Re: [Xen-devel] [PATCH] libxl/arm: Fix build on arm64 + acpi

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Aug 25, 2017 at 05:35:47PM -0400, Daniel Sabogal wrote:
> With musl, the build fails with the following errors:
> 
>   actypes.h:202:2: error: #error unknown ACPI_MACHINE_WIDTH
>    #error unknown ACPI_MACHINE_WIDTH
>     ^~~~~
>   actypes.h:207:9: error: unknown type name ‘acpi_native_uint’
>    typedef acpi_native_uint acpi_size;
>            ^~~~~~~~~~~~~~~~
>   actypes.h:617:3: error: unknown type name ‘acpi_io_address’
>      acpi_io_address pblk_address;
>      ^~~~~~~~~~~~~~~
> 
> This likely went undetected with glibc builds since glibc
> indirectly pulls __BITS_PER_LONG from the linux headers
> through a standard header. For musl, this is not the case.
> 
> Instead, use BITS_PER_LONG to fix the build.
> 
> Signed-off-by: Daniel Sabogal <dsabogalcc@xxxxxxxxx>

Acked-by: Wei Liu <wei.liu2@xxxxxxxxxx>

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