netgenplugin/adm_local/unix/config_files/check_NETGENPLUGIN.m4

AC_DEFUN([CHECK_NETGEN],[

AC_REQUIRE([AC_PROG_CXX])dnl
AC_REQUIRE([AC_PROG_CXXCPP])dnl

AC_CHECKING(for Netgen 4.5 and higher Libraries)

AC_LANG_SAVE
AC_LANG_CPLUSPLUS

AC_ARG_WITH(netgen,
	    [  --with-netgen=DIR root directory path of NETGEN installation],
	    NETGEN_HOME=$withval,NETGEN_HOME="")

NETGEN_INCLUDES=""
NETGEN_LIBS_DIR=""

Netgen_ok=no

if test "x$NETGEN_HOME" == "x" ; then

# no --with-netgen option used
   if test "x$NETGENHOME" != "x" ; then

    # NETGENHOME environment variable defined
      NETGEN_HOME=$NETGENHOME

   fi
# 
fi

if test "x$NETGEN_HOME" != "x"; then

  echo
  echo
  echo -------------------------------------------------
  echo You are about to choose to use somehow the
  echo Netgen Library to generate Tetrahedric mesh.
  echo
  echo WARNING
  echo ----------------------------------------------------------
  echo ----------------------------------------------------------
  echo You are strongly advised to consult the file
  echo NETGENPLUGIN_SRC/src/ReadMeForNgUsers, particularly about
  echo assumptions made on the installation of the Netgen
  echo application and libraries.
  echo Ask your system administrator for those details.
  echo ----------------------------------------------------------
  echo ----------------------------------------------------------
  echo 
  echo

  

  NETGEN_INCLUDES="-I$NETGEN_HOME/include"
  NETGEN_LIBS_DIR="$NETGEN_HOME/lib/LINUX"

  CPPFLAGS_old="$CPPFLAGS"
  CXXFLAGS_old="$CXXFLAGS"
  CPPFLAGS="$NETGEN_INCLUDES $CAS_CPPFLAGS $CPPFLAGS"
  CXXFLAGS="$NETGEN_INCLUDES $CAS_CPPFLAGS $CXXFLAGS"

  AC_MSG_CHECKING(for Netgen header file)

  AC_CHECK_HEADER(nglib.h,Netgen_ok=yes,Netgen_ok=no)
  if test "x$Netgen_ok" == "xyes"; then

    AC_MSG_CHECKING(for Netgen libraries)

    LDFLAGS_old="$LDFLAGS"
    LDFLAGS="-L. -lNETGEN $CAS_LDPATH -lTKBRep -lTKShHealing -lTKSTEP -lTKXSBase -lTKIGES -lTKSTL -lTKTopAlgo $LDFLAGS"

