ADD ScalFMM_BUILD_ONLY_LIB to compile scalfmm lib without examples

remove warnings

CMakeLists.txt

@@ -57,6 +57,7 @@ OPTION( ScalFMM_USE_SSE              "Set to ON to compile with SSE support"
 OPTION( ScalFMM_USE_AVX              "Set to ON to compile with AVX support"       OFF  )
 OPTION( ScalFMM_USE_ASSERT           "Set to ON to enable safe tests during execution" ON  )
 OPTION( ScalFMM_USE_MIC_NATIVE       "Set to ON to compile in native mode for MIC" OFF  )
+OPTION( ScalFMM_BUILD_ONLY_LIB        "Set to ON to compile ionly the lib (examples are not compiled) " OFF  )
 # Set scalfmm to default libraries
 SET(SCALFMM_LIBRARIES "")
 SET(ScaLFMM_CXX_FLAGS "")
@@ -301,9 +302,10 @@ add_subdirectory(Src)
 # Link with scalfmm lib
 set(scalfmm_lib scalfmm)
 
+if( ScalFMM_BUILD_ONLY_LIB ) 
 # Build - Examples and drivers
 add_subdirectory(Examples)
-
+endif
 
 # Build - Tests
 MESSAGE( STATUS "ScalFMM_BUILD_TESTS          = ${ScalFMM_BUILD_TESTS}" )

Src/Kernels/Spherical/FSphericalBlasKernel.hpp

 // ===================================================================================
-// Copyright ScalFmm 2011 INRIA, Olivier Coulaud, Bérenger Bramas, Matthias Messner
+// Copyright ScalFmm 2011 INRIA
 // olivier.coulaud@inria.fr, berenger.bramas@inria.fr
 // This software is a computer program whose purpose is to compute the FMM.
 //
@@ -18,8 +18,8 @@
 
 #include "FAbstractSphericalKernel.hpp"
 
-#include "../../Utils/FMemUtils.hpp"
-#include "../../Utils/FBlas.hpp"
+#include "Utils/FMemUtils.hpp"
+#include "Utils/FBlas.hpp"
 
 /**
 * @author Berenger Bramas (berenger.bramas@inria.fr)
@@ -123,7 +123,7 @@ public:
           FF_MATRIX_ROW_DIM(Parent::harmonic.getExpSize()), FF_MATRIX_COLUMN_DIM(Parent::harmonic.getNExpSize()),
           FF_MATRIX_SIZE(FF_MATRIX_ROW_DIM * FF_MATRIX_COLUMN_DIM),
           temporaryMultiSource(new FComplexe[FF_MATRIX_COLUMN_DIM]),
-          preM2LTransitions(0){
+          preM2LTransitions(nullptr){
         allocAndInit();
     }
 

Src/Kernels/Spherical/FSphericalRotationKernel.hpp

 // ===================================================================================
-// Copyright ScalFmm 2011 INRIA, Olivier Coulaud, Bérenger Bramas, Matthias Messner
+// Copyright ScalFmm 2011 INRIA,
 // olivier.coulaud@inria.fr, berenger.bramas@inria.fr
 // This software is a computer program whose purpose is to compute the FMM.
 //
@@ -17,7 +17,7 @@
 #define FSPHERICALROTATIONKERNEL_HPP
 
 #include "FAbstractSphericalKernel.hpp"
-#include "../../Utils/FMemUtils.hpp"
+#include "Utils/FMemUtils.hpp"
 
 /**
 * @author Berenger Bramas (berenger.bramas@inria.fr)
@@ -393,7 +393,7 @@ public:
     FSphericalRotationKernel(const int inDevP, const int inTreeHeight, const FReal inBoxWidth, const FPoint& inBoxCenter)
         : Parent(inDevP, inTreeHeight, inBoxWidth, inBoxCenter),
           devM2lP(int(((inDevP*2)+1) * ((inDevP*2)+2) * 0.5)),
-          preM2LTransitions(0),
+          preM2LTransitions(nullptr),
           rotation_Info(inDevP) {
         allocAndInit();
     }