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Apr 11, 2020 Original post. Go creates static binaries by default unless you use cgo to call C code, in which case it will create a dynamically linked library. Turns out that using cgo is more common that many people assume as the os/user and net packages use cgo by default, so importing either (directly or indirectly) will result in a non-static binary. Jun 28, 2020 The mkbundle program is used to build certificate pool bundles. The cfssljson program, which takes the JSON output from the cfssl and multirootca programs and writes certificates, keys, CSRs, and bundles to disk. Install CloudFlare CFSSL on Linux macOS. There are two standard installation methods that can be used for Linux and macOS.

vcpkg is a command-line package manager for C++. It greatly simplifies the acquisition and installation of third-party libraries on Windows, Linux, and macOS. If your project uses third-party libraries, we recommend that you use vcpkg to install them. vcpkg supports both open-source and proprietary libraries. All libraries in the vcpkg Windows catalog have been tested for compatibility with Visual Studio 2015, Visual Studio 2017, and Visual Studio 2019. Between the Windows and Linux/macOS catalogs, vcpkg now supports over 1900 libraries. The C++ community is adding more libraries to both catalogs on an ongoing basis.

Jun 12, 2020  Linux Mint 19: How to Install Go (Golang) on Linux Mint 19. For RHEL 8 / CentOS 8: How to Install Go on RHEL 8. Installing Go (Golang) on CentOS 7. We have two options to install latest Go on CentOS 7. Method 1: Using Go repository ( For CentOS 7 only) We will use a Go repository to ensure we are getting the latest release without having to. Dec 02, 2013  First, you need to use the gcc that comes with Xcode. See how to install and use Xcode on Apple Mac OS X for more information. Installing Golang on Mac OS X. Google provides the package file for OS X. All you have to do is visit this page and grab the latest version. Once downloaded, open it, and follow the prompts to install the Go tools. Build from source¶ If you’re familiar with Golang or if you want to contribute to the project, you will probably build the arduino-cli locally with your Go toolchain. Please refer to the contributing document for setup instructions.

Simple yet flexible

With a single command, you can download sources and build a library. vcpkg is itself an open-source project, available on GitHub. It's possible to customize your private vcpkg clones in any way you like. For example, specify different libraries, or different versions of libraries than the ones found in the public catalog. You can have multiple clones of vcpkg on a single machine. Each one may be set to produce a custom collection of libraries, with your preferred compilation switches. Each clone is a self-contained environment with its own copy of vcpkg.exe that operates only on its own hierarchy. vcpkg isn't added to any environment variables, and has no dependency on the Windows Registry or Visual Studio.

Sources, not binaries

For libraries in the Windows catalog, vcpkg downloads sources instead of binaries1. It compiles those sources using the most recent version of Visual Studio that it can find. In C++, it's important that both your application code and any libraries you use are compiled by the same compiler, and compiler version. By using vcpkg, you eliminate or at least greatly reduce the potential for mismatched binaries and the problems they can cause. In teams that are standardized on a specific version of a compiler, one team member can use vcpkg to download sources and compile a set of binaries. Then they can use the export command to zip up the binaries and headers for other team members. For more information, see Export compiled binaries and headers below.

You can also create a vcpkg clone that has private libraries in the ports collection. Add a port that downloads your prebuilt binaries and headers. Then, write a portfile.cmake file that simply copies those files to the preferred location.

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1Note: sources are unavailable for some proprietary libraries. In these cases, vcpkg downloads compatible prebuilt binaries.


Clone the vcpkg repo from GitHub: https://github.com/Microsoft/vcpkg. You can download to any folder location you prefer. This location is the vcpkg root. Once the download is complete, change to that directory in your command shell.

In the vcpkg root directory, run the vcpkg bootstrapper:

  • bootstrap-vcpkg.bat (Windows)
  • ./bootstrap-vcpkg.sh (Linux, macOS)

On Linux or macOS, you may need to prefix vcpkg commands by using ./ in the examples that follow. Remember to run these commands from the vcpkg root directory.

Search the list of available libraries

To see what packages are available, type vcpkg search at the command prompt.

This command enumerates the control files in the vcpkg/ports subfolders. You'll see a listing like this:

You can filter on a pattern, for example vcpkg search ta:

Install a library on your local machine

After you get the name of a library by using vcpkg search, you use vcpkg install to download the library and compile it. vcpkg uses the library's portfile in the ports directory. If a triplet isn't specified, vcpkg installs and compiles for the default triplet for the target platform: x86-windows, x64-linux.cmake, or x64-osx.cmake.

