>             gcc/plugin-version.h
>             gcc/tm.h
>             gcc/tm_p.h
> 
> 
>     > You should start in a completely empty directory. And I assume
>     > ../gcc_doc is not the same directory as .
> 
>     Yes, have gcc_build directory too. I'd expected "make distclean" to have been enough. But I'll always build from a separate directory now.
> 
> 
> Just remove the whole directory and start again in a clean one.

Fair enough, I did that, it works now.

> I'll add that to the FAQ.

Is it this page?

https://gcc.gnu.org/install/configure.html

How about changing this line to clarify make just say building within the src tree does not work, and is unsupported?

Change from:
"First, we highly recommend that GCC be built into a separate directory"

To:
"First, we only support building GCC from a separate directory"

Kind regards, Jonny