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-// file : BOOTSTRAP-MINGW.cli
-// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
-// license : MIT; see accompanying LICENSE file
-
-"
-Continuing from \l{#bootstrap-windows Bootstrapping on Windows}, if you are
-using your own MinGW distribution, then the resulting \c{build2} binaries will
-most likely require a number of DLLs in order to run. It is therefore
-recommended that you copy the following files from your MinGW \c{bin\\}
-subdirectory to \c{C:\\build2\\bin\\} (\c{*} in the last name will normally be
-\c{dw2-1}, \c{seh-1}, or \c{sjlj-1}):
-
-\
-libwinpthread-1.dll
-libstdc++-6.dll
-libgcc_s_*.dll
-\
-
-To build with MinGW you can either perform the following steps manually or, if
-after reviewing the steps, you are happy with using the defaults, run the
-\c{build-mingw.bat} batch file. It performs (and echoes) the same set of steps
-as outlined below but only allows you to customize the compiler, installation
-directory, and a few other things (run \c{build-mingw.bat /?} for usage).
-
-For example, if your MinGW distribution is in \c{C:\\mingw\\}, then you could
-run it (from the command prompt that we have started earlier) like this:
-
-\
-> .\build-mingw.bat C:\mingw\bin\g++
-\
-
-If you are using the \c{build2-mingw} package then you should be able to
-use just \c{g++} for the compiler:
-
-\
-> .\build-mingw.bat g++
-\
-
-If you would like to speed the process up by compiling in parallel, then you
-can instruct \c{build-mingw.bat} to bootstrap using GNU make (comes in
-the \c{build2-mingw} package), for example:
-
-\
-> .\build-mingw.bat --make mingw32-make --make -j8 g++
-\
-
-\N|Note that at about half way through (\c{bpkg fetch} at step 4 below) the
-script will stop and prompt you to verify the authenticity of the repository
-certificate. To run the script unattended you can specify the certificate
-fingerprint with the \c{--trust} option (see \c{build-mingw.bat /?} for
-details).|
-
-The end result of the bootstrap process (performed either with the script or
-manually) is the installed toolchain as well as the \c{bpkg} configuration in
-\c{build2-toolchain-X.Y\\} that can be used to \l{#upgrade upgrade} to newer
-versions. It can also be used to uninstall the toolchain:
-
-\
-> cd build2-toolchain-X.Y
-> bpkg uninstall build2 bpkg bdep
-\
-
-\N|Note that in both cases (manual or scripted bootstrap), if something goes
-wrong and you need to restart the process, you \b{must} start with a clean
-toolchain source by unpacking it afresh from the archive.|
-
-The rest of this section outlines the manual bootstrap process.
-
-\dl|
-
-\li|\b{1. Bootstrap, Phase 1}\n
-
-First, we build a minimal build system with the provided
-\c{bootstrap-mingw.bat} batch file. Normally, the only argument you will pass
-to this script is the C++ compiler to use but there is also a way to specify
-compile options; run \c{bootstrap-mingw.bat /?} and see the
-\c{build2\\INSTALL} file for details.
-
-\
-> cd build2
-> .\bootstrap-mingw.bat g++ -static
-
-> build2\b-boot --version
-\
-
-Alternatively, we can use the \c{bootstrap.gmake} GNU makefile to bootstrap
-in parallel:
-
-\
-> cd build2
-> mingw32-make -f bootstrap.gmake -j 8 CXX=g++ LDFLAGS=-static
-
-> build2\b-boot --version
-\
-
-|
-
-\li|\n\b{2. Bootstrap, Phase 2}\n
-
-Then, we rebuild the build system with the result of Phase 1 linking
-libraries statically.
-
-\
-> build2\b-boot config.cxx=g++ config.bin.lib=static build2\exe{b}
-> move /y build2\b.exe build2\b-boot.exe
-
-> build2\b-boot --version
-\
-
-|
-
-\li|\n\b{3. Stage}\n
-
-At this step the build system and package manager are built with shared
-libraries and then staged:
-
-\
-> cd .. # Back to build2-toolchain-X.Y.Z\
-
-> build2\build2\b-boot configure ^
- config.cxx=g++ ^
- config.bin.suffix=-stage ^
- config.install.root=C:\build2 ^
- config.install.data_root=root\stage
-
-> build2\build2\b-boot install: build2/ bpkg/
-\
-
-The strange-looking \c{config.install.data_root=root\\stage} means install
-data files (as opposed to executable files) into the \c{stage\\} subdirectory
-of wherever \c{config.install.root} points to (so in our case it will be
-\c{C:\\build2\\stage\\}). This subdirectory is temporary and will be removed
-in a few steps.
-
-Verify that the toolchain binaries can be found and work (this relies on the
-\c{PATH} environment variable we have set earlier):
-
-\
-> where b-stage
-C:\build2\bin\b-stage.exe
-
-> where bpkg-stage
-C:\build2\bin\bpkg-stage.exe
-
-> b-stage --version
-> bpkg-stage --version
-\
-
-At the next step we will use \c{bpkg} to build and install the entire
-toolchain. If for some reason you prefer not to build from packages (for
-example, because the machine is offline), then you can convert this step into
-the \"final\" installation and skip the rest. For this you will need to change
-the \c{configure} and \c{install} command lines above along these lines:
-
-\
-> build2\build2\b-boot configure ^
- config.cxx=g++ ^
- config.cc.coptions=-O3 ^
- config.install.root=C:\build2
-
-> build2\build2\b-boot install: build2/ bpkg/ bdep/
-\
-
-|
-
-\li|\n\b{4. Install}\n
-
-Next, we use the staged tools to build and install the entire toolchain from
-the package repository with the \c{bpkg} package manager. First, we create
-the \c{bpkg} configuration. The configuration values are pretty similar to the
-previous step and you may want/need to make similar adjustments.
-
-\
-> cd .. # Back to build2-build\
-> md build2-toolchain-X.Y
-> cd build2-toolchain-X.Y
-
-> bpkg-stage create ^
- cc ^
- config.cxx=g++ ^
- config.cc.coptions=-O3 ^
- config.install.root=C:\build2
-\
-
-Next, we add the package repository, build, and install:
-
-\
-> bpkg-stage add https://pkg.cppget.org/1/alpha
-> bpkg-stage fetch
-> bpkg-stage build --for install build2 bpkg bdep
-> bpkg-stage install build2 bpkg bdep
-\
-
-Finally, we verify the result (note that the \c{where} command is not
-available on Windows XP without the Resource Kit installed):
-
-\
-> where b
-C:\build2\bin\b.exe
-
-> where bpkg
-C:\build2\bin\bpkg.exe
-
-> where bdep
-C:\build2\bin\bdep.exe
-
-> b --version
-> bpkg --version
-> bdep --version
-\
-
-|
-
-\li|\n\b{5. Clean}\n
-
-The last thing we need to do is uninstall the staged tools:
-
-\
-> cd ..\build2-toolchain-X.Y.Z # Back to bootstrap.
-> b uninstall: build2/ bpkg/
-\
-
-||
-"