diff --git a/Makefile.am b/Makefile.am
index 9a469626..0af4152d 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,3 +1,9 @@
 ACLOCAL_AMFLAGS = -I m4
 
-SUBDIRS = libsrc ng tutorials
+METASOURCES = AUTO
+
+SUBDIRS = libsrc ng tutorials 
+
+
+
+
diff --git a/Makefile.in b/Makefile.in
index e9a6e597..9608265a 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -229,7 +229,8 @@ top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = libsrc ng tutorials
+METASOURCES = AUTO
+SUBDIRS = libsrc ng tutorials 
 all: config.h
 	$(MAKE) $(AM_MAKEFLAGS) all-recursive
 
diff --git a/configure b/configure
index fbd064b1..1735ffb4 100755
--- a/configure
+++ b/configure
@@ -747,6 +747,7 @@ PACKAGE_VERSION='4.9.3'
 PACKAGE_STRING='netgen 4.9.3'
 PACKAGE_BUGREPORT=''
 
+ac_default_prefix="/opt/netgen"
 # Factoring default headers for most tests.
 ac_includes_default="\
 #include <stdio.h>
@@ -2574,6 +2575,8 @@ am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'
 
 
 
+
+
     # TEA extensions pass this us the version of TEA they think they
     # are compatible with.
     TEA_VERSION="3.6"
@@ -5546,13 +5549,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
 else
   lt_cv_nm_interface="BSD nm"
   echo "int some_variable = 0;" > conftest.$ac_ext
-  (eval echo "\"\$as_me:5549: $ac_compile\"" >&5)
+  (eval echo "\"\$as_me:5552: $ac_compile\"" >&5)
   (eval "$ac_compile" 2>conftest.err)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:5552: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+  (eval echo "\"\$as_me:5555: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
   (eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
   cat conftest.err >&5
-  (eval echo "\"\$as_me:5555: output\"" >&5)
+  (eval echo "\"\$as_me:5558: output\"" >&5)
   cat conftest.out >&5
   if $GREP 'External.*some_variable' conftest.out > /dev/null; then
     lt_cv_nm_interface="MS dumpbin"
@@ -6758,7 +6761,7 @@ ia64-*-hpux*)
   ;;
 *-*-irix6*)
   # Find out which ABI we are using.
-  echo '#line 6761 "configure"' > conftest.$ac_ext
+  echo '#line 6764 "configure"' > conftest.$ac_ext
   if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
   (eval $ac_compile) 2>&5
   ac_status=$?
@@ -9334,11 +9337,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9337: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9340: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:9341: \$? = $ac_status" >&5
+   echo "$as_me:9344: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9673,11 +9676,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9676: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9679: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:9680: \$? = $ac_status" >&5
+   echo "$as_me:9683: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -9778,11 +9781,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9781: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9784: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9785: \$? = $ac_status" >&5
+   echo "$as_me:9788: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -9833,11 +9836,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:9836: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:9839: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:9840: \$? = $ac_status" >&5
+   echo "$as_me:9843: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -12633,7 +12636,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12636 "configure"
+#line 12639 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -12729,7 +12732,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 12732 "configure"
+#line 12735 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -14749,11 +14752,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14752: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14755: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>conftest.err)
    ac_status=$?
    cat conftest.err >&5
-   echo "$as_me:14756: \$? = $ac_status" >&5
+   echo "$as_me:14759: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s "$ac_outfile"; then
      # The compiler can only warn and ignore the option if not recognized
      # So say no if there are warnings other than the usual output.
@@ -14848,11 +14851,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14851: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14854: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14855: \$? = $ac_status" >&5
+   echo "$as_me:14858: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
@@ -14900,11 +14903,11 @@ else
    -e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
    -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
    -e 's:$: $lt_compiler_flag:'`
-   (eval echo "\"\$as_me:14903: $lt_compile\"" >&5)
+   (eval echo "\"\$as_me:14906: $lt_compile\"" >&5)
    (eval "$lt_compile" 2>out/conftest.err)
    ac_status=$?
    cat out/conftest.err >&5
-   echo "$as_me:14907: \$? = $ac_status" >&5
+   echo "$as_me:14910: \$? = $ac_status" >&5
    if (exit $ac_status) && test -s out/conftest2.$ac_objext
    then
      # The compiler can only warn and ignore the option if not recognized
diff --git a/configure.ac b/configure.ac
index f9090312..95a52664 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,6 +3,8 @@ AM_INIT_AUTOMAKE([-Wall -Werror foreign])
 
