[Buildroot] [PATCH v4 2/3] package/lapack: introduce BR2_PACKAGE_LAPACK_ARCH_SUPPORTS

[Yann E. MORIN]

Arnout, All,

On 2021-07-24 23:45 +0200, Arnout Vandecappelle (Essensium/Mind) spake thusly:
> This makes it easier for packages that depend on lapack to get
> their dependencies correct.
> 
> Since the !uClibc dependency only exists for PowerPC, treat it as
> an architecture dependency.
> 
> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
> ---
>  package/lapack/Config.in | 11 ++++++++---
>  1 file changed, 8 insertions(+), 3 deletions(-)
> 
> diff --git a/package/lapack/Config.in b/package/lapack/Config.in
> index 6cd0810cb1..ee7aeae7a8 100644
> --- a/package/lapack/Config.in
> +++ b/package/lapack/Config.in
> @@ -1,13 +1,18 @@
> -comment "lapack/blas needs a toolchain w/ fortran"
> +config BR2_PACKAGE_LAPACK_ARCH_SUPPORTS
> +	bool
> +	default y
> +	# _fpu_control is used on PowerPC, but not available with uClibc
>  	depends on !(BR2_powerpc && BR2_TOOLCHAIN_USES_UCLIBC)

Patch 1 in the series states:

  _fpu_control is used on PowerPC, but not available with uClibc or musl

but here, _fpu_control is just not available with uClibc...

I've just checked, and as far as I can see, musl still does not provide
_fpu_control...

This inconsistency pre-exists before your series, but still, this is the
opportunity to fix it, so I've done so when applying...

Applied to master, thanks.

Regards,
Yann E. MORIN.

> +comment "lapack/blas needs a toolchain w/ fortran"
> +	depends on BR2_PACKAGE_LAPACK_ARCH_SUPPORTS
>  	depends on !BR2_TOOLCHAIN_HAS_FORTRAN
>  
>  config BR2_PACKAGE_LAPACK
>  	bool "lapack/blas"
> +	depends on BR2_PACKAGE_LAPACK_ARCH_SUPPORTS
>  	depends on BR2_TOOLCHAIN_HAS_FORTRAN
>  	depends on !BR2_PACKAGE_CLAPACK
> -	# _fpu_control is used on PowerPC, but not available with uClibc
> -	depends on !(BR2_powerpc && BR2_TOOLCHAIN_USES_UCLIBC)
>  	help
>  	  LAPACK and BLAS FORTRAN implementation. This package
>  	  installs two libraries: libblas and liblapack.
> -- 
> 2.31.1
> 
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