commit 805078a1bf7c7194da47d5f5e7f9fed5bf734ca3
author James Zern <jzern@google.com> Sun Feb 23 16:33:14 2014 -0800
committer James Zern <jzern@google.com> Mon Mar 03 14:47:11 2014 -0800
tree 234a74aa1d93979b354710e5e07f0a8811844f50
parent 14be7ba6403aabca7a4c9a7858cde15dcd5c03bd

build: convert rtcd.sh to perl

significantly speeds up file generation.

the goal of this change is to convert rtcd.sh to perl as directly as
possible to allow for simple comparison. future changes can make it more
perl-like.

---
Linux
    [CREATE] vpx_scale_rtcd.h
real    0m0.485s ->    0m0.022s
    [CREATE] vp8_rtcd.h
real    0m4.619s ->    0m0.060s
    [CREATE] vp9_rtcd.h
real    0m10.102s ->    0m0.087s

Windows
    [CREATE] vpx_scale_rtcd.h
real    0m8.360s ->    0m0.080s
    [CREATE] vp8_rtcd.h
real    1m8.083s ->    0m0.160s
    [CREATE] vp9_rtcd.h
real    2m6.489s ->    0m0.233s

Change-Id: Idfb71188206c91237d6a3c3a81dfe00d103f11ee