diff --git a/configure.ac b/configure.ac
index cbfa876..7ef3264 100644
--- a/configure.ac
+++ b/configure.ac
@@ -27,43 +27,34 @@ m4_ifdef([AM_PROG_AR],[AM_PROG_AR])
 LT_INIT
 
 # Options
-AC_ARG_ENABLE([SSE],
-	[AS_HELP_STRING([--enable-SSE],
-		[compiles SSE version of ranlux random generator])],
-	[AC_DEFINE([HAVE_SSE],
-				[1],
-				[Define to 1 if your CPU support SSE instructions.])])
 AC_ARG_WITH([gsl],
     [AS_HELP_STRING([--with-gsl=prefix],
 		[try this for a non-standard install prefix of the GSL library])],
-    [AM_CFLAGS="$AM_CFLAGS -I$with_gsl/include"]
 	[AM_CXXFLAGS="$AM_CXXFLAGS -I$with_gsl/include"]
 	[AM_LDFLAGS="$AM_LDFLAGS -L$with_gsl/lib"])
-AC_ARG_WITH([Minuit2],
-    [AS_HELP_STRING([--with-Minuit2=prefix],
+AC_ARG_WITH([minuit],
+    [AS_HELP_STRING([--with-minuit=prefix],
 		[try this for a non-standard install prefix of the Minuit2 library])],
-    [AM_CFLAGS="$AM_CFLAGS -I$with_Minuit2/include"]
-    [AM_CXXFLAGS="$AM_CXXFLAGS -I$with_Minuit2/include"]
-	[AM_LDFLAGS="$AM_LDFLAGS -L$with_Minuit2/lib"])
+    [AM_CXXFLAGS="$AM_CXXFLAGS -I$with_minuit/include"]
+	[AM_LDFLAGS="$AM_LDFLAGS -L$with_minuit/lib"])
 AC_ARG_WITH([nlopt],
     [AS_HELP_STRING([--with-nlopt=prefix],
-        [try this for a non-standard install prefix of the nlopt library])],
-    [AM_CFLAGS="$AM_CFLAGS -I$with_nlopt/include"]
+        [try this for a non-standard install prefix of the NLopt library])],
     [AM_CXXFLAGS="$AM_CXXFLAGS -I$with_nlopt/include"]
     [AM_LDFLAGS="$AM_LDFLAGS -L$with_nlopt/lib"])
-AC_ARG_WITH([LatCore],
-    [AS_HELP_STRING([--with-LatCore=prefix],
+AC_ARG_WITH([hdf5],
+    [AS_HELP_STRING([--with-hdf5=prefix],
+    [try this for a non-standard install prefix of the HDF5 library])],
+    [AM_CXXFLAGS="$AM_CXXFLAGS -I$with_hdf5/include"]
+    [AM_LDFLAGS="$AM_LDFLAGS -L$with_hdf5/lib"])
+AC_ARG_WITH([latcore],
+    [AS_HELP_STRING([--with-latcore=prefix],
     [use this option for a non-standard install prefix of the LatCore library])],
-    [AM_CXXFLAGS="$AM_CXXFLAGS -I$with_LatCore/include"]
-    [AM_LDFLAGS="$AM_LDFLAGS -L$with_LatCore/lib"])
-AX_LIB_HDF5()
-if test x$with_hdf5 = xno; then
-    AC_MSG_ERROR([HDF5 library not found])
-fi
-CFLAGS="$AM_CFLAGS $HDF5_CFLAGS $CFLAGS"
-CXXFLAGS="$AM_CXXFLAGS $HDF5_CPPFLAGS $CXXFLAGS"
-LDFLAGS="$AM_LDFLAGS $HDF5_LDFLAGS $LDFLAGS"
-LIBS="$LIBS $HDF5_LIBS -lhdf5_cpp"
+    [AM_CXXFLAGS="$AM_CXXFLAGS -I$with_latcore/include"]
+    [AM_LDFLAGS="$AM_LDFLAGS -L$with_latcore/lib"])
+CFLAGS="$AM_CFLAGS $CFLAGS"
+CXXFLAGS="$AM_CXXFLAGS $CXXFLAGS"
+LDFLAGS="$AM_LDFLAGS $LDFLAGS"
 
