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authorScott Rifenbark <srifenbark@gmail.com>2016-04-15 08:09:19 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2016-04-18 16:28:24 +0100
commit6391dbfe489ac5565d1fce23a31a90f3616f158c (patch)
tree83c328a48e79e1c27d529d976a45c61acdcc21b3
parent6d86f7a0a35cd811bf267ecce847da33c82c1cc6 (diff)
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ref-manual: Updated the PREFERRED_PROVIDER variable with a note.
(From yocto-docs rev: 5d3a3e9ea8670f784f9c06cb244a9d5981bb1e76) Signed-off-by: Scott Rifenbark <srifenbark@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
-rw-r--r--documentation/ref-manual/ref-variables.xml11
1 files changed, 11 insertions, 0 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index d66fe1b0c6..4fb1f64646 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -9568,6 +9568,17 @@ recipes-graphics/xorg-font/font-alias_1.0.3.bb:PR = "${INC_PR}.3"
PREFERRED_PROVIDER_virtual/xserver = "xserver-xf86"
PREFERRED_PROVIDER_virtual/libgl ?= "mesa"
</literallayout>
+ <note>
+ If you set <filename>PREFERRED_PROVIDER</filename>
+ for a <filename>virtual/*</filename> item, then any
+ recipe that
+ <link linkend='var-PROVIDES'><filename>PROVIDES</filename></link>
+ that item that is not selected by
+ <filename>PREFERRED_PROVIDER</filename> is prevented
+ from building, which is usually desirable since this
+ mechanism is designed to select between mutually
+ exclusive alternative providers.
+ </note>
</para>
</glossdef>
</glossentry>