 AC_CONFIG_MACRO_DIR([m4])
 
+AC_PREFIX_DEFAULT(["/opt/netgen"])
+
 
 TEA_INIT([3.6])
 
diff --git a/libsrc/general/Makefile.am b/libsrc/general/Makefile.am
index d2f72fe6..dcb13353 100644
--- a/libsrc/general/Makefile.am
+++ b/libsrc/general/Makefile.am
@@ -1,4 +1,6 @@
-noinst_HEADERS = array.hpp dynamicmem.hpp myadt.hpp optmem.hpp sort.hpp table.hpp autodiff.hpp flags.hpp mystring.hpp parthreads.hpp spbita2d.hpp template.hpp autoptr.hpp hashtabl.hpp netgenout.hpp profiler.hpp stack.hpp bitarray.hpp moveablemem.hpp ngexception.hpp seti.hpp symbolta.hpp
+noinst_HEADERS = array.hpp myadt.hpp optmem.hpp sort.hpp table.hpp autodiff.hpp flags.hpp mystring.hpp spbita2d.hpp template.hpp autoptr.hpp hashtabl.hpp netgenout.hpp profiler.hpp stack.hpp bitarray.hpp seti.hpp symbolta.hpp
+
+include_HEADERS =  dynamicmem.hpp moveablemem.hpp  parthreads.hpp ngexception.hpp
 
 AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include
 METASOURCES = AUTO
diff --git a/libsrc/general/Makefile.in b/libsrc/general/Makefile.in
index 3a7a7390..954bc778 100644
--- a/libsrc/general/Makefile.in
+++ b/libsrc/general/Makefile.in
@@ -34,8 +34,8 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 subdir = libsrc/general
-DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in
+DIST_COMMON = $(include_HEADERS) $(noinst_HEADERS) \
+	$(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
@@ -71,7 +71,15 @@ CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	$(LDFLAGS) -o $@
 SOURCES = $(libgeneral_a_SOURCES)
 DIST_SOURCES = $(libgeneral_a_SOURCES)
-HEADERS = $(noinst_HEADERS)
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(includedir)"
+includeHEADERS_INSTALL = $(INSTALL_HEADER)
+HEADERS = $(include_HEADERS) $(noinst_HEADERS)
 ETAGS = etags
 CTAGS = ctags
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -229,7 +237,8 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-noinst_HEADERS = array.hpp dynamicmem.hpp myadt.hpp optmem.hpp sort.hpp table.hpp autodiff.hpp flags.hpp mystring.hpp parthreads.hpp spbita2d.hpp template.hpp autoptr.hpp hashtabl.hpp netgenout.hpp profiler.hpp stack.hpp bitarray.hpp moveablemem.hpp ngexception.hpp seti.hpp symbolta.hpp
+noinst_HEADERS = array.hpp myadt.hpp optmem.hpp sort.hpp table.hpp autodiff.hpp flags.hpp mystring.hpp spbita2d.hpp template.hpp autoptr.hpp hashtabl.hpp netgenout.hpp profiler.hpp stack.hpp bitarray.hpp seti.hpp symbolta.hpp
+include_HEADERS = dynamicmem.hpp moveablemem.hpp  parthreads.hpp ngexception.hpp
 AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include
 METASOURCES = AUTO
 noinst_LIBRARIES = libgeneral.a
@@ -327,6 +336,23 @@ mostlyclean-libtool:
 
