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doc: Add workaround for vcpkg issue with paths with embedded spaces

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Github-Pull: #32858
Rebased-From: 0a1af4418e
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Hennadii Stepanov
2025-07-02 15:45:00 +01:00
committed by fanquake
parent 59a83fb8d1
commit e5a7575a6d
1 changed files with 23 additions and 13 deletions
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doc/build-windows-msvc.md
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@@ -59,17 +59,6 @@ ctest --test-dir build --build-config Release # Use "-j N" for N parallel tests
cmake --install build --config Release # Optional.
```
If building with `BUILD_GUI=ON`, vcpkg installation during the build
configuration step might fail because of extremely long paths required during
vcpkg installation if your vcpkg instance is installed in the default Visual
Studio directory. This can be avoided without modifying your vcpkg root
directory by changing vcpkg's intermediate build directory with the
`--x-buildtrees-root` argument to something shorter, for example:
```powershell
cmake -B build --preset vs2022-static -DVCPKG_INSTALL_OPTIONS="--x-buildtrees-root=C:\vcpkg"
```
### 5. Building with Dynamic Linking without GUI
```
@@ -78,9 +67,30 @@ cmake --build build --config Release # Use "-j N" for N parallel jobs.
ctest --test-dir build --build-config Release # Use "-j N" for N parallel tests. Some tests are disabled if Python 3 is not available.
```
### 6. vcpkg-specific Issues and Workarounds
vcpkg installation during the configuration step might fail for various reasons unrelated to Bitcoin Core.
If the failure is due to a "Buildtrees path … is too long" error, which is often encountered when building
with `BUILD_GUI=ON` and using the default vcpkg installation provided by Visual Studio, you can
specify a shorter path to store intermediate build files by using
the [`--x-buildtrees-root`](https://learn.microsoft.com/en-us/vcpkg/commands/common-options#buildtrees-root) option:
```powershell
cmake -B build --preset vs2022-static -DVCPKG_INSTALL_OPTIONS="--x-buildtrees-root=C:\vcpkg"
```
If vcpkg installation fails with the message "Paths with embedded space may be handled incorrectly", which
can occur if your local Bitcoin Core repository path contains spaces, you can override the vcpkg install directory
by setting the [`VCPKG_INSTALLED_DIR`](https://github.com/microsoft/vcpkg-docs/blob/main/vcpkg/users/buildsystems/cmake-integration.md#vcpkg_installed_dir) variable:
```powershell
cmake -B build --preset vs2022-static -DVCPKG_INSTALLED_DIR="C:\path_without_spaces"
```
## Performance Notes
### 6. vcpkg Manifest Default Features
### 7. vcpkg Manifest Default Features
One can skip vcpkg manifest default features to speedup the configuration step.
For example, the following invocation will skip all features except for "wallet" and "tests" and their dependencies:
@@ -90,6 +100,6 @@ cmake -B build --preset vs2022 -DVCPKG_MANIFEST_NO_DEFAULT_FEATURES=ON -DVCPKG_M
Available features are listed in the [`vcpkg.json`](/vcpkg.json) file.
### 7. Antivirus Software
### 8. Antivirus Software
To improve the build process performance, one might add the Bitcoin repository directory to the Microsoft Defender Antivirus exclusions.