cronet.dart

Resource package for cronet

Build cronet

Accoding to https://chromiumdash.appspot.com/releases, major verion of 86 is the best choice of recent stable releases

Prepare environment

Windows

https://chromium.googlesource.com/chromium/src/+/master/docs/windows_build_instructions.md

• Install VS 2019 (Community)
• Install Desktop Development with C++ Workload
  • Check C++ ATL for latest v142 build tools
  • Check C++ MFC for latest v142 build tools
• Set vs2019 or GYP_MSVS_OVERRIDE_PATH
• Install depot_tools
• Install python27

macOS

https://chromium.googlesource.com/chromium/src/+/master/docs/mac_build_instructions.md

• Install Xcode 12.2+
• Install depot_tools

iOS

https://chromium.googlesource.com/chromium/src/+/master/docs/ios/build_instructions.md

iOS should only be built on macOS

• Install Xcode 12.2+
• Install depot_tools

Linux

https://chromium.googlesource.com/chromium/src/+/master/docs/linux/build_instructions.md

• Install depot_tools

After fetch code, run ./build/install-build-deps.sh

Android

https://chromium.googlesource.com/chromium/src/+/master/docs/android_build_instructions.md

• Install depot_tools

After fetch code, run ./build/install-build-deps-android.sh

Fetch code

Windows

mkdir chromium && cd chromium
fetch --nohooks --no-history chromium
gclient runhooks # for the first time
cd src && git fetch origin +refs/tags/86.0.4240.93:branch_86.0.4240.93 --depth 1
git checkout -b branch_86.0.4240.93
cd .. && gclient sync -D -f --no-history

macOS

mkdir chromium && cd chromium
fetch --nohooks --no-history chromium
gclient runhooks # for the first time
cd src && git fetch origin +refs/tags/86.0.4240.93:branch_86.0.4240.93 --depth 1
git checkout -b branch_86.0.4240.93
cd .. && gclient sync -D -f --no-history

iOS

mkdir chromium-ios && cd chromium-ios
fetch --nohooks --no-history ios
gclient runhooks # for the first time
cd src && git fetch origin +refs/tags/86.0.4240.93:branch_86.0.4240.93 --depth 1
git checkout -b branch_86.0.4240.93
cd .. && gclient sync -D -f --no-history

Linux

mkdir chromium && cd chromium
fetch --nohooks --no-history chromium
cd src && ./build/install-build-deps.sh # for the first time
gclient runhooks # for the first time
cd src && git fetch origin +refs/tags/86.0.4240.93:branch_86.0.4240.93 --depth 1
git checkout -b branch_86.0.4240.93
cd .. && gclient sync -D -f --no-history

Android

mkdir chromium-android && cd chromium-android
fetch --nohooks --no-history android
cd src && ./build/install-build-deps-android.sh # for the first time
gclient runhooks # for the first time
cd src && git fetch origin +refs/tags/86.0.4240.93:branch_86.0.4240.93 --depth 1
git checkout -b branch_86.0.4240.93
cd .. && gclient sync -D -f --no-history

Setting up and build

Windows

Default target_cpu is x64

cd src
gn args out\stable86_Release_Single_Cronet
# Add & save below lines
#  is_debug = false
#  is_component_build =false
ninja -C out\stable86_Release_Single_Cronet cronet_package
# out\stable86_Release_Single_Cronet\cronet\cronet.86.0.4240.198.dll
gn args out\stable86_Release_Single_Cronet --list --short --overridesonly > stable86_Release_Single_Cronet.overrides.log

macOS

Default target_cpu is x64

cd src
gn args out/stable86_Release_Single_Cronet
# Add & save below lines
#  is_debug = false
#  is_component_build =false
ninja -C out/stable86_Release_Single_Cronet cronet_package
# out/stable86_Release_Single_Cronet/cronet/libcronet.86.0.4240.198.dylib
gn args out/stable86_Release_Single_Cronet --list --short --overridesonly > stable86_Release_Single_Cronet.overrides.log

CAUTION

id may not be compatible with your detination application/library

$ otool -D libcronet.86.0.4240.198.dylib
cronet/macos/libcronet.86.0.4240.198.dylib:
@executable_path/libcronet.86.0.4240.198.dylib

Change id with install_name_tool

install_name_tool -id @rpath/libcronet.86.0.4240.198.dylib libcronet.86.0.4240.198.dylib

iOS

https://chromium.googlesource.com/chromium/src/+/master/components/cronet/build_instructions.md

Default target_cpu is x64

cd src
./components/cronet/tools/cr_cronet.py gn --out_dir=out/stable86_Release_Cronet
ninja -C out/stable86_Release_Cronet cronet_package
# out/stable86_Release_Cronet/cronet/Static/Cronet.framework
gn args out/stable86_Release_Cronet --list --short --overridesonly > stable86_Release_Cronet.overrides.log

After ./components/cronet/tools/cr_cronet.py gn --out_dir=out/stable86_Release_Cronet_arm64, use gn args out/stable86_Release_Cronet_arm64 to add target_cpu = "arm64", to generate arm64 for iphoneos instead of iphonesimulator

Linux

Default target_cpu is x64

cd src
gn args out/stable86_Release_Single_Cronet
# Add & save below lines
#  is_debug = false
#  is_component_build =false
ninja -C out/stable86_Release_Single_Cronet cronet_package
# out/stable86_Release_Single_Cronet/cronet/libcronet.86.0.4240.198.so
gn args out/stable86_Release_Single_Cronet --list --short --overridesonly > stable86_Release_Single_Cronet.overrides.log

Android

https://chromium.googlesource.com/chromium/src/+/master/components/cronet/build_instructions.md

Default target_cpu is arm

cd src
./components/cronet/tools/cr_cronet.py gn --out_dir=out/stable86_Release_Cronet
ninja -C out/stable86_Release_Cronet cronet_package
# out/stable86_Release_Cronet/cronet/libs/armabi-v7a/libcronet.86.0.4240.198.so
gn args out/stable86_Release_Cronet --list --short --overridesonly > stable86_Release_Cronet.overrides.log

After ./components/cronet/tools/cr_cronet.py gn --out_dir=out/stable86_Release_Cronet_arm64, add target_cpu = "arm64", to generate out/stable86_Release_Cronet/cronet/libs/arm64-v8a/libcronet.86.0.4240.198.so

After ./components/cronet/tools/cr_cronet.py gn --out_dir=out/stable86_Release_Cronet_x86, add target_cpu = "x86" and remove arm_use_neon = false, to generate out/stable86_Release_Cronet/cronet/libs/x86/libcronet.86.0.4240.198.so

After ./components/cronet/tools/cr_cronet.py gn --out_dir=out/stable86_Release_Cronet_x64, add target_cpu = "x64" and remove arm_use_neon = false, to generate out/stable86_Release_Cronet/cronet/libs/x86_64/libcronet.86.0.4240.198.so