For Linux libraries, vcpkg depends on gcc being installed on the local machine. On macOS, vcpkg uses Clang.

When the portfile specifies dependencies, vcpkg downloads and installs them too. After downloading, vcpkg builds the library by using the same build system the library uses. CMake and (on Windows) MSBuild projects are preferred, but MAKE is supported along with any other build system. If vcpkg can't find the specified build system on the local machine, it downloads and installs it.

For CMake projects, use CMAKE_TOOLCHAIN_FILE to make libraries available with find_package(). For example, on Linux or macOS:

On Windows:

Some libraries include installable options. For example, when you search for the curl library, you'll also see a list of supported options in square brackets:

In this case, the square brackets [ and ] are literals, not metacharacters.

You can specify a specific option to install on the command line. For example, to install libraries for curl using the default SSL backend for Windows, use the vcpkg install curl[ssl]:x86-windows command. The command installs any required prerequisites, including the core library, if needed:

List the libraries already installed

After you've installed some libraries, you can use vcpkg list to see what you have:

Integrate with Visual Studio (Windows)


Run vcpkg integrate install to configure Visual Studio to locate all vcpkg header files and binaries on a per-user basis. There's no need for manual editing of VC++ Directories paths. If you have multiple clones of vcpkg, the clone you run this command from becomes the new default location.

Now you can #include headers simply by typing the folder/header, and autocomplete assists you. No additional steps are required for linking to libs or adding project references. The following illustration shows how Visual Studio finds the azure-storage-cpp headers. vcpkg places its headers in the /installed subfolder, partitioned by target platform. The following diagram shows the list of include files in the /was subfolder for the library:

Per project

If you need to use a specific version of a library that's different from the version in your active vcpkg instance, follow these steps:

  1. Make a new clone of vcpkg
  2. Modify the portfile for the library to obtain the version you need
  3. Run vcpkg install <library>.
  4. Use vcpkg integrate project to create a NuGet package that references that library on a per-project basis.

Integrate with Visual Studio Code (Linux/macOS)

Run vcpkg integrate install to configure Visual Studio Code on Linux/macOS. This command sets the location of the vcpkg enlistment and enables IntelliSense on source files.

Target Linux from Windows via WSL

You can produce Linux binaries on a Windows machine by using the Windows Subsystem for Linux, or WSL. Follow the instructions to Set up WSL on Windows 10. Then, configure it with the Visual Studio extension for Linux. It's okay to put all your built libraries for Windows and Linux into the same folder. They're accessible from both Windows and WSL.

Export compiled binaries and headers

It's inefficient to make everyone on a team download and build common libraries. A single team member can use the vcpkg export command to create a common zip file of the binaries and headers, or a NuGet package. Then, it's easy to share it with other team members.

Update/upgrade installed libraries

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The public catalog is kept up to date with the latest versions of the libraries. To determine which of your local libraries are out-of-date, use vcpkg update. When you're ready to update your ports collection to the latest version of the public catalog, run the vcpkg upgrade command. It automatically downloads and rebuilds any or all of your installed libraries that are out of date.

By default, the vcpkg upgrade command only lists the libraries that are out of date; it doesn't upgrade them. To actually upgrade the libraries, use the --no-dry-run option.

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Upgrade Options

  • --no-dry-run Perform the upgrade; when not specified, the command only lists the out-of-date packages.
  • --keep-going Continue installing packages even if one fails.
  • --triplet <t> Set the default triplet for unqualified packages.
  • --vcpkg-root <path> Specify the vcpkg directory to use instead of current directory or tool directory.

Upgrade example

The following example shows how to upgrade only specified libraries. vcpkg automatically pulls in dependencies as necessary.

Contribute new libraries

You can include any libraries you like in your private ports collection. To suggest a new library for the public catalog, open an issue on the GitHub vcpkg issue page.

Remove a library

Type vcpkg remove to remove an installed library. If any other libraries depend on it, you're asked to rerun the command with --recurse, which causes all downstream libraries to be removed.

Customize vcpkg

You can modify your clone of vcpkg in any way you like. You can even create multiple vcpkg clones, then modify the portfiles in each one. That's a simple way to obtain specific library versions, or to specify particular command-line parameters. For example, individual groups of developers in an enterprise might work on software that has dependencies specific to their group. The solution is to set up a clone of vcpkg for each team. Then, modify the clones to download the library versions and set the compilation switches that each team needs.

