--- sv7.old/Makefile
+++ sv7/Makefile
@@ -35,9 +35,9 @@
 # Select architecture and CPU type with the variable $(ARCH).
 # If unset Intel 386 with optimization for Pentium is selected.
 
-ifndef ARCH
-ARCH     = -march=i586 -m$(TUNE)=i686
-endif
+#ifndef ARCH
+#ARCH     = -march=i586 -m$(TUNE)=i686
+#endif
 
 ifdef MINGW
 EXEEXT   = .exe
@@ -164,7 +164,7 @@
 	-mno-ieee-fp -ffast-math -pipe
 
 ifneq ($(CC_MAJ),4)
-FLAGS += -fmove-all-movables
+FLAGS +=
 endif
 ifeq ($(CC_MAJ),2)
 FLAGS += -malign-jumps=5 -malign-loops=0 -malign-functions=5
@@ -224,7 +224,7 @@
 
 NASM          = nasm
 ifndef MINGW
-NASMFLAGS     = -f elf
+NASMFLAGS     = -f elf64
 else
 NASMFLAGS     = -f win32
 endif
--- sv7.old/Makefile.bsd
+++ sv7/Makefile.bsd
@@ -10,7 +10,7 @@
 #LDADD  += -lossaudio
 
 include version
-OPTIM    = -O3 -march=pentiumpro -ffast-math -s
+OPTIM    = -O3 -ffast-math -s
 
 WARN     =