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-rw-r--r--doc/manual/src/installation/prerequisites-source.md6
1 files changed, 6 insertions, 0 deletions
diff --git a/doc/manual/src/installation/prerequisites-source.md b/doc/manual/src/installation/prerequisites-source.md
index 0323a4f55..37e0b5a10 100644
--- a/doc/manual/src/installation/prerequisites-source.md
+++ b/doc/manual/src/installation/prerequisites-source.md
@@ -58,3 +58,9 @@
`--disable-seccomp-sandboxing` option to the `configure` script (Not
recommended unless your system doesn't support `libseccomp`). To get
the library, visit <https://github.com/seccomp/libseccomp>.
+
+ - On 64-bit x86 machines only, `libcpuid` library
+ is used to determine which microarchitecture levels are supported
+ (e.g., as whether to have `x86_64-v2-linux` among additional system types).
+ The library is available from its homepage
+ <http://libcpuid.sourceforge.net>.