Add note about glog not currently compiling against gflags 2.1.
- Also fix a typo in pointer to EIGENSPARSE documentation.
Change-Id: I1448fcf3680a65362c6f9b2d8a5ab0259da92364
diff --git a/docs/source/building.rst b/docs/source/building.rst
index f739f38..f77fe43 100644
--- a/docs/source/building.rst
+++ b/docs/source/building.rst
@@ -31,7 +31,7 @@
.. NOTE ::
Ceres can also use Eigen as a sparse linear algebra
- library. Please see the documentation for ``-DEIGENSPARSE`` for`
+ library. Please see the documentation for ``EIGENSPARSE`` for
more details.
- `CMake <http://www.cmake.org>`_ 2.8.0 or later.
@@ -52,6 +52,14 @@
Android due to the various performance and functionality
compromises in** ``miniglog``.
+ .. NOTE ::
+
+ If you are compiling ``glog`` from source, please note that currently,
+ the unit tests for ``glog`` (which are enabled by default) do not compile
+ against a default build of ``gflags`` 2.1 as the gflags namespace changed
+ from ``google::`` to ``gflags::``. A patch to fix this is available from
+ `here <https://code.google.com/p/google-glog/issues/detail?id=194>`_.
+
- `Google Flags <http://code.google.com/p/gflags>`_. Needed to build
examples and tests.
