configure uses --with-swig now, if without it will try to reuse previously generted api

Author: nsimakov

configure.ac

@@ -154,23 +154,45 @@ else
 fi
 AM_CONDITIONAL([WITH_GDAL], test "x$with_gdal" != "xno")
 
-
+#SWIG
 #-------------------------------------------------------------------------------------
-AC_ARG_VAR([SWIG],[path to swig, python api generator])
-AC_PATH_PROG([SWIG],[swig],[])
-if test "x$SWIG" = "x"; then
-	AC_MSG_ERROR([swig is not found, set SWIG variable!])
-fi
-SWIG_VERSION=`$SWIG -version|grep ersion|cut -d ' ' -f 3`
-SWIG_VERSION_MAJOR=`echo $SWIG_VERSION|cut -d . -f1`
-if test "x$SWIG_VERSION_MAJOR" != "x3"; then
-	AC_MSG_ERROR([swig is too old should be at least 3.0, set SWIG variable for custom location!])
-fi
-AC_MSG_NOTICE([swig version: $SWIG_VERSION])
+AC_ARG_WITH(swig,
+            AS_HELP_STRING([--with-swig=<path to swig executable>],
+            [Specify path to SWIG executable. ]
+            [If set will (re)generate python API, otherwise will try to use previously generated sources. ]
+            [Note that github repository do not track them.]),)
+#only developers/advanced user should call swig
+#the public source code releases should come with swig generated files
+if test -n "$with_swig"; then
+    SWIG=$with_swig
+    AC_PATH_PROG([SWIG],[swig],[])
+	if test "x$SWIG" = "x"; then
+		AC_MSG_ERROR([swig is not found, set SWIG variable!])
+	fi
+	SWIG_VERSION=`$SWIG -version|grep ersion|cut -d ' ' -f 3`
+	SWIG_VERSION_MAJOR=`echo $SWIG_VERSION|cut -d . -f1`
+	if test "x$SWIG_VERSION_MAJOR" != "x3"; then
+		AC_MSG_ERROR([swig is too old should be at least 3.0, set SWIG variable for custom location!])
+	fi
+	AC_MSG_NOTICE([swig: $SWIG])
+	AC_MSG_NOTICE([swig version: $SWIG_VERSION])
+else
+    #check for swig generated files presence
+    AC_CHECK_FILE($srcdir/src/main/cxxtitan_wrap.cxx,
+    	AC_MSG_NOTICE([found cxxtitan_wrap.cxx]),
+    	AC_MSG_FAILURE([Couldn't find SWIG generated python API sources.]
+    	[Set --with-swig to SWIG to regenerate interface.])
+    )
+    AC_CHECK_FILE($srcdir/src/main/cxxtitan.py,
+    	AC_MSG_NOTICE([found cxxtitan_wrap.cxx]),
+    	AC_MSG_FAILURE([Couldn't find SWIG generated python API sources.]
+    	[Set --with-swig to SWIG to regenerate interface.])
+    )
+fi           
+AM_CONDITIONAL([WITH_SWIG], test "x$with_swig" != "xno")
 
 #-------------------------------------------------------------------------------------
 AC_CHECK_LIB(m,matherr)
-AC_CHECK_LIB(nsl, inet_ntoa)
 
 ## Checks for header files
 #=====================================================================================

src/header/hd5calls.h

@@ -26,6 +26,7 @@ const int XDMF_NEW = 0;
 const int XDMF_OLD = 1;
 const int XDMF_CLOSE = 2;
 
+#define __STDC_FORMAT_MACROS
 #include <hdf5.h>
 
 
@@ -97,7 +98,6 @@ hid_t GH5_createdataset(hid_t gid, hid_t spcid, const char *dsetname, unsigned t
 
 
 
-#ifdef __cplusplus
 #include <H5Cpp.h>
 
 #include <iostream>
@@ -422,5 +422,4 @@ inline void TiH5_readArray2DDataSet__(const H5::Group &group, double *value, con
 
