編譯生成Framwork

1.修改路徑webrtc/src/tools_webrtc/ios/build_ios_libs.py文件的cpu架構

DEFAULT_ARCHS = ENABLED_ARCHS = ['arm64','arm','x64','x86'] 復制代碼

• x64是模擬器，是mac電腦cpu
• arm64是64位cpu
• arm是32位cpu
• x86是對應i386

2.直接運行命令--bitcode是開啟bitcode功能，如果開啟會導致生成的freamwork非常的大。所以一般不增加,切換到目錄webrtc/src/tools_webrtc/ios

python build_ios_libs.py 復制代碼

3.最后輸出的WebRTC.framework在webrtc/src/out_ios_libs目錄下.

如果遇到只要部分cpu架構可以自己進行刪除控制。
Note: 如果你的freamwork只有armv7 和 arm64架構，但是在你上傳到App Store或者pod trunk 需要x86_64或i386 可以在工程配置Build Phase中的/bin/sh增加以以下腳本進行忽略。
遇到一個比較坑的問題在build_ios_libs.py有一行將x86架構移除，建議此處將它注釋掉，否則一直編譯不通過支持i386架構。

# Ignoring x86 except for static libraries for now because of a GN build issue# where the generated dynamic framework has the wrong architectures.if 'x86' in architectures and args.build_type != 'static_only':architectures.remove('x86') 復制代碼APP_PATH="${TARGET_BUILD_DIR}/${WRAPPER_NAME}"# This script loops through the frameworks embedded in the application and # removes unused architectures. find "$APP_PATH" -name '*.framework' -type d | while read -r FRAMEWORK doFRAMEWORK_EXECUTABLE_NAME=$(defaults read "$FRAMEWORK/Info.plist" CFBundleExecutable)FRAMEWORK_EXECUTABLE_PATH="$FRAMEWORK/$FRAMEWORK_EXECUTABLE_NAME"echo "Executable is $FRAMEWORK_EXECUTABLE_PATH"EXTRACTED_ARCHS=()for ARCH in $ARCHSdoecho "Extracting $ARCH from $FRAMEWORK_EXECUTABLE_NAME"lipo -extract "$ARCH" "$FRAMEWORK_EXECUTABLE_PATH" -o "$FRAMEWORK_EXECUTABLE_PATH-$ARCH"EXTRACTED_ARCHS+=("$FRAMEWORK_EXECUTABLE_PATH-$ARCH")doneecho "Merging extracted architectures: ${ARCHS}"lipo -o "$FRAMEWORK_EXECUTABLE_PATH-merged" -create "${EXTRACTED_ARCHS[@]}"rm "${EXTRACTED_ARCHS[@]}"echo "Replacing original executable with thinned version"rm "$FRAMEWORK_EXECUTABLE_PATH"mv "$FRAMEWORK_EXECUTABLE_PATH-merged" "$FRAMEWORK_EXECUTABLE_PATH"done 復制代碼

編譯模擬器和真機測試demo

1.使用gn配置生成支持 Ninja編譯的配置文件。（gn相關文檔地址）
gn需要配置的的主要變量有以下：

• target_os: 目標系統(tǒng)有：android, ios, mac，linux，chromeos，如：iOS設置為 target_os="ios"
• target_cpu: 目標cpu架構有：
• ios對應cpu有：arm,arm64,x64，x86
• android對應cpu有：arm64，x86(32位)，x64(64位)
• chromeos對應有：mips64el
• linux對應：x86，x64
• is_debug:是否是debug模式，默認是true

# debug build for 64-bit iOS gn gen out/ios_64 --args='target_os="ios" target_cpu="arm64" ios_code_signing_identity="80CEE5E27C9C771EAED8BDBB3C5D704DEA0C3A86"'# debug build for simulator gn gen out/ios_sim --args='target_os="ios" target_cpu="x64"' // 編譯debug的測試demo ninja -C out/ios_64 AppRTCMobilegn gen out/ios --args='target_os="ios" target_cpu="arm64" ios_code_signing_identity="80CEE5E27C9C771EAED8BDBB3C5D704DEA0C3A86"' --ide=xcode open -a Xcode.app out/ios/all.xcworkspace 復制代碼

轉載于:https://juejin.im/post/5c0f7c16f265da616d540880

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