Re: [PATCH v3 0/8] Add objtool and orc support for LoongArch

[Tiezhu Yang]

On 10/20/2023 06:45 PM, Xi Ruoyao wrote:
> On Fri, 2023-10-20 at 18:28 +0800, Tiezhu Yang wrote:
> > On 10/20/2023 04:51 PM, Huacai Chen wrote:
> > > Cross compiling on X86 for LoongArch fails:
> > >
> > >    CALL    scripts/checksyscalls.sh
> > >    DESCEND objtool
> > > make[5]: *** No rule to make target
> > > '/usr/lib/gcc/x86_64-redhat-linux/8/include/stdbool.h', needed by
> > > '/home/chenhuacai/linux-official.git/tools/objtool/libsubcmd/exec-cmd.o'.
> > > Stop.
> > > make[4]: *** [Makefile:80:
> > > /home/chenhuacai/linux-official.git/tools/objtool/libsubcmd/libsubcmd-in.o]
> > > Error 2
> > > make[3]: *** [Makefile:82:
> > > /home/chenhuacai/linux-official.git/tools/objtool/libsubcmd/libsubcmd.a]
> > > Error 2
> > > make[2]: *** [Makefile:73: objtool] Error 2
> > > make[1]: *** [/home/chenhuacai/linux-official.git/Makefile:1355:
> > > tools/objtool] Error 2
> > > make: *** [Makefile:234: __sub-make] Error 2
> >
> > It seems that there is no stdbool.h in your cross compile environment.
> >
> > It works well with the following steps, you can try it.
>
> /* snip */
>
> > find /opt -name stdbool.h
> > /opt/cross-tools/lib/gcc/loongarch64-unknown-linux-gnu/14.0.0/include/stdbool.h
> > /opt/cross-tools/loongarch64-unknown-linux-gnu/include/c++/14.0.0/tr1/stdbool.h
>
> The problem is HOSTCC cannot find stdbool.h, not (target) CC.  So these
> two files are not relevant.

Oh, thank you for pointing out the real reason of this issue.

By the way, my test system is Fedora 38 x86_64, it works well.

Thanks,
Tiezhu