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INSTALL-Windows.md

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Windows Installation Instructions

Make sure you have a 64 bit version of Windows

Download and install Visual Studio 2022 (for Visual C++) ; the Community Edition is free and fully functional.

Configure Git

Some functionality depends on Linux file endings, as such you need to configure git with:

[core]
        eol = lf
        autocrlf = input

NB: if you change this setting in an existing working folder, you need to reset it to have the proper line ending. This can be done with the following sequence:

git checkout-index --force --all
git rm --cached -r .
git reset --hard

Download and install rust

Easiest is to use rustup, found on rust-lang.org.

Install the x64 MSVC toolchain (stable-x86_64-pc-windows-msvc), and make sure that rustc.exe is in your PATH.

Download and install PostgreSQL

Note: if you do not want to use postgres you can select DebugNoPostgres as the build target.

Get version 15 from https://www.enterprisedb.com/download-postgresql-binaries

The default project file defines USE_POSTGRES and links against it.

  • Pick a directory for the database
  • Set an admin password for the database
  • Accept the default port (5432)
  • Accept default for the locale (not clear if anything depends on this. The default locale will presumably depend on your operating system's setting might cause inconsistencies)
  • Add c:\Program Files\PostgreSQL\15\lib to your PATH (else the binary will fail to start, not finding libpq.dll)
  • If you install postgres in a different folder, you will have to update the project file in two places:
    • "additional include locations" and
    • "Linker input"

If the installation fails, look into %TEMP%\install-postgresql.log for hints.

Building xdrc

In order to compile xdrc and run the binary you will need to either

  • Download and install MinGW from http://sourceforge.net/projects/mingw/files/

    • In the MinGW Installation Manager in MSYS/MinGW Developer Toolkit select the following packages:
      • Flex
      • Bison
      • gcc
      • sed
      • perl
      • curl
    • Add C:\MinGW\msys\1.0\bin;C:\MinGW\bin to the end of %PATH%

  • Download and install cygwin 64 bit build from https://cygwin.com/install.html

    • Get cygwin setup to install
      • Flex
      • Bison
      • curl (command line)
      • gcc-core
      • sed
      • perl
    • Add c:\cygwin64\bin to the end of %PATH% (at least for Visual Studio)

    Note: if you're going to use 'cp'and 'mkdir' from cygwin (tests do), make sure that your install is correct by trying to copy a file from a cmd.exe console (not from a cygwin terminal). cp in.txt out.txt and then try to open out.txt with notepad. You should not get a permission denied error.

    Note: both MinGW and CygWin may run into virtual memory address space conflicts on modern versions of Windows. You will run into errors like Couldn't reserve space for mingw's heap, Win32 error 0. A workaround is to reboot until you can run bison.exe from a cmd.exe prompt.

Curl

If you do not have cURL installed

clang-format

For making changes to the code, you should install the clang-format tool and Visual Studio extension, you can find both at http://llvm.org/builds/

Build on Windows using the Windows Subsystem for Linux

To setup the subsystem, go to https://msdn.microsoft.com/en-us/commandline/wsl/install_guide

Then, you can simply follow the Linux instructions

Note that you can (and should) install the Windows version of postgres even when running stellar-core from within WSL.

Basic Installation

  • git clone PATH_TO_STELLAR_CORE
  • git submodule init
  • git submodule update
  • Open the solution Builds\VisualStudio\stellar-core.sln
  • Pick the target architecture and flavor (e.g. x64, Release)
  • Hit "Build Solution (F7)"