Add CONFIG_MOTION_VAR support to the cmake build.

BUG=https://bugs.chromium.org/p/aomedia/issues/detail?id=76

Change-Id: I196e343c25e31caffc214f609e5a2f7703b1202e

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8eef2c3..0460169 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -422,9 +422,7 @@
 set(AOM_DSP_INTRIN_SSE4_1
     "${AOM_ROOT}/aom_dsp/x86/blend_a64_hmask_sse4.c"
     "${AOM_ROOT}/aom_dsp/x86/blend_a64_mask_sse4.c"
-    "${AOM_ROOT}/aom_dsp/x86/blend_a64_vmask_sse4.c"
-    "${AOM_ROOT}/aom_dsp/x86/obmc_sad_sse4.c"
-    "${AOM_ROOT}/aom_dsp/x86/obmc_variance_sse4.c")
+    "${AOM_ROOT}/aom_dsp/x86/blend_a64_vmask_sse4.c")
 set(AOM_DSP_AVX_ASM "${AOM_ROOT}/aom_dsp/x86/quantize_avx_x86_64.asm")
 set(AOM_DSP_AVX2_INTRIN
     "${AOM_ROOT}/aom_dsp/x86/aom_subpixel_8t_intrin_avx2.c"
@@ -553,9 +551,6 @@
     "${AOM_ROOT}/test/lpf_8_test.cc"
     "${AOM_ROOT}/test/md5_helper.h"
     "${AOM_ROOT}/test/minmax_test.cc"
-    # requires CONFIG_MOTION_VAR
-    #"${AOM_ROOT}/test/obmc_sad_test.cc"
-    #"${AOM_ROOT}/test/obmc_variance_test.cc"
     "${AOM_ROOT}/test/partial_idct_test.cc"
     # omitted from tests.mk, includes vp8 file.
     #"${AOM_ROOT}/test/quantize_test.cc"
@@ -689,6 +684,17 @@
       "${AOM_ROOT}/av1/encoder/blockiness.c")
 endif ()
 
+if (CONFIG_MOTION_VAR AND HAVE_SSE4_1)
+  set(AOM_DSP_INTRIN_SSE4_1
+      ${AOM_DSP_INTRIN_SSE4_1}
+      "${AOM_ROOT}/aom_dsp/x86/obmc_sad_sse4.c"
+      "${AOM_ROOT}/aom_dsp/x86/obmc_variance_sse4.c")
+  set(AOM_UNIT_TEST_SOURCES
+      ${AOM_UNIT_TEST_SOURCES}
+      "${AOM_ROOT}/test/obmc_sad_test.cc"
+      "${AOM_ROOT}/test/obmc_variance_test.cc")
+endif ()
+
 if (CONFIG_AOM_HIGHBITDEPTH)
   set(AOM_DSP_ASM_SSE2
       ${AOM_DSP_ASM_SSE2}

build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake

diff --git a/build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake b/build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake
index 22e9da7..c02a6c5 100644
--- a/build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake
+++ b/build/cmake/targets/rtcd_templates/x86_64.rtcd.cmake
@@ -37,3 +37,4 @@
 CONFIG_CLPF=${RTCD_CONFIG_CLPF}
 CONFIG_EXT_INTER=${RTCD_CONFIG_EXT_INTER}
 CONFIG_INTERNAL_STATS=${RTCD_CONFIG_INTERNAL_STATS}
+CONFIG_MOTION_VAR=${RTCD_CONFIG_MOTION_VAR}

build/cmake/targets/x86_64.cmake

diff --git a/build/cmake/targets/x86_64.cmake b/build/cmake/targets/x86_64.cmake
index c8b1d0e..49a3f85 100644
--- a/build/cmake/targets/x86_64.cmake
+++ b/build/cmake/targets/x86_64.cmake
@@ -62,3 +62,6 @@
 if (CONFIG_INTERNAL_STATS)
   set(RTCD_CONFIG_INTERNAL_STATS "yes")
 endif ()
+if (CONFIG_MOTION_VAR AND HAVE_SSE4_1)
+  set(RTCD_CONFIG_MOTION_VAR "yes")
+endif ()