From 94161d7b247467bde3988700dec6bbb91478df31 Mon Sep 17 00:00:00 2001
From: Manolis Surligas <surligas@gmail.com>
Date: Wed, 26 Oct 2016 20:36:07 +0300
Subject: [PATCH] Change the build system requirements on GNU Radio version and
 libnova

---
 CMakeLists.txt | 26 ++++++++++++++------------
 README.md      | 18 ++++++++++--------
 2 files changed, 24 insertions(+), 20 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4603054..f36c25b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -116,12 +116,22 @@ find_package (Threads REQUIRED)
 find_package(CppUnit)
 find_package(Doxygen)
 
+########################################################################
+# Include or not into the module blocks for debugging
+########################################################################
+if(NOT INCLUDE_DEBUG_BLOCKS)
+	set(INCLUDE_DEBUG_BLOCKS ON CACHE BOOL 
+	    "Disable blocks that are used for debugging purposes")
+endif()
+
 ########################################################################
 # Find gr-satnogs external build dependencies
 ########################################################################
-find_package(Nova)
-if(NOT NOVA_FOUND)
-    message(FATAL_ERROR "libnova required to compile satnogs")
+if(${INCLUDE_DEBUG_BLOCKS})
+    find_package(Nova)
+    if(NOT NOVA_FOUND)
+        message(FATAL_ERROR "libnova required to compile satnogs")
+    endif()
 endif()
 
 # Search for GNU Radio and its components and versions. Add any
@@ -129,7 +139,7 @@ endif()
 # caps such as FILTER or FFT) and change the version to the minimum
 # API compatible version required.
 set(GR_REQUIRED_COMPONENTS RUNTIME)
-find_package(Gnuradio "3.7.2" REQUIRED)
+find_package(Gnuradio "3.7.7" REQUIRED)
 
 if(NOT CPPUNIT_FOUND)
     message(FATAL_ERROR "CppUnit required to compile satnogs")
@@ -144,14 +154,6 @@ else(DOXYGEN_FOUND)
 	option(ENABLE_DOXYGEN "Build docs using Doxygen" OFF)
 endif(DOXYGEN_FOUND)
 
-########################################################################
-# Include or not into the module blocks for debugging
-########################################################################
-if(NOT INCLUDE_DEBUG_BLOCKS)
-	set(INCLUDE_DEBUG_BLOCKS ON CACHE BOOL 
-	    "Disable blocks that are used for debugging purposes")
-endif()
-
 ########################################################################
 # Setup the include and linker paths
 ########################################################################
diff --git a/README.md b/README.md
index 438af03..ba1f62e 100644
--- a/README.md
+++ b/README.md
@@ -5,12 +5,14 @@ for decoding signals from various scientific and academic sattelites.
 ## Install
 
 ### Requirements
-1. GNU Radio ( > 3.7.2 )
-2. CMake ( > 3.1)
-3. G++ (with C++11 support)
-4. VOLK
-5. git
-6. gr-osmocom (optional, for using the flowgraphs)
+* GNU Radio ( > 3.7.2 )
+* CMake ( > 3.1)
+* G++ (with C++11 support)
+* VOLK
+* git
+*** Optional ***
+* gr-osmocom (for using the flowgraphs with real SDR hardware)
+* libnova (for building the debug blocks)
 
 ### Installation
 
@@ -32,9 +34,9 @@ E.g:
 
 `cmake -DCMAKE_INSTALL_PREFIX=/usr ..`
 
-Also, by default the build system disables a set of blocks used for debugging
+Also, by default the build system enables a set of blocks used for debugging
 during the development. The enable/disable switch is controled through the 
-`INCLUDE_DEBUG_BLOCKS` boolean variable. If for example, you want to enable the
+`INCLUDE_DEBUG_BLOCKS` boolean variable. If for example, you want to disable the
 debugging blocks, the **CMake** command would be:
 
 `cmake -DINCLUDE_DEBUG_BLOCKS=OFF ..`