1 files changed, 43 insertions, 22 deletions
diff --git a/host/lib/usrp/usrp2/CMakeLists.txt b/host/lib/usrp/usrp2/CMakeLists.txt
index 47d74cec8..f7984fce5 100644
--- a/host/lib/usrp/usrp2/CMakeLists.txt
+++ b/host/lib/usrp/usrp2/CMakeLists.txt
@@ -17,25 +17,46 @@
 
 #This file will be included by cmake, use absolute paths!
 
-LIBUHD_APPEND_SOURCES(
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/clock_ctrl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/clock_ctrl.hpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/codec_ctrl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/codec_ctrl.hpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/codec_impl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/dboard_impl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/dboard_iface.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/dsp_impl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/gps_ctrl.hpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/gps_ctrl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/io_impl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/mboard_impl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/serdes_ctrl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/serdes_ctrl.hpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_iface.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_iface.hpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_impl.cpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_impl.hpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_regs.hpp
-    ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_regs.cpp
-)
+########################################################################
+# Conditionally configure the USRP2 support
+########################################################################
+MESSAGE(STATUS "Configuring USRP2 support...")
+
+IF(DEFINED ENABLE_USRP2)
+    IF(ENABLE_USRP2)
+        MESSAGE(STATUS "USRP2 support enabled by configure flag")
+    ELSE(ENABLE_USRP2)
+        MESSAGE(STATUS "USRP2 support disabled by configure flag")
+    ENDIF(ENABLE_USRP2)
+ELSE(DEFINED ENABLE_USRP2) #not defined: automatic enabling of component
+    SET(ENABLE_USRP2 TRUE)
+ENDIF(DEFINED ENABLE_USRP2)
+SET(ENABLE_USRP2 ${ENABLE_USRP2} CACHE BOOL "enable USRP2 support")
+
+IF(ENABLE_USRP2)
+    MESSAGE(STATUS "  Building USRP2 support.")
+    LIBUHD_APPEND_SOURCES(
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/clock_ctrl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/clock_ctrl.hpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/codec_ctrl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/codec_ctrl.hpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/codec_impl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/dboard_impl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/dboard_iface.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/dsp_impl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/gps_ctrl.hpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/gps_ctrl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/io_impl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/mboard_impl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/serdes_ctrl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/serdes_ctrl.hpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_iface.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_iface.hpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_impl.cpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_impl.hpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_regs.hpp
+        ${CMAKE_SOURCE_DIR}/lib/usrp/usrp2/usrp2_regs.cpp
+    )
+ELSE(ENABLE_USRP2)
+    MESSAGE(STATUS "  Skipping USRP2 support.")
+ENDIF(ENABLE_USRP2)