From e7f5d3c8940a25fe59046d2aa999fd5d513e381f Mon Sep 17 00:00:00 2001
From: Martin Kroeker <martin@ruby.chemie.uni-freiburg.de>
Date: Tue, 15 Mar 2022 22:16:58 +0100
Subject: [PATCH] Utilize compiler AVX512 capability info from c_check when
 building getarch

---
 Makefile.prebuild | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile.prebuild b/Makefile.prebuild
index 399db956f..7aaeb09c3 100644
--- a/Makefile.prebuild
+++ b/Makefile.prebuild
@@ -71,7 +71,11 @@ endif
 
 
 getarch : getarch.c cpuid.S dummy $(CPUIDEMU)
-	$(HOSTCC) $(HOST_CFLAGS) $(EXFLAGS) -o $(@F) getarch.c cpuid.S $(CPUIDEMU)
+ifneq (,$(findstring NO_AVX512,$(file < $(TARGET_MAKE))))
+	$(HOSTCC) $(HOST_CFLAGS) $(EXFLAGS) -DNO_AVX512=1 -v -o $(@F) getarch.c cpuid.S $(CPUIDEMU) >getarchlog 2>&1
+else
+	$(HOSTCC) $(HOST_CFLAGS) $(EXFLAGS) -v -o $(@F) getarch.c cpuid.S $(CPUIDEMU) >getarchlog 2>&1
+endif
 
 getarch_2nd : getarch_2nd.c config.h dummy
 ifndef TARGET_CORE