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-rw-r--r--documentation/ref-manual/ref-variables.xml6
1 files changed, 6 insertions, 0 deletions
diff --git a/documentation/ref-manual/ref-variables.xml b/documentation/ref-manual/ref-variables.xml
index b26f6f73f7..3e0c151415 100644
--- a/documentation/ref-manual/ref-variables.xml
+++ b/documentation/ref-manual/ref-variables.xml
@@ -3926,6 +3926,12 @@
<!-- <para role="glossdeffirst"><imagedata fileref="figures/define-generic.png" /> -->
Additional GNU <filename>make</filename> options.
</para>
+
+ <para>
+ Because the <filename>EXTRA_OEMAKE</filename> defaults to
+ "", you need to set the variable to specify any required
+ GNU options.
+ </para>
</glossdef>
</glossentry>