testing.md: add testing doc

[contrib/mraa.git] / docs / building.md

diff --git a/docs/building.md b/docs/building.md
index 7ab9ae2..8240600 100644 (file)
--- a/docs/building.md
+++ b/docs/building.md
@@ -16,8 +16,10 @@ what you'll need:
 
 To build the documentation you'll also need:
 * [Doxygen](http://www.stack.nl/~dimitri/doxygen/) 1.8.9.1+
+* [Graphviz](http://graphviz.org/) 2+ (For doxygen graph generation)
 * [Sphinx](http://sphinx-doc.org/) 1.1.3+ (For Python docs)
 
+
 ## Basic build steps
 
 ~~~~~~~~~~~~~{.sh}
@@ -60,6 +62,14 @@ Building doc, this will require [SPHINX](http://sphinx-doc.org) &
 [Doxygen](http://doxygen.org):
  -DBUILDDOC=ON
 
+Building with python3 (careful you need to clear cmake cache between python
+version switches!)
+ -DBUILDPYTHON3=ON
+
+Override build architecture (this is useful because on x86 arm code is not
+compiled so use this flag to force the target arch)
+ -DBUILDARCH=arm
+
 ## Dependencies continued
 
 You'll need at least SWIG version 3.0.2 and we recommend 3.0.5 to build the