diff --git a/configure.ac b/configure.ac
index 1ffd2ec..93176b3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,8 +70,8 @@ AS_IF([test "x$with_soapy" != xno], [PKG_CHECK_MODULES(SOAPY, SoapySDR >= 0.6.0,
 AM_CONDITIONAL(HAVE_UHD, test "x$with_uhd" == "xyes" )
 AM_CONDITIONAL(HAVE_SOAPY, test "x$with_soapy" == "xyes" )
 AM_CONDITIONAL(HAVE_SDR, test "x$with_sdr" == "xyes" )
-AS_IF([test "x$with_uhd" == "xyes"],[AC_MSG_NOTICE( Compiling with UHD SDR support )], [AC_MSG_NOTICE( UHD SDR not supported )])
-AS_IF([test "x$with_soapy" == "xyes"],[AC_MSG_NOTICE( Compiling with SoapySDR support )], [AC_MSG_NOTICE( SoapySDR not supported )])
+AS_IF([test "x$with_uhd" == "xyes"],[AC_MSG_NOTICE( Compiling with UHD SDR support )], [AC_MSG_NOTICE( UHD SDR not supported. Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. )])
+AS_IF([test "x$with_soapy" == "xyes"],[AC_MSG_NOTICE( Compiling with SoapySDR support )], [AC_MSG_NOTICE( SoapySDR not supported. Consider adjusting the PKG_CONFIG_PATH environment variable if you installed software in a non-standard prefix. )])
 AS_IF([test "x$somethingmagick" == "xyes"],[AC_MSG_NOTICE( Compiling with ImageMagick )],[AC_MSG_NOTICE( ImageMagick not supported )])
 
 AC_OUTPUT(
diff --git a/src/anetz/besetztton.c b/src/common/besetztton.c
similarity index 100%
rename from src/anetz/besetztton.c
rename to src/common/besetztton.c
diff --git a/src/anetz/besetztton.h b/src/common/besetztton.h
similarity index 100%
rename from src/anetz/besetztton.h
rename to src/common/besetztton.h
diff --git a/src/anetz/freiton.c b/src/common/freiton.c
similarity index 100%
rename from src/anetz/freiton.c
rename to src/common/freiton.c
diff --git a/src/anetz/freiton.h b/src/common/freiton.h
similarity index 100%
rename from src/anetz/freiton.h
rename to src/common/freiton.h