From a5feea6611f49e875de83282c061843e18050af6 Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Sun, 4 Oct 2020 23:01:06 +0200
Subject: [PATCH] make BLAS3_MEM_ALLOC_THRESHOLD configurable on non-Windows

---
 cmake/system.cmake | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/cmake/system.cmake b/cmake/system.cmake
index 8908a1890..0734065df 100644
--- a/cmake/system.cmake
+++ b/cmake/system.cmake
@@ -323,7 +323,13 @@ else ()
 set(CCOMMON_OPT "${CCOMMON_OPT} -DMAX_STACK_ALLOC=2048")
 endif ()
 endif ()
-
+if (NOT ${CMAKE_SYSTEM_NAME} STREQUAL "Windows")
+if (DEFINED BLAS3_MEM_ALLOC_THRESHOLD)
+if (NOT ${BLAS3_MEM_ALLOC_THRESHOLD} EQUAL 32)
+set(CCOMMON_OPT "${CCOMMON_OPT} -DBLAS3_MEM_ALLOC_THRESHOLD=${BLAS3_MEM_ALLOC_THRESHOLD}")
+endif()
+endif()
+endif()
 if (DEFINED LIBNAMESUFFIX)
   set(LIBPREFIX "libopenblas_${LIBNAMESUFFIX}")
 else ()