 # Get compilers informations
 AX_COMPILER_VENDOR
@@ -97,6 +88,13 @@ AC_CHECK_LIB([nlopt_cxx],[nlopt_create],
     [have_nlopt=true]
     [LIBS="$LIBS -lnlopt_cxx"],[])
 AM_CONDITIONAL([HAVE_NLOPT], [test x$have_nlopt = xtrue])
+AC_CHECK_LIB([hdf5_cpp],[H5Fopen],
+    [AC_DEFINE([HAVE_HDF5],
+    [1],
+    [Define to 1 if you have the `HDF5' library (-lhdf5_cpp).])]
+    [have_hdf5=true]
+    [LIBS="$LIBS -lhdf5_cpp"],[],[-lhdf5])
+AM_CONDITIONAL([HAVE_HDF5], [test x$have_hdf5 = xtrue])
 AC_CHECK_LIB([LatCore],[_ZN7LatCore12testFunctionEv],[],
     [AC_MSG_ERROR([LatCore library not found])])
 SAVED_LDFLAGS=$LDFLAGS
diff --git a/examples/Makefile.am b/examples/Makefile.am
index 0f2fa07..b850401 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -1,8 +1,8 @@
 if CXX_GNU
-    COM_CXXFLAGS = -Wall -W -pedantic
+    COM_CXXFLAGS = -Wall -W -pedantic -Wno-deprecated-declarations
 else
 if CXX_INTEL
-    COM_CXXFLAGS = -Wall
+    COM_CXXFLAGS = -wd1682 -Wall
 endif
 endif
 
diff --git a/lib/AsciiLexer.lpp b/lib/AsciiLexer.lpp
index 5ff1a93..910a72e 100644
--- a/lib/AsciiLexer.lpp
+++ b/lib/AsciiLexer.lpp
@@ -27,17 +27,7 @@
 %{
 	#include <LatAnalyze/AsciiFile.hpp>
 	#include "AsciiParser.hpp"
-
-    #if (defined __INTEL_COMPILER)
-    #pragma warning disable 1682 2259
-    #elif (defined __GNUC__)||(defined __clang__)
-    #pragma GCC diagnostic ignored "-Wconversion"
-    #pragma GCC diagnostic ignored "-Wsign-conversion"
-    #pragma GCC diagnostic ignored "-Wsign-compare"
-    #pragma GCC diagnostic ignored "-Wunused-function"
-    #pragma GCC diagnostic ignored "-Wunused-parameter"
-    #endif
-
+    
     using namespace std;
     using namespace Latan;
     
diff --git a/lib/AsciiParser.ypp b/lib/AsciiParser.ypp
index 4fd697c..f09f81a 100644
--- a/lib/AsciiParser.ypp
+++ b/lib/AsciiParser.ypp
@@ -23,13 +23,6 @@
     #include <LatAnalyze/Mat.hpp>
     #include <LatAnalyze/MatSample.hpp>
 
-    #if (defined __INTEL_COMPILER)
-    #pragma warning disable 1682 2259
-    #elif (defined __GNUC__)||(defined __clang__)
-    #pragma GCC diagnostic ignored "-Wconversion"
-    #pragma GCC diagnostic ignored "-Wsign-conversion"
-    #endif
-
     using namespace std;
     using namespace Latan;
     
diff --git a/lib/Global.cpp b/lib/Global.cpp
index 4ed104c..42c8aa1 100644
--- a/lib/Global.cpp
+++ b/lib/Global.cpp
@@ -23,6 +23,8 @@
 using namespace std;
 using namespace Latan;
 
+PlaceHolder Latan::_;
+
 const string Env::fullName  = PACKAGE_STRING;
 const string Env::name      = PACKAGE_NAME;
 const string Env::version   = PACKAGE_VERSION;
diff --git a/lib/Makefile.am b/lib/Makefile.am
index cd514f2..e03ff09 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1,9 +1,9 @@
 COM_CXXFLAGS = -Wall
 if CXX_GNU
-    COM_CXXFLAGS += -W -pedantic
+    COM_CXXFLAGS += -W -pedantic -Wno-deprecated-declarations
 else
 if CXX_INTEL
-    COM_CXXFLAGS +=
+    COM_CXXFLAGS += -wd1682
 endif
 endif
 
@@ -12,12 +12,19 @@ AM_YFLAGS = -d
 
 BUILT_SOURCES = AsciiParser.hpp MathParser.hpp
 
-lib_LTLIBRARIES = libLatAnalyze.la
+lib_LTLIBRARIES    = libLatAnalyze.la
+noinst_LTLIBRARIES = libLexers.la
+
+libLexers_la_SOURCES  = AsciiLexer.lpp MathLexer.lpp
+if CXX_GNU
+    libLexers_la_CXXFLAGS = $(COM_CXXFLAGS) -Wno-unused-function
+else
+    libLexers_la_CXXFLAGS = $(COM_CXXFLAGS)
+endif
 
 libLatAnalyze_la_SOURCES = \
     AsciiFile.cpp          \
     AsciiParser.ypp        \
-    AsciiLexer.lpp         \
     CompiledFunction.cpp   \
     CompiledModel.cpp      \
     Derivative.cpp         \
@@ -36,7 +43,6 @@ libLatAnalyze_la_SOURCES = \
     Math.cpp               \
     MathInterpreter.cpp    \
     MathParser.ypp         \
-    MathLexer.lpp          \
     Minimizer.cpp          \
     Model.cpp              \
     Plot.cpp               \
@@ -89,5 +95,6 @@ if HAVE_NLOPT
     libLatAnalyze_la_HEADERS += NloptMinimizer.hpp
 endif
 libLatAnalyze_la_CXXFLAGS = $(COM_CXXFLAGS)
+libLatAnalyze_la_LIBADD   = libLexers.la
 
