openblas: GENERIC doesn't work, use specific cpus.

sci-libs/openblas/openblas-0.2.19.recipe

@@ -4,7 +4,7 @@ DESCRIPTION="OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD\
 HOMEPAGE="http://www.openblas.net/"
 COPYRIGHT="2011-2016 The OpenBLAS Project"
 LICENSE="BSD (3-clause)"
-REVISION="6"
+REVISION="7"
 SOURCE_URI="http://github.com/xianyi/OpenBLAS/archive/v$portVersion.tar.gz"
 CHECKSUM_SHA256="9c40b5e4970f27c5f6911cb0a28aa26b6c83f17418b69f8e5a116bb983ca8557"
 SOURCE_DIR="OpenBLAS-$portVersion"
@@ -48,8 +48,11 @@ BUILD()
 {
 	# DYNAMIC_ARCH is x86 only
 	# PPC & others should specify TARGET=
+	target=
+	[ "$targetArchitecture" == x86 ] && target=NORTHWOOD
+	[ "$targetArchitecture" == x86_64 ] && target=PRESCOTT
 	make MAKE_NB_JOBS=${jobArgs#-j} NO_LAPACKE=1 NO_AFFINITY=1 NO_WARMUP=1 \
-		NUM_THREADS=64 DYNAMIC_ARCH=1 USE_OPENMP=1 TARGET=GENERIC
+		NUM_THREADS=64 DYNAMIC_ARCH=1 USE_OPENMP=1 TARGET=$target
 }
 
 INSTALL()