 clean-libtool:
 	-rm -rf .libs _libs
+install-includeHEADERS: $(include_HEADERS)
+	@$(NORMAL_INSTALL)
+	test -z "$(includedir)" || $(MKDIR_P) "$(DESTDIR)$(includedir)"
+	@list='$(include_HEADERS)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(includeHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(includedir)/$$f'"; \
+	  $(includeHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(includedir)/$$f"; \
+	done
+
+uninstall-includeHEADERS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(include_HEADERS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(includedir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(includedir)/$$f"; \
+	done
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
@@ -405,6 +431,9 @@ check-am: all-am
 check: check-am
 all-am: Makefile $(LIBRARIES) $(HEADERS)
 installdirs:
+	for dir in "$(DESTDIR)$(includedir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
 install: install-am
 install-exec: install-exec-am
 install-data: install-data-am
@@ -450,7 +479,7 @@ info: info-am
 
 info-am:
 
-install-data-am:
+install-data-am: install-includeHEADERS
 
 install-dvi: install-dvi-am
 
@@ -486,7 +515,7 @@ ps: ps-am
 
 ps-am:
 
-uninstall-am:
+uninstall-am: uninstall-includeHEADERS
 
 .MAKE: install-am install-strip
 
@@ -496,12 +525,13 @@ uninstall-am:
 	distclean-tags distdir dvi dvi-am html html-am info info-am \
 	install install-am install-data install-data-am install-dvi \
 	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-pdf install-pdf-am install-ps install-ps-am \
-	install-strip installcheck installcheck-am installdirs \
-	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
-	pdf pdf-am ps ps-am tags uninstall uninstall-am
+	install-html-am install-includeHEADERS install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-includeHEADERS
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/libsrc/interface/Makefile.am b/libsrc/interface/Makefile.am
index 01ed8de5..19ea2043 100644
--- a/libsrc/interface/Makefile.am
+++ b/libsrc/interface/Makefile.am
@@ -1,7 +1,7 @@
 include_HEADERS = nginterface.h
 noinst_HEADERS = writeuser.hpp
 
-AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface   $(TCL_INCLUDES)
+AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface $(TCL_INCLUDES) -DOPENGL
 METASOURCES = AUTO
 noinst_LIBRARIES = libinterface.a
 libinterface_a_SOURCES = importsolution.cpp nginterface.cpp printdest.cpp \
diff --git a/libsrc/interface/Makefile.in b/libsrc/interface/Makefile.in
index 44201986..1ea8aa4b 100644
--- a/libsrc/interface/Makefile.in
+++ b/libsrc/interface/Makefile.in
@@ -243,7 +243,7 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 include_HEADERS = nginterface.h
 noinst_HEADERS = writeuser.hpp
-AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface   $(TCL_INCLUDES)
+AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface $(TCL_INCLUDES) -DOPENGL
 METASOURCES = AUTO
 noinst_LIBRARIES = libinterface.a
 libinterface_a_SOURCES = importsolution.cpp nginterface.cpp printdest.cpp \
diff --git a/libsrc/interface/nginterface.cpp b/libsrc/interface/nginterface.cpp
index 024c5030..991b9515 100644
--- a/libsrc/interface/nginterface.cpp
+++ b/libsrc/interface/nginterface.cpp
@@ -1868,7 +1868,7 @@ void Ng_SetSolutionData (Ng_SolutionData * soldata)
   //   vssolution.ClearSolutionData ();
   VisualSceneSolution::SolData * vss = new VisualSceneSolution::SolData;
 
-  //  cout << "Add solution " << soldata->name << ", type = " << soldata->soltype << endl;
+  cout << "Add solution " << soldata->name << ", type = " << soldata->soltype << endl;
 
   vss->name = new char[strlen (soldata->name)+1];
   strcpy (vss->name, soldata->name);
@@ -2104,6 +2104,15 @@ int Ng_ShouldTerminate(void)
   return multithread.terminate;
 }
 
