diff --git a/.cproject b/.cproject
index 3ab1fad71..63cf57632 100644
--- a/.cproject
+++ b/.cproject
@@ -22,7 +22,7 @@
 					<folderInfo id="0.2079208171." name="/" resourcePath="">
 						<toolChain id="org.eclipse.cdt.build.core.prefbase.toolchain.2084203071" name="No ToolChain" resourceTypeBasedDiscovery="false" superClass="org.eclipse.cdt.build.core.prefbase.toolchain">
 							<targetPlatform binaryParser="org.eclipse.cdt.core.MachO64;org.eclipse.cdt.core.ELF" id="org.eclipse.cdt.build.core.prefbase.toolchain.2084203071.81924294" name=""/>
-							<builder arguments="CFLAGS=&quot;-g -Werror -Wall&quot;" command="make" id="org.eclipse.cdt.build.core.settings.default.builder.731584538" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="org.eclipse.cdt.build.core.settings.default.builder"/>
+							<builder arguments="CFLAGS=&quot;-g -Werror -Wall&quot; CXXFLAGS=&quot;-g&quot;" command="make" id="org.eclipse.cdt.build.core.settings.default.builder.731584538" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="org.eclipse.cdt.build.core.settings.default.builder"/>
 							<tool id="org.eclipse.cdt.build.core.settings.holder.libs.1252970003" name="holder for library settings" superClass="org.eclipse.cdt.build.core.settings.holder.libs"/>
 							<tool id="org.eclipse.cdt.build.core.settings.holder.1371414073" name="GNU C++" superClass="org.eclipse.cdt.build.core.settings.holder">
 								<inputType id="org.eclipse.cdt.build.core.settings.holder.inType.306286573" languageId="org.eclipse.cdt.core.g++" languageName="GNU C++" sourceContentType="org.eclipse.cdt.core.cxxSource,org.eclipse.cdt.core.cxxHeader" superClass="org.eclipse.cdt.build.core.settings.holder.inType"/>
@@ -35,221 +35,167 @@
 							</tool>
 						</toolChain>
 					</folderInfo>
+					<fileInfo id="0.2079208171.129489708" name="mediastreamer-config.h" rcbsApplicability="disable" resourcePath="mediastreamer2/mediastreamer-config.h" toolsToInvoke="org.eclipse.cdt.build.core.settings.holder.1371414073.1809017452">
+						<tool id="org.eclipse.cdt.build.core.settings.holder.1371414073.1809017452" name="GNU C++" superClass="org.eclipse.cdt.build.core.settings.holder.1371414073"/>
+					</fileInfo>
 				</configuration>
 			</storageModule>
 			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
 			<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>
 			<storageModule moduleId="org.eclipse.cdt.core.language.mapping"/>
-			<storageModule moduleId="scannerConfiguration">
-				<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
-				<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerProjectProfile">
-					<buildOutputProvider>
-						<openAction enabled="true" filePath=""/>
-						<parser enabled="true"/>
-					</buildOutputProvider>
-					<scannerInfoProvider id="specsFile">
-						<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="gcc" useDefault="true"/>
-						<parser enabled="true"/>
-					</scannerInfoProvider>
-				</profile>
-				<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerFileProfile">
-					<buildOutputProvider>
-						<openAction enabled="true" filePath=""/>
-						<parser enabled="true"/>
-					</buildOutputProvider>
-					<scannerInfoProvider id="makefileGenerator">
-						<runAction arguments="-f ${project_name}_scd.mk" command="make" useDefault="true"/>
-						<parser enabled="true"/>
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-				</profile>
-				<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfile">
-					<buildOutputProvider>
-						<openAction enabled="true" filePath=""/>
-						<parser enabled="true"/>
-					</buildOutputProvider>
-					<scannerInfoProvider id="specsFile">
-						<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="gcc" useDefault="true"/>
-						<parser enabled="true"/>
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-				<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP">
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-						<openAction enabled="true" filePath=""/>
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-					<scannerInfoProvider id="specsFile">
-						<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.cpp" command="g++" useDefault="true"/>
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-				<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC">
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-						<openAction enabled="true" filePath=""/>
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-					<scannerInfoProvider id="specsFile">
