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4c879c45fe
ed83974bb4doc: Add note about distro's g++-mingw-w64-x86-64-posix version (Hennadii Stepanov) Pull request description: This PR stems from a requirement for the `g++` minimum supported version [being >= 11](https://github.com/bitcoin/bitcoin/pull/29091): - https://packages.ubuntu.com/noble/g++-mingw-w64-x86-64-posix - https://packages.debian.org/bookworm/g++-mingw-w64-x86-64-posix ACKs for top commit: m3dwards: ACKed83974bb4maflcko: review-only ACKed83974bb4Tree-SHA512: a4c4d5239df5540b2dac922c2834c51337ec67310d596620bea02fe54334917e83da8954107c6a3fdd08143d1eac6a2cd4b0520ad023d7ccad8bcbdc4e03a7c0
98 lines
4.1 KiB
Markdown
98 lines
4.1 KiB
Markdown
WINDOWS BUILD NOTES
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====================
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Below are some notes on how to build Bitcoin Core for Windows.
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The options known to work for building Bitcoin Core on Windows are:
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* On Linux, using the [Mingw-w64](https://www.mingw-w64.org/) cross compiler tool chain.
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* On Windows, using [Windows Subsystem for Linux (WSL)](https://learn.microsoft.com/en-us/windows/wsl/about) and Mingw-w64.
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* On Windows, using [Microsoft Visual Studio](https://visualstudio.microsoft.com). See [README.md](/build_msvc/README.md).
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Other options which may work, but which have not been extensively tested are (please contribute instructions):
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* On Windows, using a POSIX compatibility layer application such as [cygwin](https://www.cygwin.com/) or [msys2](https://www.msys2.org/).
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The instructions below work on Ubuntu and Debian. Make sure the distribution's `g++-mingw-w64-x86-64-posix`
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package meets the minimum required `g++` version specified in [dependencies.md](dependencies.md).
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Installing Windows Subsystem for Linux
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---------------------------------------
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Follow the upstream installation instructions, available [here](https://learn.microsoft.com/en-us/windows/wsl/install).
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Cross-compilation for Ubuntu and Windows Subsystem for Linux
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------------------------------------------------------------
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The steps below can be performed on Ubuntu or WSL. The depends system
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will also work on other Linux distributions, however the commands for
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installing the toolchain will be different.
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First, install the general dependencies:
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sudo apt update
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sudo apt upgrade
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sudo apt install build-essential libtool autotools-dev automake pkg-config bsdmainutils cmake curl git
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A host toolchain (`build-essential`) is necessary because some dependency
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packages need to build host utilities that are used in the build process.
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See [dependencies.md](dependencies.md) for a complete overview.
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If you want to build the windows installer with `make deploy` you need [NSIS](https://nsis.sourceforge.io/Main_Page):
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sudo apt install nsis
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Acquire the source in the usual way:
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git clone https://github.com/bitcoin/bitcoin.git
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cd bitcoin
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## Building for 64-bit Windows
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The first step is to install the mingw-w64 cross-compilation tool chain:
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```sh
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sudo apt install g++-mingw-w64-x86-64-posix
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```
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Once the toolchain is installed the build steps are common:
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Note that for WSL the Bitcoin Core source path MUST be somewhere in the default mount file system, for
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example /usr/src/bitcoin, AND not under /mnt/d/. If this is not the case the dependency autoconf scripts will fail.
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This means you cannot use a directory that is located directly on the host Windows file system to perform the build.
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Additional WSL Note: WSL support for [launching Win32 applications](https://learn.microsoft.com/en-us/archive/blogs/wsl/windows-and-ubuntu-interoperability#launching-win32-applications-from-within-wsl)
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results in `Autoconf` configure scripts being able to execute Windows Portable Executable files. This can cause
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unexpected behaviour during the build, such as Win32 error dialogs for missing libraries. The recommended approach
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is to temporarily disable WSL support for Win32 applications.
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Build using:
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sudo bash -c "echo 0 > /proc/sys/fs/binfmt_misc/status" # Disable WSL support for Win32 applications.
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cd depends
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make HOST=x86_64-w64-mingw32
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cd ..
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./autogen.sh
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CONFIG_SITE=$PWD/depends/x86_64-w64-mingw32/share/config.site ./configure --prefix=/
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make # use "-j N" for N parallel jobs
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sudo bash -c "echo 1 > /proc/sys/fs/binfmt_misc/status" # Enable WSL support for Win32 applications.
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## Depends system
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For further documentation on the depends system see [README.md](../depends/README.md) in the depends directory.
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Installation
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-------------
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After building using the Windows subsystem it can be useful to copy the compiled
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executables to a directory on the Windows drive in the same directory structure
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as they appear in the release `.zip` archive. This can be done in the following
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way. This will install to `c:\workspace\bitcoin`, for example:
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make install DESTDIR=/mnt/c/workspace/bitcoin
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You can also create an installer using:
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make deploy
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