++++ dav1d-0.4.0/Makefile 2019-09-05 16:38:01.820636946 -0600
+@@ -0,0 +1,358 @@
++
++_ARCH := $(shell uname -m)
++ARCH_I32 := $(shell expr "x$(_ARCH)" : 'xi[346]86.*')
++ARCH_X64 := $(shell expr "x$(_ARCH)" : 'x..._64*')
++
++ifneq ($(ARCH_I32),0)
++ASM_ARCH := elf32
++ARCH_X86_32 := 1
++ARCH_X86_64 := 0
++endif
++ifneq ($(ARCH_X64),0)
++ASM_ARCH := elf64
++ARCH_X86_32 := 0
++ARCH_X86_64 := 1
++endif
++