    AC_TRY_COMPILE(#include <iostream.h>
#include <fstream.h>
namespace nglib {
#include "nglib.h"
}
#define OCCGEOMETRY
#include <occgeom.hpp>
,nglib::Ng_Init();
 netgen::OCCGeometry occgeo;
 nglib::Ng_Exit();,Netgen_ok=yes;ar x "$NETGEN_LIBS_DIR/libnginterface.a";
	    ar x "$NETGEN_LIBS_DIR/libocc.a";
            ar x "$NETGEN_LIBS_DIR/libcsg.a";
            ar x "$NETGEN_LIBS_DIR/libgprim.a";
            ar x "$NETGEN_LIBS_DIR/libmesh.a";
            ar x "$NETGEN_LIBS_DIR/libopti.a";
            ar x "$NETGEN_LIBS_DIR/libgen.a";
            ar x "$NETGEN_LIBS_DIR/libla.a";
            ar x "$NETGEN_LIBS_DIR/libstlgeom.a";
            ar x "$NETGEN_LIBS_DIR/libgeom2d.a";
            $CXX -shared linopt.o bfgs.o linsearch.o global.o bisect.o meshtool.o refine.o ruler3.o improve3.o adfront3.o tetrarls.o prism2rls.o profiler.o pyramidrls.o pyramid2rls.o netrule3.o ruler2.o meshclass.o improve2.o adfront2.o netrule2.o triarls.o geomsearch.o secondorder.o meshtype.o parser3.o quadrls.o specials.o parser2.o meshing2.o meshing3.o meshfunc.o localh.o improve2gen.o delaunay.o boundarylayer.o msghandler.o meshfunc2d.o smoothing2.o smoothing3.o topology.o curvedelems_new.o clusters.o zrefine.o ngexception.o geomtest3d.o geom2d.o geom2dmesh.o geom3d.o adtree.o transform3d.o geomfuncs.o polynomial.o densemat.o vector.o basemat.o sparsmat.o algprim.o brick.o manifold.o bspline2d.o meshsurf.o csgeom.o polyhedra.o curve2d.o singularref.o edgeflw.o solid.o explicitcurve2d.o specpoin.o gencyl.o revolution.o genmesh.o genmesh2d.o spline3d.o surface.o identify.o triapprox.o meshstlsurface.o stlline.o stltopology.o stltool.o stlgeom.o stlgeomchart.o stlgeommesh.o table.o optmem.o spbita2d.o hashtabl.o sort.o flags.o seti.o bitarray.o array.o symbolta.o mystring.o moveablemem.o spline.o splinegeometry.o ngnewdelete.o nglib.o hprefinement.o Partition_Inter2d.o Partition_Loop.o Partition_Loop3d.o Partition_Inter3d.o Partition_Loop2d.o Partition_Spliter.o occgeom.o occgenmesh.o occmeshsurf.o -o libNETGEN.so;
            rm -rf linopt.o bfgs.o linsearch.o global.o bisect.o meshtool.o refine.o ruler3.o improve3.o adfront3.o tetrarls.o prism2rls.o profiler.o pyramidrls.o pyramid2rls.o netrule3.o ruler2.o meshclass.o improve2.o adfront2.o netrule2.o triarls.o geomsearch.o secondorder.o meshtype.o parser3.o quadrls.o specials.o parser2.o meshing2.o meshing3.o meshfunc.o localh.o improve2gen.o delaunay.o boundarylayer.o msghandler.o meshfunc2d.o smoothing2.o smoothing3.o topology.o curvedelems_new.o clusters.o zrefine.o ngexception.o geomtest3d.o geom2d.o geom2dmesh.o geom3d.o adtree.o transform3d.o geomfuncs.o polynomial.o densemat.o vector.o basemat.o sparsmat.o algprim.o brick.o manifold.o bspline2d.o meshsurf.o csgeom.o polyhedra.o curve2d.o singularref.o edgeflw.o solid.o explicitcurve2d.o specpoin.o gencyl.o revolution.o genmesh.o genmesh2d.o spline3d.o surface.o identify.o triapprox.o meshstlsurface.o stlline.o stltopology.o stltool.o stlgeom.o stlgeomchart.o stlgeommesh.o table.o optmem.o spbita2d.o hashtabl.o sort.o flags.o seti.o bitarray.o array.o symbolta.o mystring.o moveablemem.o spline.o splinegeometry.o ngnewdelete.o nglib.o hprefinement.o Partition_Inter2d.o Partition_Loop.o Partition_Loop3d.o Partition_Inter3d.o Partition_Loop2d.o Partition_Spliter.o occgeom.o occgenmesh.o occmeshsurf.o csgparser.o dynamicmem.o extrusion.o occconstruction.o parthreads.o readuser.o writeabaqus.o writediffpack.o writeelmer.o writefeap.o writefluent.o writegmsh.o writejcm.o writepermas.o writetecplot.o writetochnog.o writeuser.o wuchemnitz.o,
            Netgen_ok=no)

    AC_CACHE_VAL(salome_netgen_lib,[
                 AC_TRY_LINK(
#include <iostream.h>
#include <fstream.h>
namespace nglib {
#include "nglib.h"
}
#define OCCGEOMETRY
#include <occgeom.hpp>
,nglib::Ng_Init();
 netgen::OCCGeometry occgeo;
 nglib::Ng_Exit();,
    eval "salome_netgen_lib=yes";rm -rf libNETGEN.so,eval "salome_netgen_lib=no";rm -rf libNETGEN.so)
  ])
    Netgen_ok="$salome_netgen_lib"


    LDFLAGS="$LDFLAGS_old"
  fi

  CPPFLAGS="$CPPFLAGS_old"
  CXXFLAGS="$CXXFLAGS_old"

  if test "x$Netgen_ok" == xno ; then
    AC_MSG_RESULT(no)
    AC_MSG_WARN(Netgen libraries not found or not properly installed)
  else
    AC_MSG_RESULT(yes)
  fi
fi

AC_SUBST(NETGEN_INCLUDES)
AC_SUBST(NETGEN_LIBS_DIR)

AC_LANG_RESTORE

])dnl