 ACLOCAL_AMFLAGS = -I .buildutils/m4
diff --git a/lib/MathInterpreter.cpp b/lib/MathInterpreter.cpp
index 9c293fc..e0f0036 100644
--- a/lib/MathInterpreter.cpp
+++ b/lib/MathInterpreter.cpp
@@ -411,7 +411,7 @@ void ExprNode::pushArg(ExprNode *node)
 // ExprNode operators //////////////////////////////////////////////////////////
 const ExprNode &ExprNode::operator[](const Index i) const
 {
-    return *arg_[static_cast<unsigned int>(i)];
+    return *arg_[i];
 }
 
 ostream &Latan::operator<<(ostream &out, const ExprNode &n)
@@ -451,7 +451,7 @@ try\
 }\
 catch (out_of_range)\
 {\
-    address         = static_cast<unsigned int>((table).size());\
+    address         = (table).size();\
     (table)[(name)] = address;\
 }\
 
@@ -582,7 +582,7 @@ MathInterpreter::MathInterpreter(const std::string &code)
 // access //////////////////////////////////////////////////////////////////////
 const Instruction * MathInterpreter::operator[](const Index i) const
 {
-    return program_[static_cast<unsigned int>(i)].get();
+    return program_[i].get();
 }
 
 const ExprNode * MathInterpreter::getAST(void) const
diff --git a/lib/MathLexer.lpp b/lib/MathLexer.lpp
index 332075b..1e5f6ef 100644
--- a/lib/MathLexer.lpp
+++ b/lib/MathLexer.lpp
@@ -27,17 +27,7 @@
 %{
     #include <LatAnalyze/MathInterpreter.hpp>
     #include "MathParser.hpp"
-
-    #if (defined __INTEL_COMPILER)
-    #pragma warning disable 1682 2259
-    #elif (defined __GNUC__)||(defined __clang__)
-    #pragma GCC diagnostic ignored "-Wconversion"
-    #pragma GCC diagnostic ignored "-Wsign-conversion"
-    #pragma GCC diagnostic ignored "-Wsign-compare"
-    #pragma GCC diagnostic ignored "-Wunused-function"
-    #pragma GCC diagnostic ignored "-Wunused-parameter"
-    #endif
-
+    
     using namespace std;
     using namespace Latan;
     
diff --git a/lib/MathParser.ypp b/lib/MathParser.ypp
index ac2b279..a52a7b3 100644
--- a/lib/MathParser.ypp
+++ b/lib/MathParser.ypp
@@ -21,13 +21,6 @@
     #include <LatAnalyze/Global.hpp>
 	#include <LatAnalyze/MathInterpreter.hpp>
 
-    #if (defined __INTEL_COMPILER)
-    #pragma warning disable 1682 2259
-    #elif (defined __GNUC__)||(defined __clang__)
-    #pragma GCC diagnostic ignored "-Wconversion"
-    #pragma GCC diagnostic ignored "-Wsign-conversion"
-    #endif
-
     using namespace std;
     using namespace Latan;
 %}
diff --git a/lib/MinuitMinimizer.cpp b/lib/MinuitMinimizer.cpp
index 95736c4..b9cfa44 100644
--- a/lib/MinuitMinimizer.cpp
+++ b/lib/MinuitMinimizer.cpp
@@ -54,9 +54,8 @@ const DVec & MinuitMinimizer::operator()(const DoubleFunction &f)
     using namespace Minuit2;
     
     DVec                        &x = getState();
-    int                         printLevel;
-    EMinimizerType              minuitAlg;
-    unique_ptr<Math::Minimizer> min;
+    int                         printLevel = 0;
+    EMinimizerType              minuitAlg  = kCombined;
     
     // convert Latan parameters to Minuit parameters
     switch (getVerbosity())
@@ -91,18 +90,19 @@ const DVec & MinuitMinimizer::operator()(const DoubleFunction &f)
     }
     
     // create and set minimizer
-    min.reset(new Minuit2Minimizer(minuitAlg));
-    min->SetStrategy(2);
-    min->SetMaxFunctionCalls(getMaxIteration());
-    min->SetTolerance(getPrecision());
-    min->SetPrintLevel(printLevel);
+    Minuit2Minimizer min(minuitAlg);
+    
+    min.SetStrategy(2);
+    min.SetMaxFunctionCalls(getMaxIteration());
+    min.SetTolerance(getPrecision());
+    min.SetPrintLevel(printLevel);
     
