doc: tweak doc build tools instructions
need to use sudo -E (to get environment variables)
Signed-off-by: David B. Kinder <david.b.kinder@intel.com>
diff --git a/doc/README.rst b/doc/README.rst
index e3ccee5..a8dbdcf 100644
--- a/doc/README.rst
+++ b/doc/README.rst
@@ -67,15 +67,14 @@
Here are a set of commands to install the documentation generations tools on
Ubuntu:
-
.. code-block:: bash
- $ sudo apt-get install python-pip
+ $ sudo -E apt-get install python-pip
$ pip install --upgrade pip
- $ sudo apt-get install doxygen
+ $ sudo -E apt-get install doxygen
$ pip install sphinx==1.4.4
- $ sudo -H pip install breathe
- $ sudo -H pip install sphinx-rtd-theme
+ $ sudo -HE pip install breathe
+ $ sudo -HE pip install sphinx-rtd-theme
There is a known issue that causes docutils version 0.13 to fail with sphinx
1.4.4. Verify the version of docutils using:
@@ -89,7 +88,7 @@
.. code-block:: bash
- $ sudo -H pip install docutils==0.12
+ $ sudo -HE pip install docutils==0.12
Running the Documentation Generators