-						<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.c" command="gcc" useDefault="true"/>
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-				</profile>
-				<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfile">
-					<buildOutputProvider>
-						<openAction enabled="true" filePath=""/>
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-					<scannerInfoProvider id="specsFile">
-						<runAction arguments="-c 'gcc -E -P -v -dD &quot;${plugin_state_location}/${specs_file}&quot;'" command="sh" useDefault="true"/>
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-				<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfileCPP">
-					<buildOutputProvider>
-						<openAction enabled="true" filePath=""/>
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-					<scannerInfoProvider id="specsFile">
-						<runAction arguments="-c 'g++ -E -P -v -dD &quot;${plugin_state_location}/specs.cpp&quot;'" command="sh" useDefault="true"/>
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-						<openAction enabled="true" filePath=""/>
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-					<scannerInfoProvider id="specsFile">
-						<runAction arguments="-c 'gcc -E -P -v -dD &quot;${plugin_state_location}/specs.c&quot;'" command="sh" useDefault="true"/>
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-					<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerProjectProfile">
-						<buildOutputProvider>
-							<openAction enabled="true" filePath=""/>
-							<parser enabled="true"/>
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-						<scannerInfoProvider id="specsFile">
-							<runAction arguments="discovery" command="make discovery" useDefault="true"/>
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-					<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerFileProfile">
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-							<openAction enabled="true" filePath=""/>
-							<parser enabled="true"/>
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-						<scannerInfoProvider id="makefileGenerator">
-							<runAction arguments="-f ${project_name}_scd.mk" command="make" useDefault="true"/>
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-					<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfile">
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-							<openAction enabled="true" filePath=""/>
-							<parser enabled="true"/>
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-						<scannerInfoProvider id="specsFile">
-							<runAction arguments="-s -C src discovery" command="make" useDefault="true"/>
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-					<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP">
-						<buildOutputProvider>
-							<openAction enabled="true" filePath=""/>
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-						<scannerInfoProvider id="specsFile">
-							<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.cpp" command="g++" useDefault="true"/>
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-					<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC">
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-						<scannerInfoProvider id="specsFile">
-							<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.c" command="gcc" useDefault="true"/>
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-					<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfile">
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-							<openAction enabled="true" filePath=""/>
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-						<scannerInfoProvider id="specsFile">
-							<runAction arguments="-c 'gcc -E -P -v -dD &quot;${plugin_state_location}/${specs_file}&quot;'" command="sh" useDefault="true"/>
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-					<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfileCPP">
-						<buildOutputProvider>
-							<openAction enabled="true" filePath=""/>
-							<parser enabled="true"/>
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-						<scannerInfoProvider id="specsFile">
-							<runAction arguments="-c 'g++ -E -P -v -dD &quot;${plugin_state_location}/specs.cpp&quot;'" command="sh" useDefault="true"/>
-							<parser enabled="true"/>
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-					</profile>
-					<profile id="org.eclipse.cdt.managedbuilder.core.GCCWinManagedMakePerProjectProfileC">
-						<buildOutputProvider>
-							<openAction enabled="true" filePath=""/>
-							<parser enabled="true"/>
