fix: usage and sample text of hf mf cwipe

[proxmark3-svn] / client / Makefile

diff --git a/client/Makefile b/client/Makefile
index b9f5e78ba464ce20f24e35268590a50c97c8e910..ec593558d83c1598237584222743ac98fa709f74 100644 (file)
--- a/client/Makefile
+++ b/client/Makefile
@@ -192,7 +192,7 @@ MULTIARCHOBJS = $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_NOSIMD.o) \
                        $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_AVX.o) \
                        $(MULTIARCHSRCS:%.c=$(OBJDIR)/%_AVX2.o)
 
-SUPPORTS_AVX512 :=  $(shell echo | gcc -E -mavx512f - &> /dev/null && echo "True" )
+SUPPORTS_AVX512 :=  $(shell echo | gcc -E -mavx512f - > /dev/null 2>&1 && echo "True" )
 HARD_SWITCH_NOSIMD = -mno-mmx -mno-sse2 -mno-avx -mno-avx2
 HARD_SWITCH_MMX = -mmmx -mno-sse2 -mno-avx -mno-avx2
 HARD_SWITCH_SSE2 = -mmmx -msse2 -mno-avx -mno-avx2