Update vcpkg

The vcpkg package manager is updated regularly on GitHub. To update your clone of vcpkg to the latest version, from the vcpkg root directory, run git pull. This command syncs your copy of vcpkg with the version on GitHub. After download is complete, run the bootstrapper again. The bootstrapper rebuilds the vcpkg program, but leaves your installed libraries in place.

Uninstall vcpkg

To uninstall vcpkg, just delete the vcpkg directory. Deleting this directory uninstalls the vcpkg distribution, and all the libraries that vcpkg has installed.

Send feedback about vcpkg

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Use the vcpkg contact --surveyTune shop prairie village. command to send feedback to Microsoft about vcpkg, including bug reports and suggestions for features.

The vcpkg folder hierarchy

All vcpkg functionality and data is self-contained in a single directory hierarchy, called an 'instance'. There are no registry settings or environment variables. You can have any number of instances of vcpkg on a machine, and they won't interfere with each other.

The contents of a vcpkg instance are:

  • buildtrees - contains subfolders of sources from which each library is built
  • docs - documentation and examples
  • downloads - cached copies of any downloaded tools or sources. vcpkg searches here first when you run the install command.
  • installed - Contains the headers and binaries for each installed library. When you integrate with Visual Studio, you're essentially telling it add this folder to its search paths.
  • packages - Internal folder for staging between installs.
  • ports - Files that describe each library in the catalog, its version, and where to download it. You can add your own ports if needed.
  • scripts - Scripts (CMake, PowerShell) used by vcpkg.
  • toolsrc - C++ source code for vcpkg and related components
  • triplets - Contains the settings for each supported target platform (for example, x86-windows or x64-uwp).

Command-line reference

vcpkg search [pat]Search for packages available to install
vcpkg install <pkg>..Install a package
vcpkg remove <pkg>..Uninstall a package
vcpkg remove --outdatedUninstall all out-of-date packages
vcpkg listList installed packages
vcpkg updateDisplay list of packages for updating
vcpkg upgradeRebuild all outdated packages
vcpkg hash <file> [alg]Hash a file by specific algorithm, default SHA512
vcpkg integrate installMake installed packages available user-wide. Requires admin privileges on first use
vcpkg integrate removeRemove user-wide integration
vcpkg integrate projectGenerate a referencing NuGet package for individual VS project use
vcpkg export <pkg>.. [opt]..Export a package
vcpkg edit <pkg>Open up a port for editing (uses %EDITOR%, default 'code')
vcpkg create <pkg> <url> [archivename]Create a new package
vcpkg cacheList cached compiled packages
vcpkg versionDisplay version information
vcpkg contact --surveyDisplay contact information to send feedback.


--triplet <t>Specify the target architecture triplet. (default: %VCPKG_DEFAULT_TRIPLET%, see also vcpkg help triplet)
--vcpkg-root <path>Specify the vcpkg root directory (default: %VCPKG_ROOT%)

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What is Go?Go or Golang is a programming language created by Google in 2009 by Robert Griesemer, Rob Pike, and Ken Thompson.

Go language is designed for building simple, fast and reliable software.

In this tutorial i’ll show how to install Go on MacOS, Ubuntu, CentOS and how to create a simple “Hello world!” program on Golang.

Install Go on MacOS, Ubuntu, CentOS

Download an archive with the latest version of Golang for your platform from the official download page (the current version of Go is 1.11.3).

Extract the tar archive files into /usr/local (default Go installation directory):

Configure GoLang Environment

For a system-wide installation of Go it needs to add the following line at the bottom of /etc/profile file:

To specify a workspace (location where you store your Go code) it needs to set Go environment variable GOPATH

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By default, GOPATH is $HOME/go, but you can change it to any location you want (except Go installation directory).

I also recommend to set GOBIN environment variable that specifies location where to install compiled Go programs and add it to PATH.

Set GOPATH, GOBIN and PATH environment variables by adding the following lines at the bottom of your $HOME/.profile file:

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Refresh profile:

Verify Golang installation by checking the Go version and environment:

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GoLang: Hello World! – Example

Create $GOPATH/src directory:

Create $GOPATH/src/hello.go file with the following contents:

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Run go install to compile and install our “Hello World!” program on Go:

Execute hello to run the program:

If the program returns “Hello World!”, then Go is successfully installed and functional.