+void Ng_SetRunning(int flag)
+{
+  multithread.running = flag;
+}
+int Ng_IsRunning()
+{
+  return multithread.running;
+}
+
 ///// Added by Roman Stainko ....
 int Ng_GetVertex_Elements( int vnr, int* elems )
 {
diff --git a/libsrc/interface/nginterface.h b/libsrc/interface/nginterface.h
index b0c4c2ba..62ad6988 100644
--- a/libsrc/interface/nginterface.h
+++ b/libsrc/interface/nginterface.h
@@ -282,9 +282,10 @@ extern "C" {
 
 #endif
   
-namespace netgen {
-#include "../visualization/soldata.hpp"
-}
+  namespace netgen {
+  // #include "../visualization/soldata.hpp"
+    class SolutionData;
+  }
 
   enum Ng_SolutionType
   { NG_SOLUTION_NODAL = 1, 
@@ -343,7 +344,8 @@ namespace netgen {
   void Ng_SetTerminate(void);
   void Ng_UnSetTerminate(void);
   int Ng_ShouldTerminate(void);
-  
+  void Ng_SetRunning(int flag);
+  int Ng_IsRunning();
   
   //// added by Roman Stainko ....
   int Ng_GetVertex_Elements( int vnr, int* elems);
diff --git a/libsrc/visualization/Makefile.am b/libsrc/visualization/Makefile.am
index bbb9fb7e..7fb7e349 100644
--- a/libsrc/visualization/Makefile.am
+++ b/libsrc/visualization/Makefile.am
@@ -1,6 +1,8 @@
-noinst_HEADERS = meshdoc.hpp mvdraw.hpp soldata.hpp vispar.hpp \
+noinst_HEADERS = meshdoc.hpp mvdraw.hpp vispar.hpp \
 visual.hpp vssolution.hpp
 
+include_HEADERS = soldata.hpp
+
 AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include  -DOPENGL  $(OCCFLAGS)    $(TCL_INCLUDES)
 METASOURCES = AUTO
 noinst_LIBRARIES = libvisual.a
diff --git a/libsrc/visualization/Makefile.in b/libsrc/visualization/Makefile.in
index b64e8f70..4b3aacf0 100644
--- a/libsrc/visualization/Makefile.in
+++ b/libsrc/visualization/Makefile.in
@@ -34,8 +34,8 @@ POST_UNINSTALL = :
 build_triplet = @build@
 host_triplet = @host@
 subdir = libsrc/visualization
-DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in
+DIST_COMMON = $(include_HEADERS) $(noinst_HEADERS) \
+	$(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
@@ -68,7 +68,15 @@ CXXLINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
 	$(LDFLAGS) -o $@
 SOURCES = $(libvisual_a_SOURCES)
 DIST_SOURCES = $(libvisual_a_SOURCES)
-HEADERS = $(noinst_HEADERS)
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+    $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+    *) f=$$p;; \
+  esac;
+am__strip_dir = `echo $$p | sed -e 's|^.*/||'`;
+am__installdirs = "$(DESTDIR)$(includedir)"
+includeHEADERS_INSTALL = $(INSTALL_HEADER)
+HEADERS = $(include_HEADERS) $(noinst_HEADERS)
 ETAGS = etags
 CTAGS = ctags
 DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
@@ -226,9 +234,10 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-noinst_HEADERS = meshdoc.hpp mvdraw.hpp soldata.hpp vispar.hpp \
+noinst_HEADERS = meshdoc.hpp mvdraw.hpp vispar.hpp \
 visual.hpp vssolution.hpp
 