     // set function and variables
     Math::Functor minuitF(f, x.size());
     string        name;
     double        val, step;
     
-    min->SetFunction(minuitF);
+    min.SetFunction(minuitF);
     for (Index i = 0; i < x.size(); ++i)
     {
         name = f.varName().getName(i);
@@ -110,20 +110,20 @@ const DVec & MinuitMinimizer::operator()(const DoubleFunction &f)
         step = (fabs(x(i)) != 0.) ? initErr*fabs(x(i)) : 1.;
         if (hasHighLimit(i) and !hasLowLimit(i))
         {
-            min->SetUpperLimitedVariable(i, name, val, step, getHighLimit(i));
+            min.SetUpperLimitedVariable(i, name, val, step, getHighLimit(i));
         }
         else if (!hasHighLimit(i) and hasLowLimit(i))
         {
-            min->SetLowerLimitedVariable(i, name, val, step, getLowLimit(i));
+            min.SetLowerLimitedVariable(i, name, val, step, getLowLimit(i));
         }
         else if (hasHighLimit(i) and hasLowLimit(i))
         {
-            min->SetLimitedVariable(i, name, val, step, getLowLimit(i),
-                                    getHighLimit(i));
+            min.SetLimitedVariable(i, name, val, step, getLowLimit(i),
+                                   getHighLimit(i));
         }
         else
         {
-            min->SetVariable(i, name, val, step);
+            min.SetVariable(i, name, val, step);
         }
     }
     
@@ -138,8 +138,8 @@ const DVec & MinuitMinimizer::operator()(const DoubleFunction &f)
             cout << "========== Minuit minimization, pass #" << n + 1;
             cout << " =========" << endl;
         }
-        min->Minimize();
-        status = min->Status();
+        min.Minimize();
+        status = min.Status();
         n++;
     } while (status and (n < getMaxPass()));
     if (getVerbosity() >= Verbosity::Normal)
@@ -165,7 +165,7 @@ const DVec & MinuitMinimizer::operator()(const DoubleFunction &f)
     // save and return result
     for (Index i = 0; i < x.size(); ++i)
     {
-        x(i) = min->X()[i];
+        x(i) = min.X()[i];
     }
     
     return x;
diff --git a/lib/XYSampleData.cpp b/lib/XYSampleData.cpp
index a2bc524..5253fef 100644
--- a/lib/XYSampleData.cpp
+++ b/lib/XYSampleData.cpp
@@ -65,14 +65,14 @@ double SampleFitResult::getPValue(const Index s) const
 const DoubleFunction & SampleFitResult::getModel(const Index s,
                                                  const Index j) const
 {
-    return model_[static_cast<unsigned int>(j)][s];
+    return model_[j][s];
 }
 
 const DoubleFunctionSample & SampleFitResult::getModel(
                                                     const PlaceHolder ph __dumb,
                                                     const Index j) const
 {
-    return model_[static_cast<unsigned int>(j)];
+    return model_[j];
 }
 
 FitResult SampleFitResult::getFitResult(const Index s) const
@@ -292,7 +292,7 @@ SampleFitResult XYSampleData::fit(std::vector<Minimizer *> &minimizer,
         }
     }
     result.nPar_    = sampleResult.getNPar();
-    result.nDof_    = sampleResult.getNDof();
+    result.nDof_    = sampleResult.nDof_;
     result.parName_ = sampleResult.parName_;
     
     return result;
diff --git a/lib/XYStatData.cpp b/lib/XYStatData.cpp
index a614bef..7a608d7 100644
--- a/lib/XYStatData.cpp
+++ b/lib/XYStatData.cpp
@@ -57,7 +57,7 @@ double FitResult::getPValue(void) const
 
 const DoubleFunction & FitResult::getModel(const Index j) const
 {
-    return model_[static_cast<unsigned int>(j)];
+    return model_[j];
 }
 
 // IO //////////////////////////////////////////////////////////////////////////
diff --git a/utils/Makefile.am b/utils/Makefile.am
index 3427a2d..1eba782 100644
--- a/utils/Makefile.am
+++ b/utils/Makefile.am
@@ -1,8 +1,8 @@
 if CXX_GNU
-    COM_CXXFLAGS = -Wall -W -pedantic
+    COM_CXXFLAGS = -Wall -W -pedantic -Wno-deprecated-declarations
 else
 if CXX_INTEL
-    COM_CXXFLAGS = -Wall
+    COM_CXXFLAGS = -wd1682 -Wall
 endif
 endif