Why Do We Need Gyp?

Why do we need gyp? • Gyp stands for “Generate your project” • Started from Xcode • Gyp was invented for Chromium • It is important that IDE is part of workflow • This is ALMOST json (comment are hashes) Gyp workflow ● Change gyp file ● Run glient sync ● Reload IDE Gyp files organization ● One gyp file per component ● Chrome and webkit are quite big - exception Gyp build directory ● build/all.gyp – whole configuration ● build/common.gypi – added to many files ● build/external_code.gypi – for third party ● build/linux/system.gyp - for linux ● build/win/system.gyp - for win ● chrome.gyp - main entry point gclient runhook —force What happens when I run “gclient runhook —force” ● For Windows 1) Each gyp файл generate sln 2) Each target generates vsproj ● For Mac 1) Each gyp generates .xcodeproj ● For Linux 1) generates scons files 2) Theoretically there is -f to build linux files on mac, windows and vise versa Gyp file content { ● 'targets': [ ● { ● # Note this library is missing an implementation for the video capture. ● # Targets must link with either 'video_capture_module_impl' or ● # 'video_capture_module_internal_impl' depending on whether they want to ● # use the internal capturer. ● 'target_name': 'video_capture_module', ● 'type': 'static_library', ● 'dependencies': [ ● 'webrtc_utility', ● '<(webrtc_root)/common_video/common_video.gyp:common_video', ● '<(webrtc_root)/system_wrappers/source/system_wrappers.gyp:system_wrappers', ● ], ● 'sources': [ ● 'device_info_impl.cc', ● 'device_info_impl.h', ● 'include/video_capture.h', ● 'include/video_capture_defines.h', ● 'include/video_capture_factory.h', ● 'video_capture_config.h', ● 'video_capture_delay.h', ● 'video_capture_factory.cc', ● 'video_capture_impl.cc', ● 'video_capture_impl.h', ● ], ● }, Gyp file content (2) Variables ● Used in condition blocks ● chromium_code=1 – addes additional checks ● Os variable is setted by gyp Includes ● Gyp includes ● You need to include build/common.gypi ● Includes overrides file options, so they should be in the begin Target_defaults ● Dictionary of settings ● Applied to all targets Targets ● Main part of gyp files ● Also set of dictionaries Skeleton of targets ● target_name – name of executable ● type - (executable, shared_library, static_library, …). None – is also possible (custom build rule) ● msvs_guid – temporary solution for VS ● Dependencies – dependencies for other targets ● sources – pathes to files Using gyp in Chromium ● By default we use ninja build system ● We can use Xcode as build system but this will be much slower. But this should work GYP_GENERATORS=xcode GYP_DEFINES=mac_sdk=10.8 ./build/gyp_chromium ● Much better example is use xcode as IDE and ninja for build GYP_GENERATORS=ninja,xcode-ninja GYP_DEFINES=mac_sdk=10.8 ./build/gyp_chromium ● After this you can open project open ./build/all.ninja.xcworkspace Gyp generators ● Using gyp we can generate various projects ● Full list can be seen here https://chromium.googlesource.com/external/gyp.git/+/master/pylib/gyp/generator/ ● For us, following is importrant 1) cmake.py - cmake 2) eclipse.py - eclipse 3) make.py - make 4) msvs.py - vs project 5) ninja.py - ninja project 6) xcode.py - xcode project ● But unit tests exists only for three options => another can be unstable 1) msvs 2) ninja 3) xcode Cmake ● Generates ./out/Debug/CMakeLists.txt ./out/Release/CMakeLists.txt Eclipse ● Creates ./out/Debug/eclipse-cdt-settings.xml ./out/Release/eclipse-cdt-settings.xml ● And later you need File - Import - C/C++ project settings Make ● non-recursive make ● Currenty turned off in Chromium Msvs ● Generates ./build/all.sln Ninja ● Generates ./out/Debug/build.ninja ./out/Release/build.ninja Xcode ● Generates ./build/all.ninja.xcworkspace .

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** OPEN SOURCE LIBRARIES USED in Tv.Verizon.Com/Watch
** OPEN SOURCE LIBRARIES USED IN tv.verizon.com/watch ------------------------------------------------------------ 02/27/2019 tv.verizon.com/watch uses Node.js 6.4 on the server side and React.js on the client- side. Both are Javascript frameworks. Below are the licenses and a list of the JS libraries being used. ** NODE.JS 6.4 ------------------------------------------------------------ https://github.com/nodejs/node/blob/master/LICENSE Node.js is licensed for use as follows: """ Copyright Node.js contributors. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. """ This license applies to parts of Node.js originating from the https://github.com/joyent/node repository: """ Copyright Joyent, Inc. and other Node contributors.
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