+include_HEADERS = soldata.hpp
 AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include  -DOPENGL  $(OCCFLAGS)    $(TCL_INCLUDES)
 METASOURCES = AUTO
 noinst_LIBRARIES = libvisual.a
@@ -318,6 +327,23 @@ mostlyclean-libtool:
 
 clean-libtool:
 	-rm -rf .libs _libs
+install-includeHEADERS: $(include_HEADERS)
+	@$(NORMAL_INSTALL)
+	test -z "$(includedir)" || $(MKDIR_P) "$(DESTDIR)$(includedir)"
+	@list='$(include_HEADERS)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  f=$(am__strip_dir) \
+	  echo " $(includeHEADERS_INSTALL) '$$d$$p' '$(DESTDIR)$(includedir)/$$f'"; \
+	  $(includeHEADERS_INSTALL) "$$d$$p" "$(DESTDIR)$(includedir)/$$f"; \
+	done
+
+uninstall-includeHEADERS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(include_HEADERS)'; for p in $$list; do \
+	  f=$(am__strip_dir) \
+	  echo " rm -f '$(DESTDIR)$(includedir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(includedir)/$$f"; \
+	done
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
 	list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
@@ -396,6 +422,9 @@ check-am: all-am
 check: check-am
 all-am: Makefile $(LIBRARIES) $(HEADERS)
 installdirs:
+	for dir in "$(DESTDIR)$(includedir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
 install: install-am
 install-exec: install-exec-am
 install-data: install-data-am
@@ -441,7 +470,7 @@ info: info-am
 
 info-am:
 
-install-data-am:
+install-data-am: install-includeHEADERS
 
 install-dvi: install-dvi-am
 
@@ -477,7 +506,7 @@ ps: ps-am
 
 ps-am:
 
-uninstall-am:
+uninstall-am: uninstall-includeHEADERS
 
 .MAKE: install-am install-strip
 
@@ -487,12 +516,13 @@ uninstall-am:
 	distclean-tags distdir dvi dvi-am html html-am info info-am \
 	install install-am install-data install-data-am install-dvi \
 	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-pdf install-pdf-am install-ps install-ps-am \
-	install-strip installcheck installcheck-am installdirs \
-	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
-	pdf pdf-am ps ps-am tags uninstall uninstall-am
+	install-html-am install-includeHEADERS install-info \
+	install-info-am install-man install-pdf install-pdf-am \
+	install-ps install-ps-am install-strip installcheck \
+	installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-includeHEADERS
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/ng/Makefile.am b/ng/Makefile.am
index 1839eabd..0d2f5072 100644
--- a/ng/Makefile.am
+++ b/ng/Makefile.am
@@ -2,7 +2,6 @@ noinst_HEADERS = demoview.hpp
 
 AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface -DOPENGL $(OCCFLAGS)  $(TCL_INCLUDES) 
 
-METASOURCES = AUTO
 bin_PROGRAMS = netgen
 netgen_SOURCES = demoview.cpp ngappinit.cpp ngpkg.cpp onetcl.cpp
 
@@ -14,3 +13,13 @@ netgen_LDADD = $(top_builddir)/libsrc/csg/libcsg.a \
 	$(top_builddir)/libsrc/gprim/libgprim.a $(top_builddir)/libsrc/opti/libopti.a \
 	$(top_builddir)/libsrc/linalg/libla.a $(top_builddir)/libsrc/general/libgeneral.a \
 	$(OCCLIBS) $(TOGLLIBDIR) -lTogl1.7 -lGLU $(TK_LIB_SPEC) $(TCL_LIB_SPEC)
+
+
+
+
+dist_bin_SCRIPTS = dialog.tcl menustat.tcl ngicon.tcl ng.tcl \
+ngvisual.tcl sockets.tcl drawing.tcl nghelp.tcl ngshell.tcl  \
+ngtesting.tcl parameters.tcl variables.tcl
+
+
+netgen_LDFLAGS = -rdynamic
diff --git a/ng/Makefile.in b/ng/Makefile.in
index 4f807985..28cb52c3 100644
--- a/ng/Makefile.in
+++ b/ng/Makefile.in
@@ -15,6 +15,7 @@
 @SET_MAKE@
 
 
+
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
@@ -35,8 +36,8 @@ build_triplet = @build@
 host_triplet = @host@
 bin_PROGRAMS = netgen$(EXEEXT)
 subdir = ng
-DIST_COMMON = $(noinst_HEADERS) $(srcdir)/Makefile.am \
-	$(srcdir)/Makefile.in
+DIST_COMMON = $(dist_bin_SCRIPTS) $(noinst_HEADERS) \
+	$(srcdir)/Makefile.am $(srcdir)/Makefile.in
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/m4/libtool.m4 \
 	$(top_srcdir)/m4/ltoptions.m4 $(top_srcdir)/m4/ltsugar.m4 \
@@ -47,7 +48,7 @@ am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
 CONFIG_HEADER = $(top_builddir)/config.h
 CONFIG_CLEAN_FILES =
-am__installdirs = "$(DESTDIR)$(bindir)"
+am__installdirs = "$(DESTDIR)$(bindir)" "$(DESTDIR)$(bindir)"
 binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
 PROGRAMS = $(bin_PROGRAMS)
 am_netgen_OBJECTS = demoview.$(OBJEXT) ngappinit.$(OBJEXT) \
@@ -67,6 +68,11 @@ netgen_DEPENDENCIES = $(top_builddir)/libsrc/csg/libcsg.a \
 	$(top_builddir)/libsrc/general/libgeneral.a \
 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1) \
 	$(am__DEPENDENCIES_1) $(am__DEPENDENCIES_1)
+netgen_LINK = $(LIBTOOL) --tag=CXX $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) \
+	--mode=link $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) \
+	$(netgen_LDFLAGS) $(LDFLAGS) -o $@
+dist_binSCRIPT_INSTALL = $(INSTALL_SCRIPT)
+SCRIPTS = $(dist_bin_SCRIPTS)
 DEFAULT_INCLUDES = -I.@am__isrc@ -I$(top_builddir)
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
@@ -241,7 +247,6 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 noinst_HEADERS = demoview.hpp
 AM_CPPFLAGS = -I$(top_srcdir)/libsrc/include -I$(top_srcdir)/libsrc/interface -DOPENGL $(OCCFLAGS)  $(TCL_INCLUDES) 
-METASOURCES = AUTO
 netgen_SOURCES = demoview.cpp ngappinit.cpp ngpkg.cpp onetcl.cpp
 netgen_LDADD = $(top_builddir)/libsrc/csg/libcsg.a \
 	$(top_builddir)/libsrc/geom2d/libgeom2d.a $(top_builddir)/libsrc/interface/libinterface.a \
@@ -251,6 +256,11 @@ netgen_LDADD = $(top_builddir)/libsrc/csg/libcsg.a \
 	$(top_builddir)/libsrc/linalg/libla.a $(top_builddir)/libsrc/general/libgeneral.a \
 	$(OCCLIBS) $(TOGLLIBDIR) -lTogl1.7 -lGLU $(TK_LIB_SPEC) $(TCL_LIB_SPEC)
 
+dist_bin_SCRIPTS = dialog.tcl menustat.tcl ngicon.tcl ng.tcl \
+ngvisual.tcl sockets.tcl drawing.tcl nghelp.tcl ngshell.tcl  \
+ngtesting.tcl parameters.tcl variables.tcl
+
+netgen_LDFLAGS = -rdynamic
 all: all-am
 
 .SUFFIXES:
@@ -314,7 +324,26 @@ clean-binPROGRAMS:
 	done
 netgen$(EXEEXT): $(netgen_OBJECTS) $(netgen_DEPENDENCIES) 
 	@rm -f netgen$(EXEEXT)
-	$(CXXLINK) $(netgen_OBJECTS) $(netgen_LDADD) $(LIBS)
+	$(netgen_LINK) $(netgen_OBJECTS) $(netgen_LDADD) $(LIBS)
+install-dist_binSCRIPTS: $(dist_bin_SCRIPTS)
+	@$(NORMAL_INSTALL)
+	test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
+	@list='$(dist_bin_SCRIPTS)'; for p in $$list; do \
+	  if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
+	  if test -f $$d$$p; then \
+	    f=`echo "$$p" | sed 's|^.*/||;$(transform)'`; \
+	    echo " $(dist_binSCRIPT_INSTALL) '$$d$$p' '$(DESTDIR)$(bindir)/$$f'"; \
+	    $(dist_binSCRIPT_INSTALL) "$$d$$p" "$(DESTDIR)$(bindir)/$$f"; \
+	  else :; fi; \
+	done
+
+uninstall-dist_binSCRIPTS:
+	@$(NORMAL_UNINSTALL)
+	@list='$(dist_bin_SCRIPTS)'; for p in $$list; do \
+	  f=`echo "$$p" | sed 's|^.*/||;$(transform)'`; \
+	  echo " rm -f '$(DESTDIR)$(bindir)/$$f'"; \
+	  rm -f "$(DESTDIR)$(bindir)/$$f"; \
+	done
 
