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dce7d29551
With this patch, Git can be built using the Microsoft toolchain, via: make MSVC=1 [DEBUG=1] Third party libraries are built from source using the open source "vcpkg" tool set. See https://github.com/Microsoft/vcpkg On a first build, the vcpkg tools and the third party libraries are automatically downloaded and built. DLLs for the third party libraries are copied to the top-level (and t/helper) directory to facilitate debugging. See compat/vcbuild/README. A series of .bat files are invoked by the Makefile to find the location of the installed version of Visual Studio and the associated compiler tools (essentially replicating the environment setup performed by a "Developer Command Prompt"). This should find the most recent VS2015 or VS2017 installation. Output from these scripts are used by the Makefile to define compiler and linker pathnames and -I and -L arguments. The build produces .pdb files for both debug and release builds. Note: This commit was squashed from an organic series of commits developed between 2016 and 2018 in Git for Windows' `master` branch. This combined commit eliminates the obsolete commits related to fetching NuGet packages for third party libraries. It is difficult to use NuGet packages for C/C++ sources because they may be built by earlier versions of the MSVC compiler and have CRT version and linking issues. Additionally, the C/C++ NuGet packages that we were using tended to not be updated concurrently with the sources. And in the case of cURL and OpenSSL, this could expose us to security issues. Helped-by: Yue Lin Ho <b8732003@student.nsysu.edu.tw> Helped-by: Philip Oakley <philipoakley@iee.org> Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
80 lines
2.4 KiB
Batchfile
80 lines
2.4 KiB
Batchfile
@ECHO OFF
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REM ================================================================
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REM This script installs the "vcpkg" source package manager and uses
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REM it to build the third-party libraries that git requires when it
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REM is built using MSVC.
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REM
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REM [1] Install VCPKG.
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REM [a] Create <root>/compat/vcbuild/vcpkg/
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REM [b] Download "vcpkg".
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REM [c] Compile using the currently installed version of VS.
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REM [d] Create <root>/compat/vcbuild/vcpkg/vcpkg.exe
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REM
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REM [2] Install third-party libraries.
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REM [a] Download each (which may also install CMAKE).
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REM [b] Compile in RELEASE mode and install in:
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REM vcpkg/installed/<arch>/{bin,lib}
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REM [c] Compile in DEBUG mode and install in:
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REM vcpkg/installed/<arch>/debug/{bin,lib}
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REM [d] Install headers in:
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REM vcpkg/installed/<arch>/include
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REM
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REM [3] Create a set of MAKE definitions for the top-level
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REM Makefile to allow "make MSVC=1" to find the above
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REM third-party libraries.
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REM [a] Write vcpkg/VCPGK-DEFS
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REM
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REM https://blogs.msdn.microsoft.com/vcblog/2016/09/19/vcpkg-a-tool-to-acquire-and-build-c-open-source-libraries-on-windows/
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REM https://github.com/Microsoft/vcpkg
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REM https://vcpkg.readthedocs.io/en/latest/
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REM ================================================================
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SETLOCAL EnableDelayedExpansion
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@FOR /F "delims=" %%D IN ("%~dp0") DO @SET cwd=%%~fD
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cd %cwd%
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dir vcpkg\vcpkg.exe >nul 2>nul && GOTO :install_libraries
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echo Fetching vcpkg in %cwd%vcpkg
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git.exe clone https://github.com/Microsoft/vcpkg vcpkg
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IF ERRORLEVEL 1 ( EXIT /B 1 )
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cd vcpkg
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echo Building vcpkg
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powershell -exec bypass scripts\bootstrap.ps1
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IF ERRORLEVEL 1 ( EXIT /B 1 )
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echo Successfully installed %cwd%vcpkg\vcpkg.exe
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:install_libraries
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SET arch=x64-windows
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echo Installing third-party libraries...
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FOR %%i IN (zlib expat libiconv openssl libssh2 curl) DO (
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cd %cwd%vcpkg
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IF NOT EXIST "packages\%%i_%arch%" CALL :sub__install_one %%i
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IF ERRORLEVEL 1 ( EXIT /B 1 )
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)
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:install_defines
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cd %cwd%
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SET inst=%cwd%vcpkg\installed\%arch%
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echo vcpkg_inc=-I"%inst%\include">VCPKG-DEFS
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echo vcpkg_rel_lib=-L"%inst%\lib">>VCPKG-DEFS
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echo vcpkg_rel_bin="%inst%\bin">>VCPKG-DEFS
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echo vcpkg_dbg_lib=-L"%inst%\debug\lib">>VCPKG-DEFS
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echo vcpkg_dbg_bin="%inst%\debug\bin">>VCPKG-DEFS
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EXIT /B 0
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:sub__install_one
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echo Installing package %1...
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.\vcpkg.exe install %1:%arch%
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IF ERRORLEVEL 1 ( EXIT /B 1 )
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echo Finished %1
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goto :EOF
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