doc: add crosslink to developer docs

for source build instructions

Signed-off-by: Quentin Young <qlyoung@nvidia.com>

diff --git a/doc/user/installation.rst b/doc/user/installation.rst
index 5d5dfa5cc5de8ab76f1ffda3ecc6655cf268727e..382d71b71f5744588191e1be610d81599ff6dfbf 100644 (file)
--- a/doc/user/installation.rst
+++ b/doc/user/installation.rst
@@ -31,8 +31,11 @@ From Source
 
 Building FRR from source is the best way to ensure you have the latest features
 and bug fixes. Details for each supported platform, including dependency
-package listings, permissions, and other gotchas, are in the developer's
-documentation. This section provides a brief overview on the process.
+package listings, permissions, and other gotchas, are in the `developer's
+documentation
+<http://docs.frrouting.org/projects/dev-guide/en/latest/building.html>`_. This
+section provides a brief overview on the process.
+
 
 Getting the Source
 ^^^^^^^^^^^^^^^^^^