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UPSTREAM PR #17510: Build llama.cpp using MSVC - Visual Studio 17 2022 #329

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UPSTREAM PR #17510: Build llama.cpp using MSVC - Visual Studio 17 2022 #329

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a3e2637
Build llama.cpp using MSVC - Visual Studio 17 2022
trevorsandy Nov 26, 2025
301a2be
Fix wrong indent style - tabs instead of spaces
trevorsandy Nov 26, 2025
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42 changes: 42 additions & 0 deletions docs/build.md
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Expand Up @@ -69,6 +69,48 @@ cmake --build build --config Release
- **Debian / Ubuntu:** `sudo apt-get install libcurl4-openssl-dev` # (or `libcurl4-gnutls-dev` if you prefer GnuTLS)
- **Fedora / RHEL / Rocky / Alma:** `sudo dnf install libcurl-devel`
- **Arch / Manjaro:** `sudo pacman -S curl` # includes libcurl headers
- Build llama.cpp using MSVC _19.44.35219.0_ - Visual Studio 17 2022:
- Install development instance of _libcurl_.
```bat
git clone https://github.com/microsoft/vcpkg.git
cd vcpkg
bootstrap-vcpkg.bat
vcpkg.exe install curl:x64-windows --vcpkg-root %cd% --disable-metrics
cd ..
```
- Build _ccache_ executable - optional.
```bat
git clone https://github.com/ccache/ccache.git
cd ccache
cmake -B build -DCMAKE_BUILD_TYPE=Release
cmake --build build --config Release -j 4
cd ..
```
- To suppress warnings, add the following to `if (MSVC)...` in the top-level _CMakeLists.txt_.
```cmake
add_compile_options(
/wd4101 # unreferenced local variable
/wd4244 # conversion from 'type1' to 'type2', possible loss of data
/wd4267 # conversion from 'size_t' to a smaller type, possible loss of data
/wd4305 # truncation from 'type1' to 'type2'
/wd4319 # zero extending 'uint32_t' to 'size_t' of greater size
/wd4804 # unsafe use of type 'bool'
/wd4996 # the POSIX name for this item is deprecated
)
```
- Build configuration - release build with build shared libs disabled.
```bat
:: Use full file paths for libcurl and ccache. Replace <user> with valid user ID if applicable.
cmake -B build -DBUILD_SHARED_LIBS=OFF -DCMAKE_BUILD_TYPE=Release ^
-DCURL_LIBRARY=C:\Users\<user>\Projects\llama.cpp\vcpkg\packages\curl_x64-windows\lib\libcurl.lib ^
-DCURL_INCLUDE_DIR=C:\Users\<user>\Projects\llama.cpp\vcpkg\packages\curl_x64-windows\include ^
-DCMAKE_C_COMPILER_LAUNCHER=C:\Users\<user>\Projects\llama.cpp\ccache\build\Release\ccache.exe ^
-DCMAKE_CXX_COMPILER_LAUNCHER=C:\Users\<user>\Projects\llama.cpp\ccache\build\Release\ccache.exe
```
- Build
```bat
cmake --build build --config Release -j 8
```

## BLAS Build

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