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-rw-r--r--profiles/packages/text.xml9
1 files changed, 9 insertions, 0 deletions
diff --git a/profiles/packages/text.xml b/profiles/packages/text.xml
index f4527ca..b8215f7 100644
--- a/profiles/packages/text.xml
+++ b/profiles/packages/text.xml
@@ -11,6 +11,15 @@ discussion on the <c>gentoo-dev</c> list; subprofile overrides are up to the
relevant arch teams.
</p>
+<p>
+Note that <c>packages</c> can be used to require that specific versions of a package
+be used, for example <c>&lt;sys-kernel/linux-headers-2.5</c> in a profile requiring
+a 2.4 kernel. If this is done with the intention of requiring <b>only</b> a lower version
+(that is to say, not a &gt; or &gt;= restriction, and with slots not affecting the
+outcome), then the entry in <c>packages</c> must be accompanied by a corresponding
+<c>package.mask</c> entry to ensure that no other versions get installed.
+</p>
+
</body>
</chapter>
</guide>