Hi Vin Xue,
If the documentation can be improved, it should.
I will propose an update to the cross-compilation section, thank you
for reporting that the link had stopped working.
On Wed, Jul 15, 2020 at 10:31:23 +0000, Vin Xue wrote:
> Hi Lindholm,
>
> Thanks for your comments.
> Usually, I am working on Windows PC for BIOS development.
> Today I tried to build edk2-platform AAarch64 code, and found it's not
> easy to follow readme document. So, I submitted the patch.
>
> Please drop the patch if there is a better update in the near future.
>
> > ### clang
> > Clang does not require separate cross compilers, but it does need a
> > @@ -160,6 +163,9 @@ variable `{TOOL_CHAIN_TAG}_{TARGET_ARCH}_PREFIX` - in
> > the case above,
> > **GCC5_AARCH64_PREFIX**.
> >
> > So, referring to the cross compiler toolchain table above, we should
> > prepend the `build` command line with
> > `GCC5_AARCH64_PREFIX=aarch64-linux-gnu-`.
> > +```
> > +$ GCC5_AARCH64_PREFIX=aarch64-linux-gnu- build -n $NUM_CPUS -a AARCH64 -t
> > GCC5 -p Platform/ARM/JunoPkg/ArmJuno.dsc
> > +```
Actually, I misread this hunk since the context line before the
addition is too long, wrapping unfortuinately in my email client; I
read it as *replacing* the variable setting with the full usage
example. Apologies for this.
I have no objection to the addition of the full usage example. I will
drop the other bits of this patch and send out a minor set of readme
updates including the remainder of this patch.
/
Leif
>
> How to build a platform is already described in the section
> immediately preceding this one. This paragraph tells you how to inform
> the build system to apply a prefix for the compiler if cross compiling.
>
> Seprate note (to self, really): we don't need the -n thing anymore,
> the 'build' command has been updated to figure this out for itself.
>
> /
> Leif
>
> >
> > ## Using uefi-tools helper scripts
> > uefi-tools is a completely unofficial set of helper-scripts developed by
> > Linaro.
> > --
> > 2.27.0.windows.1
> >
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