From 1d6ec141abf192caa4763a3ed0682f48561d2ca3 Mon Sep 17 00:00:00 2001
From: edoapra <edoardo.apra@gmail.com>
Date: Wed, 8 Nov 2023 22:36:26 -0800
Subject: [PATCH] introduced OPENBLAS_USES_OPENMP variable to handle OpenBLAS
 threaded with OpenMP

---
 src/config/makefile.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/config/makefile.h b/src/config/makefile.h
index fd4008e6e4..8d6d00049a 100644
--- a/src/config/makefile.h
+++ b/src/config/makefile.h
@@ -3888,7 +3888,14 @@ ifdef BUILD_OPENBLAS
     DEFINES += -DOPENBLAS
 endif
 ifeq ($(shell echo $(BLASOPT) |awk '/openblas/ {print "Y"; exit}'),Y)
-    DEFINES += -DOPENBLAS
+    ifdef OPENBLAS_USES_OPENMP
+        DEFINES += -DBLAS_OPENMP
+        ifndef USE_OPENMP
+           $(error USE_OPENMP must be set when OPENBLAS_USES_OPENMP is set)
+        endif
+    else
+        DEFINES += -DOPENBLAS
+    endif
 endif
 # NVHPC compilers are distributed wtih OpenBLAS named as libblas/liblapack
 ifeq ($(shell echo $(BLASOPT) |awk '/\/nvidia\/hpc_sdk\// {print "Y"; exit}'),Y)