Include documentation build dependencies in README.

ElaraFX · Oct 3, 2019 · 3be3560 · 3be3560
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commit 3be3560
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diff --git a/README.md b/README.md
@@ -28,6 +28,11 @@ The Makefile uses cmake under the hood.
 This will build, install to a local 'install' directory, and
 run regression tests.
 
+Documentation is only built if the following dependencies are installed:
+
+- [Doxygen](http://www.doxygen.nl/)
+- [Graphviz](https://graphviz.org/)
+
 
 ## Installation Contents