-						</buildOutputProvider>
-						<scannerInfoProvider id="specsFile">
-							<runAction arguments="-c 'gcc -E -P -v -dD &quot;${plugin_state_location}/specs.c&quot;'" command="sh" useDefault="true"/>
-							<parser enabled="true"/>
-						</scannerInfoProvider>
-					</profile>
-				</scannerConfigBuildInfo>
-			</storageModule>
-			<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets">
-				<buildTargets>
-					<target name="test" path="mediastreamer2/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
-						<buildCommand>make</buildCommand>
-						<buildTarget>all</buildTarget>
-						<stopOnError>true</stopOnError>
-						<useDefaultCommand>true</useDefaultCommand>
-						<runAllBuilders>true</runAllBuilders>
-					</target>
-					<target name="all" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
-						<buildCommand>make</buildCommand>
-						<buildArguments>CFLAGS="-g"</buildArguments>
-						<buildTarget>install</buildTarget>
-						<stopOnError>true</stopOnError>
-						<useDefaultCommand>true</useDefaultCommand>
-						<runAllBuilders>true</runAllBuilders>
-					</target>
-					<target name="install" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
-						<buildCommand>make</buildCommand>
-						<buildArguments>CFLAGS="-g"</buildArguments>
-						<buildTarget>install</buildTarget>
-						<stopOnError>true</stopOnError>
-						<useDefaultCommand>true</useDefaultCommand>
-						<runAllBuilders>true</runAllBuilders>
-					</target>
-					<target name="doc" path="coreapi/help" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
-						<buildCommand>make</buildCommand>
-						<buildTarget>all</buildTarget>
-						<stopOnError>true</stopOnError>
-						<useDefaultCommand>true</useDefaultCommand>
-						<runAllBuilders>true</runAllBuilders>
-					</target>
-					<target name="doc" path="mediastreamer2/help" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
-						<buildCommand>make</buildCommand>
-						<buildTarget>all</buildTarget>
-						<stopOnError>true</stopOnError>
-						<useDefaultCommand>true</useDefaultCommand>
-						<runAllBuilders>true</runAllBuilders>
-					</target>
-				</buildTargets>
-			</storageModule>
 		</cconfiguration>
 	</storageModule>
 	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
 		<project id="linphone.null.1149313048" name="linphone"/>
 	</storageModule>
+	<storageModule moduleId="refreshScope" versionNumber="1">
+		<resource resourceType="PROJECT" workspacePath="/linphone"/>
+	</storageModule>
+	<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets">
+		<buildTargets>
+			<target name="test" path="mediastreamer2/tests" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildTarget>all</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+			<target name="all" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildArguments>CFLAGS="-g"</buildArguments>
+				<buildTarget>install</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+			<target name="install" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildArguments>CFLAGS="-g"</buildArguments>
+				<buildTarget>install</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+			<target name="doc" path="coreapi/help" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildTarget>all</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+			<target name="doc" path="mediastreamer2/help" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
+				<buildCommand>make</buildCommand>
+				<buildTarget>all</buildTarget>
+				<stopOnError>true</stopOnError>
+				<useDefaultCommand>true</useDefaultCommand>
+				<runAllBuilders>true</runAllBuilders>
+			</target>
+		</buildTargets>
+	</storageModule>
+	<storageModule moduleId="scannerConfiguration">
+		<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+		<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerProjectProfile">
+			<buildOutputProvider>
+				<openAction enabled="true" filePath=""/>
+				<parser enabled="true"/>
+			</buildOutputProvider>
+			<scannerInfoProvider id="specsFile">
+				<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="gcc" useDefault="true"/>
+				<parser enabled="true"/>
+			</scannerInfoProvider>
+		</profile>
+		<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerFileProfile">
+			<buildOutputProvider>
+				<openAction enabled="true" filePath=""/>
+				<parser enabled="true"/>
+			</buildOutputProvider>
+			<scannerInfoProvider id="makefileGenerator">
+				<runAction arguments="-f ${project_name}_scd.mk" command="make" useDefault="true"/>
+				<parser enabled="true"/>
