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The entire idea of generating the VS solution makes only sense if we generate it via Continuous Integration; otherwise potential users would still have to download the entire Git for Windows SDK. If we pre-generate the Visual Studio solution, Git can be built entirely within Visual Studio, and the test scripts can be run in a regular Git for Windows (e.g. the Portable Git flavor, which does not include a full GCC toolchain and therefore weighs only about a tenth of Git for Windows' SDK). So let's just add a target in the Makefile that can be used to generate said solution; The generated files will then be committed so that they can be pushed to a branch ready to check out by Visual Studio users. To make things even more useful, we also generate and commit other files that are required to run the test suite, such as templates and bin-wrappers: with this, developers can run the test suite in a regular Git Bash after building the solution in Visual Studio. Note: for this build target, we do not actually need to initialize the `vcpkg` system, so we don't. Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
113 lines
4.5 KiB
Plaintext
113 lines
4.5 KiB
Plaintext
The Steps to Build Git with VS2015 or VS2017 from the command line.
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1. Install the "vcpkg" open source package manager and build essential
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third-party libraries. The steps for this have been captured in a
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set of convenience scripts. These can be run from a stock Command
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Prompt or from an SDK bash window:
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$ cd <repo_root>
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$ ./compat/vcbuild/vcpkg_install.bat
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The vcpkg tools and all of the third-party sources will be installed
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in this folder:
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<repo_root>/compat/vcbuild/vcpkg/
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A file will be created with a set of Makefile macros pointing to a
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unified "include", "lib", and "bin" directory (release and debug) for
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all of the required packages. This file will be included by the main
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Makefile:
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<repo_root>/compat/vcbuild/MSVC-DEFS-GEN
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2. OPTIONALLY copy the third-party *.dll and *.pdb files into the repo
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root to make it easier to run and debug git.exe without having to
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manipulate your PATH. This is especially true for debug sessions in
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Visual Studio.
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Use ONE of the following forms which should match how you want to
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compile git.exe.
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$ ./compat/vcbuild/vcpkg_copy_packages.bat debug
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$ ./compat/vcbuild/vcpkg_copy_packages.bat release
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3. Build git using MSVC from an SDK bash window using one of the
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following commands:
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$ make MSVC=1
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$ make MSVC=1 DEBUG=1
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================================================================
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Alternatively, run `make vcxproj` and then load the generated `git.sln` in
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Visual Studio. The initial build will install the vcpkg system and build the
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dependencies automatically. This will take a while.
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Instead of generating the `git.sln` file yourself (which requires a full Git
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for Windows SDK), you may want to consider fetching the `vs/master` branch of
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https://github.com/git-for-windows/git instead (which is updated automatically
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via CI running `make vcxproj`). The `vs/master` branch does not require a Git
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for Windows to build, but you can run the test scripts in a regular Git Bash.
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Note that `make vcxproj` will automatically add and commit the generated `.sln`
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and `.vcxproj` files to the repo. This is necessary to allow building a
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fully-testable Git in Visual Studio, where a regular Git Bash can be used to
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run the test scripts (as opposed to a full Git for Windows SDK): a number of
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build targets, such as Git commands implemented as Unix shell scripts (where
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`@@SHELL_PATH@@` and other placeholders are interpolated) require a full-blown
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Git for Windows SDK (which is about 10x the size of a regular Git for Windows
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installation).
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If your plan is to open a Pull Request with Git for Windows, it is a good idea
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to drop this commit before submitting.
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================================================================
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The Steps of Build Git with VS2008
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1. You need the build environment, which contains the Git dependencies
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to be able to compile, link and run Git with MSVC.
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You can either use the binary repository:
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WWW: http://repo.or.cz/w/msvcgit.git
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Git: git clone git://repo.or.cz/msvcgit.git
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Zip: http://repo.or.cz/w/msvcgit.git?a=snapshot;h=master;sf=zip
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and call the setup_32bit_env.cmd batch script before compiling Git,
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(see repo/package README for details), or the source repository:
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WWW: http://repo.or.cz/w/gitbuild.git
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Git: git clone git://repo.or.cz/gitbuild.git
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Zip: (None, as it's a project with submodules)
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and build the support libs as instructed in that repo/package.
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2. Ensure you have the msysgit environment in your path, so you have
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GNU Make, bash and perl available.
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WWW: http://repo.or.cz/w/msysgit.git
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Git: git clone git://repo.or.cz/msysgit.git
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Zip: http://repo.or.cz/w/msysgit.git?a=snapshot;h=master;sf=zip
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This environment is also needed when you use the resulting
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executables, since Git might need to run scripts which are part of
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the git operations.
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3. Inside Git's directory run the command:
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make command-list.h
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to generate the command-list.h file needed to compile git.
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4. Then either build Git with the GNU Make Makefile in the Git projects
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root
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make MSVC=1
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or generate Visual Studio solution/projects (.sln/.vcproj) with the
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command
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perl contrib/buildsystems/generate -g Vcproj
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and open and build the solution with the IDE
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devenv git.sln /useenv
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or build with the IDE build engine directly from the command line
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devenv git.sln /useenv /build "Release|Win32"
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The /useenv option is required, so Visual Studio picks up the
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environment variables for the support libraries required to build
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Git, which you set up in step 1.
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Done!
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