 mostlyclean-compile:
 	-rm -f *.$(OBJEXT)
@@ -429,9 +458,9 @@ distdir: $(DISTFILES)
 	done
 check-am: all-am
 check: check-am
-all-am: Makefile $(PROGRAMS) $(HEADERS)
+all-am: Makefile $(PROGRAMS) $(SCRIPTS) $(HEADERS)
 installdirs:
-	for dir in "$(DESTDIR)$(bindir)"; do \
+	for dir in "$(DESTDIR)$(bindir)" "$(DESTDIR)$(bindir)"; do \
 	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
 	done
 install: install-am
@@ -482,7 +511,7 @@ install-data-am:
 
 install-dvi: install-dvi-am
 
-install-exec-am: install-binPROGRAMS
+install-exec-am: install-binPROGRAMS install-dist_binSCRIPTS
 
 install-html: install-html-am
 
@@ -514,7 +543,7 @@ ps: ps-am
 
 ps-am:
 
-uninstall-am: uninstall-binPROGRAMS
+uninstall-am: uninstall-binPROGRAMS uninstall-dist_binSCRIPTS
 
 .MAKE: install-am install-strip
 
@@ -522,15 +551,16 @@ uninstall-am: uninstall-binPROGRAMS
 	clean-generic clean-libtool ctags distclean distclean-compile \
 	distclean-generic distclean-libtool distclean-tags distdir dvi \
 	dvi-am html html-am info info-am install install-am \
-	install-binPROGRAMS install-data install-data-am install-dvi \
-	install-dvi-am install-exec install-exec-am install-html \
-	install-html-am install-info install-info-am install-man \
-	install-pdf install-pdf-am install-ps install-ps-am \
-	install-strip installcheck installcheck-am installdirs \
-	maintainer-clean maintainer-clean-generic mostlyclean \
-	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
-	pdf pdf-am ps ps-am tags uninstall uninstall-am \
-	uninstall-binPROGRAMS
+	install-binPROGRAMS install-data install-data-am \
+	install-dist_binSCRIPTS install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-ps install-ps-am install-strip \
+	installcheck installcheck-am installdirs maintainer-clean \
+	maintainer-clean-generic mostlyclean mostlyclean-compile \
+	mostlyclean-generic mostlyclean-libtool pdf pdf-am ps ps-am \
+	tags uninstall uninstall-am uninstall-binPROGRAMS \
+	uninstall-dist_binSCRIPTS
 
 # Tell versions [3.59,3.63) of GNU make to not export all variables.
 # Otherwise a system limit (for SysV at least) may be exceeded.
diff --git a/ng/ngappinit.cpp b/ng/ngappinit.cpp
index e908a8c5..164fc980 100644
--- a/ng/ngappinit.cpp
+++ b/ng/ngappinit.cpp
@@ -214,7 +214,7 @@ int main(int argc, char ** argv)
       // parse tcl-script
       int errcode;
 
-      bool internaltcl = true;
+      bool internaltcl = false;
       if (shellmode)
         internaltcl = false;
   
@@ -232,6 +232,7 @@ int main(int argc, char ** argv)
         internaltcl=true;
       if (parameters.GetDefineFlag ("externaltcl"))
         internaltcl=false;
+
  
 
       if (internaltcl)