Patch to build tachyon on aarch64 (#46)

build/pkgs/tachyon/patches/Make-arch.patch

@@ -0,0 +1,30 @@
+diff --git a/unix/Make-arch b/unix/Make-arch
+index 08afb85..dbeb691 100644
+--- a/unix/Make-arch
++++ b/unix/Make-arch
+@@ -1471,6 +1471,25 @@
+ 	"RANLIB = ranlib" \
+ 	"LIBS = -L. -ltachyon $(MISCLIB) -lm -lpthread"
+
++# Linux Arm using gcc
++linux-arm:
++	$(MAKE) all \
++	"ARCH = linux-arm" \
++	"CFLAGS = -Wall -O3 -fomit-frame-pointer -ffast-math -DLinux $(MISCFLAGS)" \
++	"ARFLAGS = r" \
++	"STRIP = strip" \
++	"RANLIB = ranlib" \
++	"LIBS = -L. -ltachyon $(MISCLIB) -lm -lpthread"
++
++# Linux Arm using gcc, with threads
++linux-arm-thr:
++	$(MAKE) all \
++	"ARCH = linux-arm-thr" \
++	"CFLAGS = -Wall -O3 -fomit-frame-pointer -ffast-math -DLinux -DTHR -D_REENTRANT $(MISCFLAGS)" \
++	"ARFLAGS = r" \
++	"STRIP = strip" \
++	"LIBS = -L. -ltachyon $(MISCLIB) -lm -lpthread"
++
+ # Linux x86 using gcc, threads, and OpenGL
+ linux-thr-ogl:
+ 	$(MAKE) all \