Re: [PATCH, Modula-2 (C/C++/D/F/Go/Jit)] (Register spec fn) (v2)

[Gaius Mulley <gaius.mulley@southwales.ac.uk>]

Segher Boessenkool <segher@kernel.crashing.org> writes:

> Hi Gaius,
>
> On Fri, Jun 14, 2019 at 02:09:48PM +0100, Gaius Mulley wrote:
>> here is version two of the patches which introduce Modula-2 into the
>> GCC trunk.  The patches include:
>> 
>>   (*)  a patch to allow all front ends to register a lang spec function.
>>        (included are patches for all front ends to provide an empty
>>         callback function).
>>   (*)  patch diffs to allow the Modula-2 front end driver to be
>>        built using GCC Makefile and friends.
>> 
>> The compressed tarball includes:
>> 
>>   (*)  gcc/m2  (compiler driver and lang-spec stuff for Modula-2).
>>        Including the need for registering lang spec functions.
>>   (*)  gcc/testsuite/gm2  (a Modula-2 dejagnu test to ensure that
>>        the gm2 driver is built and can understands --version).
>
> I built on pwoerpc64-linux, with the patch and the tarball.
>
> I first need this patch, because srcdir is an absolute path for me:
>
> ===
> diff --git a/gcc/m2/Make-lang.in b/gcc/m2/Make-lang.in
> index e2d5098..a423a9e 100644
> --- a/gcc/m2/Make-lang.in
> +++ b/gcc/m2/Make-lang.in
> @@ -71,13 +71,13 @@ m2/gm2config.h:
>              export AR ; \
>              RANLIB=`echo $(RANLIB_FOR_TARGET) | sed -e "s/^ //"` ; \
>              export RANLIB ; \
> -            $(SHELL) -c '../$(srcdir)/m2/configure --srcdir=../$(srcdir)/m2 --t
> +            $(SHELL) -c '$(srcdir)/m2/configure --srcdir=$(srcdir)/m2 --target=
>          else \
> -            $(SHELL) -c '../$(srcdir)/m2/configure --srcdir=../$(srcdir)/m2 --t
> +            $(SHELL) -c '$(srcdir)/m2/configure --srcdir=$(srcdir)/m2 --target=
>          fi
>  
>  m2/gm2version.c: m2/gm2version.h
> -	cd m2 ; bash ../$(srcdir)/m2/tools-src/makeversion -p ../$(srcdir)
> +	cd m2 ; bash $(srcdir)/m2/tools-src/makeversion -p $(srcdir)
>  
>  # Build hooks.
>  
> ===
>
> (This patch might not be correct, but it works for me to get things to
> build, at least).
>
> But then I still get build failures: it tries to run xgcc when it hasn't
> been built yet.  ("it" == "something", I didn't keep logs, sorry).
>
> I let it run overnight with -j1, and it finished.  The testsuite is
> running now :-)
>
>
> Segher

Hi Segher,

many thanks for the patch and highlighting the relative vs absolute
srcdir build.  I've fixed the makeversion with a change to the script
(directory option added).  I'll work on the configure line and explore a
solution.  Yes -j1 is definitely an overnight task!


regards,
Gaius