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Added documentation details for Makefile installation and pkg-config.

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Yann Collet 2025-09-20 16:33:41 +00:00
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lib/README.md
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@ -7,15 +7,29 @@ in order to make it easier to select or exclude features.
#### Building
`Makefile` script is provided, supporting [Makefile conventions](https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html#Makefile-Conventions),
A `Makefile` script is provided, supporting [Makefile conventions](https://www.gnu.org/prep/standards/html_node/Makefile-Conventions.html#Makefile-Conventions),
including commands variables, staged install, directory variables and standard targets.
- `make` : generates both static and dynamic libraries
- `make install` : install libraries and headers in target system directories
- `make install` : install libraries, headers and pkg-config in local system directories
`libzstd` default scope is pretty large, including compression, decompression, dictionary builder,
and support for decoding legacy formats >= v0.5.0.
`libzstd` default scope is extensive, including compression, decompression, dictionary builder,
and support for decoding legacy formats >= v0.5.0 by default.
The scope can be reduced on demand (see paragraph _modular build_).
#### Multiarch Support
For multiarch systems (like Debian/Ubuntu), libraries should be installed to architecture-specific directories.
When creating packages for such systems, use the `LIBDIR` variable to specify the correct multiarch path:
```bash
# For x86_64 systems on Ubuntu/Debian:
make install PREFIX=/usr LIBDIR=/usr/lib/x86_64-linux-gnu
# For ARM64 systems on Ubuntu/Debian:
make install PREFIX=/usr LIBDIR=/usr/lib/aarch64-linux-gnu
```
This will not only install the files in the correct directories, but also generate the correct paths for `pkg-config`.
#### Multithreading support