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// file : BOOTSTRAP-WINDOWS.cli
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
"
The following instructions are for bootstrapping \c{build2} from the Windows
command prompt with either MSVC, Clang (targeting the MSVC runtime), or
MinGW. If you are using any kind of UNIX emulation layer (for example, WSL,
MSYS, or Cygwin) and already have a UNIX shell with standard utilities, then
you most likely should follow \l{#bootstrap-unix Bootstrapping on UNIX}
instead.
\N|Note that if you continue with these instructions but you already have your
own installation of MSYS and/or MinGW, then make sure that their paths are not
in your \c{PATH} environment variable when building and using \c{build2} since
they may provide conflicting DLLs.|
The \c{build2} toolchain on Windows requires a set of extra utilities
(\c{install}, \c{diff}, \c{curl}, \c{tar}, etc). These are provided by the
\c{build2-baseutils} package (see the \c{README} file inside for details).
Normally, the \c{build2} toolchain itself is installed into the same directory
as the utilities in order to produce the combined installation.
To build on Windows you will need either MSVC 14 Update 3 or later, Clang 8 or
later (either bundled with MSVC or installed separately), or MinGW GCC 4.9 or
later. If you don't already have a suitable C++ compiler, then you can use the
\c{build2-mingw} package which provides a minimal MinGW-W64 GCC distribution
(see the \c{README} file inside for details). If used, then it should be
unpacked into the same directory as \c{build2-baseutils}.
\N|If using your own MinGW GCC installation, make sure it is configured with
the \c{posix} threading model (this is currently the only configuration that
implements C++11 threads; run \c{g++ -v} to verify).|
\N|Only 64-bit variants of the \c{baseutils} and \c{mingw} packages are
provided and they \b{must} match the width of the \c{build2} toolchain. Note
also that the 64-bit \c{build2} toolchain can be used to build 32-bit
applications without any restrictions.|
To bootstrap on Windows with either MSVC, Clang, or MinGW start with the
following common steps:
\dl|
\li|\b{1. Open Command Prompt}\n
Start the standard Windows Command Prompt. If you plan to build with MSVC or
Clang bundled with MSVC, then you may go ahead and start the Visual Studio
\"x64 Native Tools Command Prompt\" (or wait for MSVC/Clang-specific
instructions).|
\li|\n\b{2. Create Build Directory}\n
You will want to keep this directory around in order to upgrade to new
toolchain versions in the future. In this guide we use \c{C:\\build2-build\\}
as the build directory and \c{C:\\build2\\} as the installation directory but
you can use other paths.
\
> cd /D C:\
> mkdir build2-build
> cd build2-build
\
|
\li|\n\b{3. Download Archives}\n
Download the following files as well as their \c{.sha256} checksums from the
\l{https://build2.org/download.xhtml Download} page:
\
build2-baseutils-X.Y.Z-x86_64-windows.zip
build2-mingw-X.Y.Z-x86_64-windows.tar.xz (if required)
build2-toolchain-X.Y.Z.tar.xz
\
Place everything into \c{C:\\build2-build\\} (build directory).|
\li|\n\b{4. Verify Archive Checksums}\n
Verify archive checksums match (compare visually):
\
> type *.sha256
> for %f in (*.zip *.xz) do certutil -hashfile %f SHA256
\
|
\li|\n\b{5. Unpack \c{build2-baseutils}}\n
Unpack the \c{build2-baseutils-X.Y.Z-x86_64-windows.zip} archive into \c{C:\\}
using Windows Explorer (for example, copy the archive directory and then paste
it). Rename it to \c{C:\\build2\\}. This will be the toolchain installation
directory. |
\li|\n\b{6. Set \c{PATH}}\n
Set the \c{PATH} environment variable and verify that the utilities are found
and work:
\
> set \"PATH=C:\build2\bin;%PATH%\"
> where tar
> tar --version
\
|
\li|\n\b{7. Unpack \c{build2-mingw} (optional)}\n
If required, unpack the \c{build2-mingw-X.Y.Z-x86_64-windows.tar.xz} archive
into \c{C:\\build2\\}:
\
> xz -d build2-mingw-X.Y.Z-x86_64-windows.tar.xz
> tar -xf build2-mingw-X.Y.Z-x86_64-windows.tar ^
--one-top-level=C:\build2 --strip-components=1
\
Verify that the MinGW GCC is found and works:
\
> where g++
> g++ --version
\
|
\li|\n\b{8. Unpack \c{build2-toolchain}}\n
Unpack the \c{build2-toolchain-X.Y.Z.tar.xz} archive and change to its
directory:
\
> xz -d build2-toolchain-X.Y.Z.tar.xz
> tar -xf build2-toolchain-X.Y.Z.tar
> cd build2-toolchain-X.Y.Z
\
||
If building with MSVC, continue with \l{#bootstrap-windows-msvc Bootstrapping
on Windows with MSVC}.
If building with Clang, continue with \l{#bootstrap-windows-clang Bootstrapping
on Windows with Clang}.
If building with MinGW, continue with \l{#bootstrap-windows-mingw
Bootstrapping on Windows with MinGW}.
"
|
