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

["Arnout Vandecappelle (Essensium/Mind)" <arnout@mind.be>]

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@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)
+
+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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