diff --git a/CMakeLists.txt b/CMakeLists.txt
index 401f0f5..841bc40 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ set(CMAKE_CXX_FLAGS "-std=c++11 -Wall")
 find_package(Git)
 if(GIT_FOUND)
     EXECUTE_PROCESS(COMMAND ${GIT_EXECUTABLE} describe --tags --always --dirty OUTPUT_VARIABLE VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
-    STRING(REGEX REPLACE "^v(.*)" "\\1" VERSION ${VERSION})
+    STRING(REGEX REPLACE "^v(.*)" "\\1" VERSION "${VERSION}")
     add_definitions("-DVERSION=\"${VERSION}\"")
 endif()
 
@@ -54,16 +54,15 @@ endif (ALSA_LIBRARY)
 
 # LOG4CPP
 find_path(LOG4CPP_INCLUDE_DIR log4cpp/Category.hh)
-if (NOT LOG4CPP_INCLUDE_DIR)
-        message(STATUS "Installing liblog4cpp5-dev.")
-        EXEC_PROGRAM("sudo apt-get install -y liblog4cpp5-dev")
-endif (NOT LOG4CPP_INCLUDE_DIR)
+if (LOG4CPP_INCLUDE_DIR)
+        message(STATUS "Log4Cpp available")
+	set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHAVE_LOG4CPP")
+	include_directories(${LOG4CPP_INCLUDE_DIR}) 
 
-find_path(V4L2_INCLUDE_DIR log4cpp/Category.hh)
-include_directories(${LOG4CPP_INCLUDE_DIR}) 
+	find_library(LOG4CPP_LIBRARY log4cpp)
+	target_link_libraries(${PROJECT_NAME} "${LOG4CPP_LIBRARY}")
+endif (LOG4CPP_INCLUDE_DIR)
 
-find_library(LOG4CPP_LIBRARY log4cpp)
-target_link_libraries(${PROJECT_NAME} "${LOG4CPP_LIBRARY}")
 
 # live555
 find_path(LIBLIVE555_INCLUDE_DIR liveMedia/liveMedia.hh)
diff --git a/README.md b/README.md
index efdf223..c56c241 100644
--- a/README.md
+++ b/README.md
@@ -24,15 +24,11 @@ The HTTP server support :
 - HLS
 - MPEG-DASH
 
-License
-------------
-Domain public 
-
 Dependencies
 ------------
  - liblivemedia-dev [License LGPL](http://www.live555.com/liveMedia/) > live.2012.01.07 (need StreamReplicator)
- - liblog4cpp5-dev  [License LGPL](http://log4cpp.sourceforge.net/#license)
  - libv4l2cpp [Unlicense](https://github.com/mpromonet/libv4l2cpp/blob/master/LICENSE)
+ - liblog4cpp5-dev  [License LGPL](http://log4cpp.sourceforge.net/#license) (optional)
 
 Usage
 -----
diff --git a/inc/SegmentServerMediaSubsession.h b/inc/SegmentServerMediaSubsession.h
index cafdcad..2622ca5 100644
--- a/inc/SegmentServerMediaSubsession.h
+++ b/inc/SegmentServerMediaSubsession.h
@@ -9,6 +9,7 @@
 
 #pragma once
 
+#include <map>
 #include "UnicastServerMediaSubsession.h"
 
 // -----------------------------------------
diff --git a/src/main.cpp b/src/main.cpp
index b5572cb..52e1593 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -263,6 +263,17 @@ void decodeDevice(const std::string & device, std::string & videoDev, std::strin
 	getline(is, audioDev);						
 }
 
+std::string getDeviceName(const std::string & devicePath)
+{
+	std::string deviceName(devicePath);
+	size_t pos = deviceName.find_last_of('/');
+	if (pos != std::string::npos) {
+		deviceName.erase(0,pos+1);
+	}
+	return deviceName;
+}
+
+
 /* ---------------------------------------------------------------------------
 **  get a "deviceid" from uevent sys file
 ** -------------------------------------------------------------------------*/
@@ -338,7 +349,7 @@ std::string  getV4l2Alsa(const std::string& v4l2device) {
 		}
 	}
 
-	auto deviceId  = videodevices.find(basename(v4l2device.c_str()));
+	auto deviceId  = videodevices.find(getDeviceName(v4l2device));
 	if (deviceId != videodevices.end()) {
 		auto audioDeviceIt = audiodevices.find(deviceId->second);
 		
@@ -388,6 +399,10 @@ int main(int argc, char** argv)
 #ifdef HAVE_ALSA	
 	snd_pcm_format_t audioFmt = SND_PCM_FORMAT_S16_BE;
 #endif	
+	const char* defaultPort = getenv("PORT");
+	if (defaultPort != NULL) {
+		rtspPort = atoi(defaultPort);
+	}
 
 	// decode parameters
 	int c = 0;     
@@ -532,7 +547,7 @@ int main(int argc, char** argv)
 			std::string baseUrl;
 			if (devList.size() > 1)
 			{
-				baseUrl = basename(videoDev.c_str());
+				baseUrl = getDeviceName(videoDev);
 				baseUrl.append("/");
 			}	
 			MPEG2TransportStreamFromESSource* muxer = NULL;