fix(tools): upgrade broken OpenBLAS dependency

This commit upgrade OpenBLAS from 0.2.19, which is now eight years out
of date, to 0.3.27. Note that OpenBLAS support is experimental in the
first place.

Fixes: #2228

deps/checksums/openblas_0_3_27_tar_gz/sha256

@@ -0,0 +1 @@
+aa2d68b1564fe2b13bc292672608e9cdeeeb6dc34995512e65c3b10f4599e897

tools/make/common.mk

@@ -404,7 +404,7 @@ deps_boost_version_slug := $(subst .,_,$(DEPS_BOOST_VERSION))
 DEPS_BOOST_BUILD_OUT ?= $(DEPS_BUILD_DIR)/boost_$(deps_boost_version_slug)
 
 # Define the OpenBLAS version:
-DEPS_OPENBLAS_VERSION ?= 0.2.19
+DEPS_OPENBLAS_VERSION ?= 0.3.27
 
 # Generate a version slug:
 deps_openblas_version_slug := $(subst .,_,$(DEPS_OPENBLAS_VERSION))
@@ -467,6 +467,9 @@ DEPS_OPENBLAS_NO_AVX ?= 1
 # Specify whether to use Haswell optimizations if binutils is too old (e.g. RHEL6):
 DEPS_OPENBLAS_NO_AVX2 ?= 1
 
+# Specify whether to use 512-bit extensions to AVX instructions
+DEPS_OPENBLAS_NO_AVX512 ?= 1
+
 # Specify whether to compile CBLAS:
 DEPS_OPENBLAS_NO_CBLAS ?= 0
 

tools/make/lib/install/openblas.mk

@@ -19,7 +19,7 @@
 # VARIABLES #
 
 # Define the download URL:
-DEPS_OPENBLAS_URL ?= https://github.com/xianyi/OpenBLAS/archive/v$(DEPS_OPENBLAS_VERSION).tar.gz
+DEPS_OPENBLAS_URL ?= https://github.com/OpenMathLib/OpenBLAS/archive/v$(DEPS_OPENBLAS_VERSION).tar.gz
 
 # Determine the basename for the download:
 deps_openblas_basename := openblas_$(deps_openblas_version_slug).tar.gz
@@ -102,10 +102,14 @@ endif
 
 # Allow disabling AVX for older `binutils`:
 ifeq ($(DEPS_OPENBLAS_NO_AVX), 1)
-	DEPS_OPENBLAS_BUILD_OPTS += NO_AVX=1 NO_AVX2=1
+	DEPS_OPENBLAS_BUILD_OPTS += NO_AVX=1 NO_AVX2=1 NO_AVX512=1
 else
 ifeq ($(DEPS_OPENBLAS_NO_AVX2), 1)
-	DEPS_OPENBLAS_BUILD_OPTS += NO_AVX2=1
+	DEPS_OPENBLAS_BUILD_OPTS += NO_AVX2=1 NO_AVX512=1
+else
+ifeq ($(DEPS_OPENBLAS_NO_AVX512), 1)
+	DEPS_OPENBLAS_BUILD_OPTS += NO_AVX512=1
+endif
 endif
 endif