diff -uNr pythia6.ORIG/idate.c pythia6/idate.c
--- pythia6.ORIG/idate.c	2012-05-02 15:46:18.000000000 +0900
+++ pythia6/idate.c	2012-05-02 15:46:18.000000000 +0900
@@ -0,0 +1,25 @@
+#include <time.h>
+
+void idate_(int idtemp[])
+{
+  struct tm q;
+  time_t    tp;
+
+  time(&tp);
+  q = *localtime(&tp);
+  idtemp[0] = q.tm_year + 1900;
+  idtemp[1] = q.tm_mon + 1;
+  idtemp[2] = q.tm_mday;
+}
+
+void itime_(int idtemp[])
+{
+  struct tm q;
+  time_t    tp;
+
+  time(&tp);
+  q = *localtime(&tp);
+  idtemp[0] = q.tm_hour;
+  idtemp[1] = q.tm_min;
+  idtemp[2] = q.tm_sec;
+}
diff -uNr pythia6.ORIG/makePythia6.linux pythia6/makePythia6.linux
--- pythia6.ORIG/makePythia6.linux	2007-09-27 19:57:18.000000000 +0900
+++ pythia6/makePythia6.linux	2012-05-02 15:46:18.000000000 +0900
@@ -1,7 +1,9 @@
 # /bin/sh
-g77 -c -fPIC pythia*.f
-g77 -c -fPIC  -fno-second-underscore tpythia6_called_from_cc.F
+gfortran -c -fPIC pythia*.f
+gfortran -c -fPIC  -fno-second-underscore tpythia6_called_from_cc.F
 echo 'void MAIN__() {}' >main.c
 gcc -c -fPIC main.c
 gcc -c -fPIC pythia6_common_address.c
-g77 -shared -Wl,-soname,libPythia6.so -o libPythia6.so main.o  pythia*.o tpythia*.o
+gcc -c -fPIC idate.c
+gfortran -c -fPIC pydatawrapper.F
+gfortran -shared -Wl,-soname,libPythia6.so -o libPythia6.so main.o  pythia*.o tpythia*.o idate.o pydatawrapper.o
diff -uNr pythia6.ORIG/makePythia6.macosx pythia6/makePythia6.macosx
--- pythia6.ORIG/makePythia6.macosx	2007-09-27 19:57:19.000000000 +0900
+++ pythia6/makePythia6.macosx	2012-05-02 15:46:18.000000000 +0900
@@ -1,14 +1,16 @@
 # /bin/sh
-g77 -c pythia*.f
-g77 -fno-second-underscore -c tpythia6_called_from_cc.F
+gfortran -c pythia*.f
+gfortran -c pydatawrapper.F
+gfortran -fno-second-underscore -c tpythia6_called_from_cc.F
 echo 'void MAIN__() {}' > main.c
 gcc -c main.c
 gcc -c pythia6_common_address.c
-g77 -v -bundle -flat_namespace -undefined dynamic_lookup -o libPythia6.so \
- main.o tpythia6_called_from_cc.o pythia*.o
-g77 -dynamiclib -flat_namespace -single_module -undefined dynamic_lookup \
- -install_name $HOME/pythia6/libPythia6.dylib -o libPythia6.dylib \
- main.o tpythia6_called_from_cc.o pythia*.o
+gcc -c idate.c
+rm -f libPythia6.dylib libPythia6.so
+gfortran -dynamiclib -flat_namespace -single_module -undefined dynamic_lookup \
+     -install_name @rpath/libPythia6.dylib -o libPythia6.dylib \
+    main.o tpythia6_called_from_cc.o pythia*.o pydatawrapper.o idate.o
+ln -s libPythia6.dylib libPythia6.so
 rm -f libPythia6.a
-ar rv libPythia6.a main.o tpythia6_called_from_cc.o pythia*.o
+ar rv libPythia6.a main.o tpythia6_called_from_cc.o pythia*.o pydatawrapper.o idate.o
 ranlib libPythia6.a
diff -uNr pythia6.ORIG/makePythia6.macosx64 pythia6/makePythia6.macosx64
--- pythia6.ORIG/makePythia6.macosx64	2009-04-08 23:36:42.000000000 +0900
+++ pythia6/makePythia6.macosx64	2012-05-02 15:52:41.000000000 +0900
@@ -7,14 +7,15 @@
 macosx_minor=`sw_vers | sed -n 's/ProductVersion://p' | cut -d . -f 2`
 
 gfortran -m64 -c pythia*.f
+gfortran -c pydatawrapper.F
 gfortran -m64 -fno-second-underscore -c tpythia6_called_from_cc.F
 echo 'void MAIN__() {}' > main.c
 gcc -m64 -c main.c
 gcc -m64 -c pythia6_common_address.c
+gcc -c idate.c
 rm -f libPythia6.dylib libPythia6.so
 gcc -m64 -dynamiclib -single_module -undefined dynamic_lookup \
-   -install_name $HOME/pythia6/libPythia6.dylib -o libPythia6.dylib \
-   main.o tpythia6_called_from_cc.o pythia*.o \
-   `gfortran -m64 -print-file-name=libgfortran.dylib` \
-   `gfortran -m64 -print-file-name=libgfortran.a`
+   -install_name @rpath/libPythia6.dylib -o libPythia6.dylib \
+   main.o tpythia6_called_from_cc.o pythia*.o pydatawrapper.o idate.o \
+   `gfortran -m64 -print-file-name=libgfortran.dylib`
 ln -s libPythia6.dylib libPythia6.so
diff -uNr pythia6.ORIG/pydatawrapper.F pythia6/pydatawrapper.F
--- pythia6.ORIG/pydatawrapper.F	2012-05-02 15:46:18.000000000 +0900
+++ pythia6/pydatawrapper.F	2012-05-02 15:46:18.000000000 +0900
@@ -0,0 +1,8 @@
+      subroutine pydatawrapper
+      external pydata
+      call pydatadummysub(pydata)
+      return
+      end
+      subroutine pydatadummysub(a)
+      return
+      end