documentation updates

1 files changed, 15 insertions, 7 deletions

diff --git a/INSTALL b/INSTALL
index e8c14c9..d5fafd3 100644
--- a/INSTALL
+++ b/INSTALL
@@ -1,18 +1,17 @@
 Required dependencies:
 ======================
 
-    * libfec from Phil Karn: http://www.ka9q.net/code/fec/
-    * Boost 1.41 or later
-    * Optional ZeroMQ http://www.zeromq.org
+    * libfec from Phil Karn, with compatibility patch:
+        https://github.com/Opendigitalradio/ka9q-fec
+    * Boost 1.48 or later
+    * Optional ZeroMQ 4 from http://www.zeromq.org
         Use --disable-output-zeromq if you don't have it
 
 Simple install procedure using tarball release:
 ===============================================
 
-    % wget http://www.ka9q.net/code/fec/fec-3.0.1.tar.bz2
-                                            # Download libfec
-    % tar xjf fec-3.0.1.tar.bz2             # Unpack the library source
-    % cd fec-3.0.1                          # Change to the library directory
+    % git clone https://github.com/Opendigitalradio/ka9q-fec.git
+    % cd ka9q-fec
     % ./configure                           # Run the configure script
     % make                                  # Build the library
     [as root]
@@ -41,3 +40,12 @@ Advanced install procedure:
 The configure script can be launch with a variety of options, launch the
 following command for a complete list:
     % ./configure --help
+
+Notes about libfec
+==================
+The original libfec version from
+    http://www.ka9q.net/code/fec/fec-3.0.1.tar.bz2
+does not compile on x86_64 nor on ARM. That is the reason why the patched
+version is suggested.
+
+On x86 systems, the original version can also be used.