Do not produce dSYM file for the iOS Frameworks with bitcode

tools-webrtc/ios/build_ios_libs.py

Index: tools-webrtc/ios/build_ios_libs.py
diff --git a/tools-webrtc/ios/build_ios_libs.py b/tools-webrtc/ios/build_ios_libs.py
index 25745e0351e58f9f4dfad52fb79f9a75a732e15f..7af47716c5eaf351783fbee3fa2f2119de11316c 100755
--- a/tools-webrtc/ios/build_ios_libs.py
+++ b/tools-webrtc/ios/build_ios_libs.py
@@ -110,7 +110,8 @@ def BuildWebRTC(output_dir, target_arch, flavor, build_type,
     gn_target_name = 'rtc_sdk_objc'
   elif build_type == 'framework':
     gn_target_name = 'rtc_sdk_framework_objc'
-    gn_args.append('enable_dsyms=true')
+    if not use_bitcode:
+      gn_args.append('enable_dsyms=true')
     gn_args.append('enable_stripping=true')
   else:
     raise ValueError('Build type "%s" is not supported.' % build_type)
@@ -177,31 +178,33 @@ def main():
     distutils.dir_util.copy_tree(
         os.path.join(lib_paths[0], SDK_FRAMEWORK_NAME),
         os.path.join(args.output_dir, SDK_FRAMEWORK_NAME))
-    try:
-      os.remove(os.path.join(args.output_dir, dylib_path))
-    except OSError:
-      pass
     logging.info('Merging framework slices.')
     dylib_paths = [os.path.join(path, dylib_path) for path in lib_paths]
     out_dylib_path = os.path.join(args.output_dir, dylib_path)
-    cmd = ['lipo'] + dylib_paths + ['-create', '-output', out_dylib_path]
-    _RunCommand(cmd)
-
-    # Merge the dSYM slices.
-    dsym_path = os.path.join('WebRTC.dSYM', 'Contents', 'Resources', 'DWARF',
-                             'WebRTC')
-    distutils.dir_util.copy_tree(os.path.join(lib_paths[0], 'WebRTC.dSYM'),
-                                 os.path.join(args.output_dir, 'WebRTC.dSYM'))
     try:
-      os.remove(os.path.join(args.output_dir, dsym_path))
+      os.remove(out_dylib_path)
     except OSError:
       pass
-    logging.info('Merging dSYM slices.')
-    dsym_paths = [os.path.join(path, dsym_path) for path in lib_paths]
-    out_dsym_path = os.path.join(args.output_dir, dsym_path)
-    cmd = ['lipo'] + dsym_paths + ['-create', '-output', out_dsym_path]
+    cmd = ['lipo'] + dylib_paths + ['-create', '-output', out_dylib_path]
     _RunCommand(cmd)
 
+    # Merge the dSYM slices.
+    lib_dsym_dir_path = os.path.join(lib_paths[0], 'WebRTC.dSYM')
+    if os.path.isdir(lib_dsym_dir_path):
+      distutils.dir_util.copy_tree(lib_dsym_dir_path,
+                                   os.path.join(args.output_dir, 'WebRTC.dSYM'))
+      logging.info('Merging dSYM slices.')
+      dsym_path = os.path.join('WebRTC.dSYM', 'Contents', 'Resources', 'DWARF',
+                               'WebRTC')
+      lib_dsym_paths = [os.path.join(path, dsym_path) for path in lib_paths]
+      out_dsym_path = os.path.join(args.output_dir, dsym_path)
+      try:
+        os.remove(out_dsym_path)
+      except OSError:
+        pass
+      cmd = ['lipo'] + lib_dsym_paths + ['-create', '-output', out_dsym_path]
+      _RunCommand(cmd)
+
     # Modify the version number.
     # Format should be <Branch cut MXX>.<Hotfix #>.<Rev #>.
     # e.g. 55.0.14986 means branch cut 55, no hotfixes, and revision 14986.