diff --git a/include-gpl/dsp/interpolator.h b/include-gpl/dsp/interpolator.h
index f51f3ff..ae91062 100644
--- a/include-gpl/dsp/interpolator.h
+++ b/include-gpl/dsp/interpolator.h
@@ -5,7 +5,9 @@
 #include "dsp/dsptypes.h"
 #include "util/export.h"
 #include <stdio.h>
+#ifndef WIN32
 #include <unistd.h>
+#endif
 
 class SDRANGELOVE_API Interpolator {
 public:
diff --git a/include/gui/basicchannelsettingswidget.h b/include/gui/basicchannelsettingswidget.h
index 072cda1..8782bba 100644
--- a/include/gui/basicchannelsettingswidget.h
+++ b/include/gui/basicchannelsettingswidget.h
@@ -2,6 +2,7 @@
 #define INCLUDE_BASICCHANNELSETTINGSWIDGET_H
 
 #include <QWidget>
+#include "util/export.h"
 
 namespace Ui {
 	class BasicChannelSettingsWidget;
@@ -9,7 +10,7 @@ namespace Ui {
 
 class ChannelMarker;
 
-class BasicChannelSettingsWidget : public QWidget {
+class SDRANGELOVE_API BasicChannelSettingsWidget : public QWidget {
 	Q_OBJECT
 
 public:
diff --git a/plugins/samplesource/gnuradio/CMakeLists.txt b/plugins/samplesource/gnuradio/CMakeLists.txt
index 16f37aa..0e08608 100644
--- a/plugins/samplesource/gnuradio/CMakeLists.txt
+++ b/plugins/samplesource/gnuradio/CMakeLists.txt
@@ -9,7 +9,7 @@ if(UNIX AND NOT BOOST_ROOT AND EXISTS "/usr/lib64")
     list(APPEND BOOST_LIBRARYDIR "/usr/lib64") #fedora 64-bit fix
 endif(UNIX AND NOT BOOST_ROOT AND EXISTS "/usr/lib64")
 
-find_package(Boost)
+find_package(Boost COMPONENTS system)
 
 if(NOT GNURADIO_RUNTIME_FOUND AND GNURADIO_OSMOSDR_FOUND)