Moving asm code out of common_audio_c sources list

webrtc/common_audio/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/arm.gni")
 import("../webrtc.gni")
@@ skipping 85 matching lines @@
   if (!build_with_chromium && is_clang) {
     # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
     suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
   }
 
   if (current_cpu == "x86" || current_cpu == "x64") {
     deps += [ ":common_audio_sse2" ]
   }
 }
 
+rtc_source_set("common_audio_c_arm_asm") {
+  visibility = [ ":*" ]  # Only targets in this file can depend on this.
+  sources = []
+  if (current_cpu == "arm") {
+    sources += [
+      "signal_processing/complex_bit_reverse_arm.S",
+      "signal_processing/spl_sqrt_floor_arm.S",
+    ]
+
+    if (arm_version >= 7) {
+      sources += [ "signal_processing/filter_ar_fast_q12_armv7.S" ]
+    } else {
+      sources += [ "signal_processing/filter_ar_fast_q12.c" ]
+    }
+  }
+}
+
 rtc_source_set("common_audio_c") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
   sources = [
     "fft4g.c",
     "fft4g.h",
     "ring_buffer.c",
     "ring_buffer.h",
     "signal_processing/auto_corr_to_refl_coef.c",
     "signal_processing/auto_correlation.c",
     "signal_processing/complex_fft_tables.h",
@@ skipping 33 matching lines @@
     "vad/vad_core.h",
     "vad/vad_filterbank.c",
     "vad/vad_filterbank.h",
     "vad/vad_gmm.c",
     "vad/vad_gmm.h",
     "vad/vad_sp.c",
     "vad/vad_sp.h",
     "vad/webrtc_vad.c",
   ]
 
-  if (current_cpu == "arm") {
-    sources += [
-      "signal_processing/complex_bit_reverse_arm.S",
-      "signal_processing/spl_sqrt_floor_arm.S",
-    ]
-
-    if (arm_version >= 7) {
-      sources += [ "signal_processing/filter_ar_fast_q12_armv7.S" ]
-    } else {
-      sources += [ "signal_processing/filter_ar_fast_q12.c" ]
-    }
-  }
-
   if (current_cpu == "mipsel") {
     sources += [
       "signal_processing/complex_bit_reverse_mips.c",
       "signal_processing/complex_fft_mips.c",
       "signal_processing/cross_correlation_mips.c",
       "signal_processing/downsample_fast_mips.c",
       "signal_processing/filter_ar_fast_q12_mips.c",
       "signal_processing/include/spl_inl_mips.h",
       "signal_processing/min_max_operations_mips.c",
       "signal_processing/resample_by_2_mips.c",
@@ skipping 13 matching lines @@
       "signal_processing/spl_sqrt_floor.c",
     ]
   }
 
   if (is_win) {
     cflags = [ "/wd4334" ]  # Ignore warning on shift operator promotion.
   }
 
   public_configs = [ ":common_audio_config" ]
   deps = [
+    ":common_audio_c_arm_asm",
     ":common_audio_cc",
     "..:webrtc_common",
     "../base:compile_assert_c",
     "../base:rtc_base_approved",
     "../system_wrappers:system_wrappers",
   ]
 }
 
 rtc_source_set("common_audio_cc") {
   visibility = [ ":*" ]  # Only targets in this file can depend on this.
@@ skipping 189 matching lines @@
       "//testing/gtest",
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
 
       shard_timeout = 900
     }
   }
 }