ios: automagically download a bitcode WebRTC build if needed

ios/scripts/bitcode.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# This script will download a bitcode build of the WebRTC framework, if needed.
+
+if [[ ! "$CONFIGURATION" = "Debug" ]]; then
+    RN_WEBRTC="$SRCROOT/../../node_modules/react-native-webrtc"
+
+    if otool -arch arm64 -l $RN_WEBRTC/ios/WebRTC.framework/WebRTC | grep -q LLVM; then
+        echo "WebRTC framework has bitcode"
+    else
+        echo "WebRTC framework has NO bitcode"
+        $RN_WEBRTC/tools/downloadBitcode.sh
+    fi
+fi
+

ios/sdk/sdk.xcodeproj/project.pbxproj

@@ -270,6 +270,7 @@
 			buildConfigurationList = 0BD906ED1EC0C00300C8C18E /* Build configuration list for PBXNativeTarget "JitsiMeet" */;
 			buildPhases = (
 				26796D8589142D80C8AFDA51 /* [CP] Check Pods Manifest.lock */,
+				DE3D81D6228B50FB00A6C149 /* Bitcode */,
 				0BD906E01EC0C00300C8C18E /* Sources */,
 				0BD906E11EC0C00300C8C18E /* Frameworks */,
 				0BD906E21EC0C00300C8C18E /* Headers */,
@@ -450,6 +451,24 @@
 			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-JitsiMeet/Pods-JitsiMeet-resources.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
+		DE3D81D6228B50FB00A6C149 /* Bitcode */ = {
+			isa = PBXShellScriptBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = Bitcode;
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "../scripts/bitcode.sh\n";
+		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */