OpenBLAS-fix-dynamic-arch.patch

diff --git a/Makefile.x86_64 b/Makefile.x86_64
index f2de51e..e1c348a 100644
--- a/Makefile.x86_64
+++ b/Makefile.x86_64
@@ -9,7 +9,7 @@ endif
 endif
 
 ifeq ($(CORE), SKYLAKEX)
-ifndef DYNAMIC_ARCH
+ifneq ($(DYNAMIC_ARCH), 1)
 ifndef NO_AVX512
 CCOMMON_OPT += -march=skylake-avx512
 FCOMMON_OPT += -march=skylake-avx512
@@ -28,7 +28,7 @@ endif
 endif
 
 ifeq ($(CORE), HASWELL)
-ifndef DYNAMIC_ARCH
+ifneq ($(DYNAMIC_ARCH), 1)
 ifndef NO_AVX2
 ifeq ($(C_COMPILER), GCC)
 CCOMMON_OPT += -mavx2