Update aom to commit id e87fb2378f01103d5d6e477a4ef6892dc714e614

third_party/aom/build/cmake/aom_optimization.cmake

@@ -238,4 +238,27 @@ function (test_nasm)
   endif ()
 endfunction ()
 
+# Adds build command for generation of rtcd C source files using
+# build/make/rtcd.pl. $config is the input perl file, $output is the output C
+# include file, $source is the C source file, and $symbol is used for the symbol
+# argument passed to rtcd.pl.
+function (add_rtcd_build_step config output source symbol)
+  add_custom_command(
+    OUTPUT ${output}
+    COMMAND ${PERL_EXECUTABLE}
+    ARGS "${AOM_ROOT}/build/make/rtcd.pl"
+      --arch=${AOM_TARGET_CPU}
+      --sym=${symbol}
+      ${AOM_RTCD_FLAGS}
+      --config=${AOM_CONFIG_DIR}/${AOM_TARGET_CPU}_rtcd_config.rtcd
+      ${config}
+      > ${output}
+    DEPENDS ${config}
+    COMMENT "Generating ${output}"
+    WORKING_DIRECTORY ${AOM_CONFIG_DIR}
+    VERBATIM)
+  set_property(SOURCE ${source} PROPERTY OBJECT_DEPENDS ${output})
+  set_property(SOURCE ${output} PROPERTY GENERATED)
+endfunction ()
+
 endif ()  # AOM_BUILD_CMAKE_AOM_OPTIMIZATION_CMAKE_