diff --git a/configure.ac b/configure.ac
index 29e73282..8484320e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,14 +11,16 @@ AC_CHECK_HEADERS([arpa/inet.h \
 		  pthread.h \
 		  sys/ioctl.h \
 		  sys/select.h \
+		  sys/time.h \
+		  time.h \
 		  termios.h])
 
 AC_CHECK_LIB([pthread], [pthread_setname_np],
 	AC_DEFINE([HAVE_PTHREAD_SETNAME_NP], [1], ["Define to 1 if pthread has pthread_setname_np."]),
 	AC_MSG_RESULT([Could not find pthread_setname_np in pthread.]))
 
-AC_CHECK_FUNC([pselect], [AC_DEFINE(HAVE_PSELECT, [1], [Define to 1 if pselect() is available.])])
-AC_CHECK_FUNC([ppoll], [AC_DEFINE(HAVE_PPOLL, [1], [Define to 1 if ppoll() is available.])])
+AC_CHECK_FUNC([pselect], [AC_DEFINE(HAVE_PSELECT, [1], ["Define to 1 if pselect() is available."])])
+AC_CHECK_FUNC([ppoll], [AC_DEFINE(HAVE_PPOLL, [1], ["Define to 1 if ppoll() is available."])])
 
 AC_CONFIG_AUX_DIR([build])
 AC_CONFIG_SRCDIR([src/ebusd/ebusd.cpp])
@@ -44,4 +46,6 @@ AM_INIT_AUTOMAKE([1.11 -Wall -Werror foreign])
 m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 AC_PROG_RANLIB
 
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
 AC_OUTPUT
diff --git a/src/ebusd/Makefile.am b/src/ebusd/Makefile.am
index b1f2b13f..a5a747dd 100644
--- a/src/ebusd/Makefile.am
+++ b/src/ebusd/Makefile.am
@@ -1,8 +1,8 @@
 AM_CXXFLAGS = -fpic \
 	      -Wall \
 	      -Wextra \
-	      -I$(top_srcdir)/src/lib/utils \
-	      -I$(top_srcdir)/src/lib/ebus
+	      -isystem$(top_srcdir)/src/lib/utils \
+	      -isystem$(top_srcdir)/src/lib/ebus
 
 bin_PROGRAMS = ebusd
 
diff --git a/src/lib/ebus/Makefile.am b/src/lib/ebus/Makefile.am
index a0c1c0e2..9b53e6e7 100644
--- a/src/lib/ebus/Makefile.am
+++ b/src/lib/ebus/Makefile.am
@@ -1,7 +1,7 @@
 AM_CXXFLAGS = -fpic \
 	      -Wall \
 	      -Wextra \
-	      -I$(top_srcdir)/src/lib/utils
+	      -isystem$(top_srcdir)/src/lib/utils
 
 noinst_LIBRARIES = libebus.a
 
diff --git a/src/lib/ebus/port.cpp b/src/lib/ebus/port.cpp
index df169e45..297be502 100644
--- a/src/lib/ebus/port.cpp
+++ b/src/lib/ebus/port.cpp
@@ -294,12 +294,13 @@ ssize_t Port::recv(const long timeout, size_t maxCount, unsigned char* buffer)
 	ssize_t ret = m_device->recvBytes(timeout, maxCount, buffer);
 	if (buffer && ret > 0) {
 		if (m_logRaw == true && m_logRawFunc != NULL) {
-			for (size_t pos = 0; pos < ret; pos++)
+			for (ssize_t pos = 0; pos < ret; pos++)
 				(*m_logRawFunc)(buffer[pos], true);
 		}
 
 		if (m_dumpRaw == true && m_dumpRawStream.is_open() == true) {
 			m_dumpRawStream.write((char*)buffer, ret);
+			m_dumpRawStream.flush();
 
 			if (m_dumpRawStream.tellp() >= m_dumpRawMaxSize * 1024) {
 				string oldfile = m_dumpRawFile + ".old";
diff --git a/src/lib/ebus/test/Makefile.am b/src/lib/ebus/test/Makefile.am
index ac8369f7..81622ba6 100644
--- a/src/lib/ebus/test/Makefile.am
+++ b/src/lib/ebus/test/Makefile.am
@@ -1,8 +1,8 @@
 AM_CXXFLAGS = -fpic \
 	      -Wall \
 	      -Wextra \
-	      -I$(top_srcdir)/src/lib/ebus \
-	      -I$(top_srcdir)/src/lib/utils
+	      -isystem$(top_srcdir)/src/lib/ebus \
+	      -isystem$(top_srcdir)/src/lib/utils
 
 noinst_PROGRAMS = test_port \
 		  test_symbol \
diff --git a/src/lib/ebus/test/command.csv b/src/lib/ebus/test/command.csv
deleted file mode 100644
index 9e2cb5f6..00000000
--- a/src/lib/ebus/test/command.csv
+++ /dev/null
@@ -1,4 +0,0 @@
-# type;class;cmd;comment;QQ;ZZ;PBSB;NN;D1D2D3;elements;sub;part;position;datatype;factor;unit;valid;comment;sub;part;position;datatype;factor;unit;valid;comment;sub;part;position;datatype;factor;unit;valid;comment;sub;part;position;datatype;factor;unit;valid;comment
-c;broad;date_time_temp;Datum, Uhrzeit und Aussentempertur;;FE;0700;9;-;4;temp;md;1,2;d2b;1.0;°C;-;Temperatur;day;md;8;bdy;-;-;-;Wochentag;date;md;6,7,9;bda;-;-;-;Datum;time;md;5,4,3;bti;-;-;-;Uhrzeit
-g;ci;Password;Kennwort;;15;B509;3;0D2C00;4;pin1;sd;1;uch;-;-;-;Pin 1;pin2;sd;2;uch;-;-;-;Pin 2;pin3;sd;3;uch;-;-;-;Pin 3;pin4;sd;4;uch;-;-;-;Pin 4
-s;vwxmk;DesiredTemp;Solltemperatur;;50;B509;4;0E3200;1;-;sd;1;d1c;1.0;°C;-;-;;;;;;;;;;;;;;;;;;;;;;;;
diff --git a/src/tools/Makefile.am b/src/tools/Makefile.am
index 5c0a025a..e09cfe04 100644
--- a/src/tools/Makefile.am
+++ b/src/tools/Makefile.am
@@ -1,8 +1,8 @@
 AM_CXXFLAGS = -fpic \
 	      -Wall \
 	      -Wextra \
-	      -I$(top_srcdir)/src/lib/utils \
-	      -I$(top_srcdir)/src/lib/ebus
+	      -isystem$(top_srcdir)/src/lib/utils \
+	      -isystem$(top_srcdir)/src/lib/ebus
 
 bin_PROGRAMS = ebusctl \
 	       ebusfeed