+			</scannerInfoProvider>
+		</profile>
+		<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfile">
+			<buildOutputProvider>
+				<openAction enabled="true" filePath=""/>
+				<parser enabled="true"/>
+			</buildOutputProvider>
+			<scannerInfoProvider id="specsFile">
+				<runAction arguments="-E -P -v -dD ${plugin_state_location}/${specs_file}" command="gcc" useDefault="true"/>
+				<parser enabled="true"/>
+			</scannerInfoProvider>
+		</profile>
+		<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP">
+			<buildOutputProvider>
+				<openAction enabled="true" filePath=""/>
+				<parser enabled="true"/>
+			</buildOutputProvider>
+			<scannerInfoProvider id="specsFile">
+				<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.cpp" command="g++" useDefault="true"/>
+				<parser enabled="true"/>
+			</scannerInfoProvider>
+		</profile>
+		<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC">
+			<buildOutputProvider>
+				<openAction enabled="true" filePath=""/>
+				<parser enabled="true"/>
+			</buildOutputProvider>
+			<scannerInfoProvider id="specsFile">
+				<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.c" command="gcc" useDefault="true"/>
+				<parser enabled="true"/>
+			</scannerInfoProvider>
+		</profile>
+		<scannerConfigBuildInfo instanceId="0.2079208171">
+			<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfile"/>
+			<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerProjectProfile">
+				<buildOutputProvider>
+					<openAction enabled="true" filePath=""/>
+					<parser enabled="true"/>
+				</buildOutputProvider>
+				<scannerInfoProvider id="specsFile">
+					<runAction arguments="discovery" command="make discovery" useDefault="true"/>
+					<parser enabled="true"/>
+				</scannerInfoProvider>
+			</profile>
+			<profile id="org.eclipse.cdt.make.core.GCCStandardMakePerFileProfile">
+				<buildOutputProvider>
+					<openAction enabled="true" filePath=""/>
+					<parser enabled="true"/>
+				</buildOutputProvider>
+				<scannerInfoProvider id="makefileGenerator">
+					<runAction arguments="-f ${project_name}_scd.mk" command="make" useDefault="true"/>
+					<parser enabled="true"/>
+				</scannerInfoProvider>
+			</profile>
+			<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfile">
+				<buildOutputProvider>
+					<openAction enabled="true" filePath=""/>
+					<parser enabled="true"/>
+				</buildOutputProvider>
+				<scannerInfoProvider id="specsFile">
+					<runAction arguments="-s discovery" command="make" useDefault="true"/>
+					<parser enabled="true"/>
+				</scannerInfoProvider>
+			</profile>
+			<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileCPP">
+				<buildOutputProvider>
+					<openAction enabled="true" filePath=""/>
+					<parser enabled="true"/>
+				</buildOutputProvider>
+				<scannerInfoProvider id="specsFile">
+					<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.cpp" command="g++" useDefault="true"/>
+					<parser enabled="true"/>
+				</scannerInfoProvider>
+			</profile>
+			<profile id="org.eclipse.cdt.managedbuilder.core.GCCManagedMakePerProjectProfileC">
+				<buildOutputProvider>
+					<openAction enabled="true" filePath=""/>
+					<parser enabled="true"/>
+				</buildOutputProvider>
+				<scannerInfoProvider id="specsFile">
+					<runAction arguments="-E -P -v -dD ${plugin_state_location}/specs.c" command="gcc" useDefault="true"/>
+					<parser enabled="true"/>
+				</scannerInfoProvider>
+			</profile>
+		</scannerConfigBuildInfo>
+	</storageModule>
 </cproject>
diff --git a/.project b/.project
index 2fbbd2688..dcc5fd75c 100644
--- a/.project
+++ b/.project
@@ -23,7 +23,7 @@
 				</dictionary>
 				<dictionary>
 					<key>org.eclipse.cdt.make.core.buildArguments</key>
-					<value>CFLAGS=&quot;-g -Werror -Wall&quot;</value>
+					<value>CFLAGS=&quot;-g -Werror -Wall&quot; CXXFLAGS=&quot;-g&quot;</value>
 				</dictionary>
 				<dictionary>
 					<key>org.eclipse.cdt.make.core.buildCommand</key>
diff --git a/Makefile.am b/Makefile.am
index 5be271da4..6faebc4fc 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -229,4 +229,7 @@ clean-local:
 	rm -rf $(BUNDLEDIR)
 discovery:
 	touch specs.cpp
-	$(CC) $(CFLAGS) $(MEDIASTREAMER2_CFLAGS) $(ORTP_CFLAGS) -E -P -v -dD specs.cpp
+	$(CC) --include $(top_builddir)/config.h \
+          --include $(top_builddir)/mediastreamer2/mediastreamer-config.h  \
+          --include $(top_builddir)/oRTP/ortp-config.h \
+          $(TUNNEL_CFLAGS) $(CFLAGS) $(MEDIASTREAMER2_CFLAGS) $(ORTP_CFLAGS) -E -P -v -dD specs.cpp