Index: trunk/BNC/src/src.pri
===================================================================
--- trunk/BNC/src/src.pri	(revision 6037)
+++ trunk/BNC/src/src.pri	(revision 6038)
@@ -63,10 +63,5 @@
           rinex/graphwin.h         rinex/polarplot.h                  \
           rinex/availplot.h        rinex/eleplot.h                    \
-          rinex/dopplot.h                                             \
-          PPP/pppInclude.h   PPP/pppOptions.h   PPP/pppMain.h         \
-          PPP/pppWidgets.h   PPP/pppThread.h    PPP/pppClient.h       \
-          PPP/pppObsPool.h   PPP/pppStation.h   PPP/pppFilter.h       \
-          PPP/pppEphPool.h   PPP/pppModel.h     PPP/pppParlist.h      \
-          PPP/pppSatObs.h    PPP/pppRun.h       PPP/pppCrdFile.h
+          rinex/dopplot.h
 
 HEADERS       += serial/qextserialbase.h serial/qextserialport.h
@@ -101,10 +96,5 @@
           rinex/graphwin.cpp       rinex/polarplot.cpp                \
           rinex/availplot.cpp      rinex/eleplot.cpp                  \
-          rinex/dopplot.cpp                                           \
-                             PPP/pppOptions.cpp PPP/pppMain.cpp       \
-          PPP/pppWidgets.cpp PPP/pppThread.cpp  PPP/pppClient.cpp     \
-          PPP/pppObsPool.cpp PPP/pppStation.cpp PPP/pppFilter.cpp     \
-          PPP/pppEphPool.cpp PPP/pppModel.cpp   PPP/pppParlist.cpp    \
-          PPP/pppSatObs.cpp  PPP/pppRun.cpp     PPP/pppCrdFile.cpp
+          rinex/dopplot.cpp
 
 SOURCES       += serial/qextserialbase.cpp serial/qextserialport.cpp
@@ -120,4 +110,18 @@
   HEADERS += combination/bnccomb.h
   SOURCES += combination/bnccomb.cpp
+}
+
+exists(PPP) {
+  DEFINES += USE_PPP
+  HEADERS += PPP/pppInclude.h   PPP/pppOptions.h   PPP/pppMain.h     \
+             PPP/pppWidgets.h   PPP/pppThread.h    PPP/pppClient.h   \
+             PPP/pppObsPool.h   PPP/pppStation.h   PPP/pppFilter.h   \
+             PPP/pppEphPool.h   PPP/pppModel.h     PPP/pppParlist.h  \
+             PPP/pppSatObs.h    PPP/pppRun.h       PPP/pppCrdFile.h
+  SOURCES +=                    PPP/pppOptions.cpp PPP/pppMain.cpp    \
+             PPP/pppWidgets.cpp PPP/pppThread.cpp  PPP/pppClient.cpp  \
+             PPP/pppObsPool.cpp PPP/pppStation.cpp PPP/pppFilter.cpp  \
+             PPP/pppEphPool.cpp PPP/pppModel.cpp   PPP/pppParlist.cpp \
+             PPP/pppSatObs.cpp  PPP/pppRun.cpp     PPP/pppCrdFile.cpp
 }