Fixing several installation problems on OSX

example/Numerics/PSE/1_Derivative_approx_1D_mp/main_float128.cpp

@@ -10,11 +10,16 @@
  *
  */
 
+#include "config/config.h"
 #include "Vector/vector_dist.hpp"
 #include "Decomposition/CartDecomposition.hpp"
 #include "PSE/Kernels.hpp"
 #include "data_type/aggregate.hpp"
 #include <cmath>
+
+// This example only work if there is HAVE_LIBQUADMATH
+#ifdef HAVE_LIBQUADMATH
+
 #include <boost/multiprecision/float128.hpp>
 
 typedef boost::multiprecision::float128 float128;
@@ -310,3 +315,11 @@ int main(int argc, char* argv[])
 	//
 	openfpm_finalize();
 }
+
+#else
+
+int main(int argc, char* argv[])
+{
+}
+
+#endif

example/Numerics/PSE/1_Diffusion_1D/main.cpp

@@ -425,7 +425,7 @@ int main(int argc, char* argv[])
             double val;
 
             // usefull to sort the particle by position
-            bool operator<(const pos_val & p)
+            bool operator<(const pos_val & p) const
             {
                     return pos < p.pos;
             }

example/Numerics/Stoke_flow/0_2D_incompressible/Makefile

@@ -8,7 +8,7 @@ OBJ_EIGEN = main_eigen.o
 OBJ_PETSC = main_petsc.o
 
 %.o: %.cpp
-	$(CC) -fext-numeric-literals -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
+	$(CC) -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
 
 all: stokes_2d_eigen stokes_2d_petsc
 

example/Numerics/Stoke_flow/1_3D_incompressible/Makefile

@@ -8,15 +8,15 @@ OBJ_EIGEN = main_eigen.o
 OBJ_PETSC = main_petsc.o
 
 %.o: %.cpp
-	$(CC) -fopenmp -fext-numeric-literals  -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
+	$(CC) -O3 -c --std=c++11 -o $@ $< $(INCLUDE_PATH)
 
 all: stokes_3d_eigen stokes_3d_petsc
 
 stokes_3d_eigen: $(OBJ_EIGEN)
-	$(CC) -fopenmp -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)
 
 stokes_3d_petsc: $(OBJ_PETSC)
-	$(CC) -fopenmp -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)
+	$(CC) -o $@ $^ $(CFLAGS) $(LIBS_PATH) $(LIBS)
 
 run: all
 	source $$HOME/openfpm_vars; mpirun -np 3 ./stokes_3d_eigen; mpirun -np 3 ./stokes_3d_petsc

m4/ax_libhilbert.m4

@@ -80,7 +80,7 @@ AC_DEFUN([AX_LIB_HILBERT], [
                                 with_libhilbert=$PETSC
                                 AC_MSG_RESULT(yes)
                         else
-                                with_petsc=/usr
+                                with_libhilbert=/usr
                                 if test ! -f "$with_libhilbert/include/hilbertKey.h" ; then
                                         with_libhilbert=/usr/local
                                         if test ! -f "$with_libhilbert/include/hilbertKey.h" ; then