diff --git a/eo/CMakeLists.txt b/eo/CMakeLists.txt
index eea4df29..7217df60 100644
--- a/eo/CMakeLists.txt
+++ b/eo/CMakeLists.txt
@@ -57,7 +57,7 @@ INCLUDE(ConfigureChecks.cmake)
 INCLUDE(Dart OPTIONNAL)
 
 # now create config headers
-configure_file(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
+CONFIGURE_FILE(config.h.cmake ${CMAKE_CURRENT_BINARY_DIR}/config.h)
 
 # Set a special flag if the environment is windows (should do the same in a config.g file)
 IF (WIN32)
@@ -113,7 +113,11 @@ ADD_SUBDIRECTORY(tutorial)
 ### 6) Install pkg-config config file for EO
 ######################################################################################
 
-INSTALL(FILES eo.pc DESTINATION lib/pkgconfig COMPONENT headers)
+SET(PCPREFIX "/usr")
+SET(PCFLAGS "-leoutils -leo -les -lga -lcma -lgcov")
+SET(PCINCLUDEDIR "eo")
+CONFIGURE_FILE(pc.cmake ${CMAKE_CURRENT_BINARY_DIR}/eo.pc)
+INSTALL(FILES ${CMAKE_CURRENT_BINARY_DIR}/eo.pc DESTINATION lib/pkgconfig COMPONENT headers)
 
 ######################################################################################
 
diff --git a/eo/build_gcc_linux_tutorial b/eo/build_gcc_linux_tutorial
new file mode 100755
index 00000000..f4168fd3
--- /dev/null
+++ b/eo/build_gcc_linux_tutorial
@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+mkdir release
+cd release
+cmake -DENABLE_EO_TUTORIAL=1 ..
+make
+cd ..
diff --git a/eo/build_gcc_linux_unittest b/eo/build_gcc_linux_unittest
new file mode 100755
index 00000000..36220ba0
--- /dev/null
+++ b/eo/build_gcc_linux_unittest
@@ -0,0 +1,7 @@
+#!/usr/bin/env sh
+
+mkdir debug
+cd debug
+cmake -DCMAKE_BUILD_TYPE=Debug -DENABLE_CMAKE_TESTING=1 ..
+make
+cd ..
diff --git a/eo/build_vs2008_release.bat b/eo/build_vs2008_release.bat
new file mode 100644
index 00000000..13513c14
--- /dev/null
+++ b/eo/build_vs2008_release.bat
@@ -0,0 +1,5 @@
+mkdir release
+cd release
+cmake -G "Visual Studio 9 2008" ..
+cd ..
+pause
diff --git a/eo/eo.pc b/eo/eo.pc
deleted file mode 100644
index d15d1081..00000000
--- a/eo/eo.pc
+++ /dev/null
@@ -1,12 +0,0 @@
-# Package Information for pkg-config
-
-prefix=/usr
-exec_prefix=${prefix}
-libdir=${exec_prefix}/lib
-includedir=${prefix}/include/eo
-
-Name: Evolving Object
-Description: Evolving Object
-Version: 1.02-cvs1
-Libs: -L${libdir} -leoutils -leo -les -lga -lcma -leomoo -lgcov
-Cflags: -I${includedir}
diff --git a/eo/pc.cmake b/eo/pc.cmake
new file mode 100644
index 00000000..ad3c17ef
--- /dev/null
+++ b/eo/pc.cmake
@@ -0,0 +1,6 @@
+# Package Information for pkg-config
+Name: @PACKAGE_NAME@
+Description: @PACKAGE_NAME@
+Version: @PROJECT_VERSION@
+Libs: -L@PCPREFIX@/lib @PCFLAGS@
+Cflags: -I@PCPREFIX@/include/@PCINCLUDEDIR@
diff --git a/eo/src/do/make_pop.h b/eo/src/do/make_pop.h
index 76242cab..191ab065 100644
--- a/eo/src/do/make_pop.h
+++ b/eo/src/do/make_pop.h
@@ -57,17 +57,17 @@ template <class EOT>
 eoPop<EOT>&  do_make_pop(eoParser & _parser, eoState& _state, eoInit<EOT> & _init)
 {
   // random seed
-    eoValueParam<uint32_t>& seedParam = _parser.createParam(uint32_t(0), "seed", "Random number seed", 'S');
+    eoValueParam<uint32_t>& seedParam = _parser.getORcreateParam(uint32_t(0), "seed", "Random number seed", 'S');
     if (seedParam.value() == 0)
 	seedParam.value() = time(0);
-    eoValueParam<unsigned>& popSize = _parser.createParam(unsigned(20), "popSize", "Population Size", 'P', "Evolution Engine");
+    eoValueParam<unsigned>& popSize = _parser.getORcreateParam(unsigned(20), "popSize", "Population Size", 'P', "Evolution Engine");
 