 
 
-#endif
 #endif

src/header/sfc.h

@@ -152,11 +152,11 @@ inline SFC_Key sfc_key_read_from_space(const unsigned readspace[],int & pos)
 }
 #else
 #include <stdio.h>
-#include <stdint.h>
 #define __STDC_FORMAT_MACROS
 #include <inttypes.h>
 typedef uint64_t SFC_Key;
 
+
 inline void fprintf_sfc_key(FILE *fout, const SFC_Key& obj)
 {
     fprintf(fout,"%" PRIu64 "\n",obj);

src/main/Makefile.am

@@ -16,13 +16,14 @@ titan_LDADD = ../preproc/libtitan_preprocess.a ../gisapi/libgisapi.a ../adapt/li
   ../datstr/libdatstr.a ../geoflow/libgeoflow.a ../useful/libuseful.a \
   ../repartition/librepartition.a ../tecplot/libtecplot.a \
   ../vectordatapreproc/libvectordatpreproc.a \
-  -L@PYTHON_ROOT@/lib -lpython@PYTHON_VERSION@ -lutil
+  -L@PYTHON_ROOT@/lib -lpython@PYTHON_VERSION@
 
 #titan_simulation_CXXFLAGS = -fpic
 
+if WITH_SWIG
 cxxtitan_wrap.cxx:cxxtitan.i ../header/properties.h ../header/titan_simulation.h ../preproc/preproc.h
 	@SWIG@ $(CPPFLAGS) -c++ -v -python -o $(srcdir)/cxxtitan_wrap.cxx -oh $(srcdir)/cxxtitan.py $(srcdir)/cxxtitan.i
-
+endif
 
 
 pyfilesdir=$(pythondir)/titan

src/main/cxxtitan.i

@@ -15,7 +15,9 @@
  */
 
 %module cxxtitan
-
+%begin %{
+#define __STDC_FORMAT_MACROS
+%}
 %{
 #include "../header/constant.h"
 #include "../header/properties.h"

src/main/titan.C

@@ -23,6 +23,7 @@
 #endif
 
 #include <stdio.h>
+#include <string.h>
 #include <unistd.h>
 
 #include "../header/ticore/omp_mpi.hpp"
@@ -45,6 +46,7 @@ extern "C" void init_cxxtitan();
 
 int main(int argc, char *argv[])
 {
+    printf("Titan2d\n");
     int myid, master, numprocs;
     int namelen;
 
@@ -55,12 +57,33 @@ int main(int argc, char *argv[])
     //set program full name
     int i;
     char executable[1028];
+    char python_home[1028];
     char buffer[1028];
 
     i = readlink("/proc/self/exe", executable, 1028);
     executable[i] = '\0';
     Py_SetProgramName(executable);
-    
+
+//#define MAKE_PORTABLE
+#ifdef MAKE_PORTABLE
+    strncpy(python_home,executable,1028);
+    printf("%s\n",python_home);
+    int count=0;
+    for(i=strlen(python_home);i>=0;--i)
+    {
+        if(python_home[i]=='/')
+        {
+            python_home[i]='\0';
+            ++count;
+            if(count==2)break;
+        }
+    }
+
+    printf("%s\n",python_home);
+    sprintf(python_home+strlen(python_home),"/lib/python");
+    printf("%s\n",python_home);
+    Py_SetPythonHome(python_home);
+#endif
     Py_Initialize();
 
     if(myid == 0)

src/main/titan_simulation.C

@@ -612,8 +612,8 @@ void cxxTitanSimulation::save_restart_file()
         xmdf<<"\t\t\t\t</DataItem>\n";
     }
     xmdf<<"\t\t\t</DataItem>\n";
-#endif
     xmdf<<"\t\t</Topology>\n";
+#endif
 
     //Geometry
     xmdf<<"\t\t<Geometry Type=\"XYZ\">\n";