   // Either load or initialize
   // create an empty pop and let the state handle the memory
   eoPop<EOT>& pop = _state.takeOwnership(eoPop<EOT>());
 
-  eoValueParam<std::string>& loadNameParam = _parser.createParam(std::string(""), "Load","A save file to restart from",'L', "Persistence" );
-  eoValueParam<bool> & recomputeFitnessParam = _parser.createParam(false, "recomputeFitness", "Recompute the fitness after re-loading the pop.?", 'r',  "Persistence" );
+  eoValueParam<std::string>& loadNameParam = _parser.getORcreateParam(std::string(""), "Load","A save file to restart from",'L', "Persistence" );
+  eoValueParam<bool> & recomputeFitnessParam = _parser.getORcreateParam(false, "recomputeFitness", "Recompute the fitness after re-loading the pop.?", 'r',  "Persistence" );
 
   if (loadNameParam.value() != "") // something to load
     {
diff --git a/eo/src/utils/eoLogger.cpp b/eo/src/utils/eoLogger.cpp
index a0aa36e5..a729d0cf 100644
--- a/eo/src/utils/eoLogger.cpp
+++ b/eo/src/utils/eoLogger.cpp
@@ -26,7 +26,12 @@ Authors:
 
 */
 
+#ifdef _INTERIX
+#include <io.h>
+#else // _INTERIX
 #include <unistd.h>
+#endif // ! _INTERIX
+
 #include <fcntl.h>
 #include <cstdlib>
 #include <cstdio> // used to define EOF
diff --git a/eo/test/CMakeLists.txt b/eo/test/CMakeLists.txt
index 9bf42f16..8536ee0c 100644
--- a/eo/test/CMakeLists.txt
+++ b/eo/test/CMakeLists.txt
@@ -66,6 +66,7 @@ SET (TEST_LIST
   t-eoLogger
   t-eoIQRStat
   t-eoDualFitness
+  t-eoParser
   )
 
 
diff --git a/eo/test/t-eoParser.cpp b/eo/test/t-eoParser.cpp
new file mode 100644
index 00000000..1fd6c7fd
--- /dev/null
+++ b/eo/test/t-eoParser.cpp
@@ -0,0 +1,31 @@
+#include <iostream>
+#include <eo>
+
+int main(int ac, char** av)
+{
+    eoParser parser(ac, av);
+
+    unsigned int alpha1 = parser.createParam(10, "alpha1", "Alpha parameter").value();
+    unsigned int alpha2 = parser.createParam(10, "alpha2", "Alpha parameter").value();
+    unsigned int alpha3 = parser.createParam(10, "alpha3", "Alpha parameter").value();
+    unsigned int alpha4 = parser.createParam(10, "alpha4", "Alpha parameter").value();
+    unsigned int alpha5 = parser.createParam(10, "alpha5", "Alpha parameter").value();
+    unsigned int alpha6 = parser.createParam(10, "alpha6", "Alpha parameter").value();
+
+    if (parser.userNeedsHelp())
+	{
+	    parser.printHelp(std::cout);
+	    exit(1);
+	}
+
+    make_help(parser);
+
+    std::cout << "alpha1: " << alpha1 << std::endl;
+    std::cout << "alpha2: " << alpha2 << std::endl;
+    std::cout << "alpha3: " << alpha3 << std::endl;
+    std::cout << "alpha4: " << alpha4 << std::endl;
+    std::cout << "alpha5: " << alpha5 << std::endl;
+    std::cout << "alpha6: " << alpha6 << std::endl;
+
+    return 0;
+}
diff --git a/eo/tutorial/CMakeLists.txt b/eo/tutorial/CMakeLists.txt
index 4573f0b4..6462b5a5 100644
--- a/eo/tutorial/CMakeLists.txt
+++ b/eo/tutorial/CMakeLists.txt
@@ -2,11 +2,15 @@
 ### 1) Where must cmake go now ?
 ######################################################################################
 
-ADD_SUBDIRECTORY(Lesson1)
-ADD_SUBDIRECTORY(Lesson2)
-ADD_SUBDIRECTORY(Lesson3)
-ADD_SUBDIRECTORY(Lesson4)
-ADD_SUBDIRECTORY(Lesson5)
-ADD_SUBDIRECTORY(Lesson6)
+IF(ENABLE_EO_TUTORIAL)
+
+  ADD_SUBDIRECTORY(Lesson1)
+  ADD_SUBDIRECTORY(Lesson2)
+  ADD_SUBDIRECTORY(Lesson3)
+  ADD_SUBDIRECTORY(Lesson4)
+  ADD_SUBDIRECTORY(Lesson5)
+  ADD_SUBDIRECTORY(Lesson6)
+
+ENDIF()
 
 ######################################################################################