linux 64 bits support

[Enrico Segre]

> configure: error: 64 bits support needs a fortran 90 compiler.

problem solved, I was probably misapplying the patch. The correct command for me is FWM

 patch -p2 -R < patch-64bits.diff 

issued at the SCI level. 

However:

./configure --without-matio --with-jdk=/usr/java/jdk1.6.0_05/; make -j4
...
make[2]: Leaving directory `/usr/share/scilab/modules/javasci'
make[1]: Leaving directory `/usr/share/scilab/modules'
make[1]: Entering directory `/usr/share/scilab'
/bin/sh ./libtool --tag=CC   --mode=link gcc  -g -O2  -DNDEBUG -Dlinux
-DNARROWPROTO -mfpmath=sse -msse2 -m64 -I./libs/MALLOC/includes/
-I./modules/localization/includes/   -o scilab-bin
scilab_bin-main_linux.o ./modules/libscilab.la ./modules/shell/libscishell.la 
mkdir .libs
gcc -g -O2 -DNDEBUG -Dlinux -DNARROWPROTO -mfpmath=sse -msse2 -m64
-I./libs/MALLOC/includes/ -I./modules/localization/includes/
-o .libs/scilab-bin
scilab_bin-main_linux.o  ./modules/.libs/libscilab.so ./modules/shell/.libs/libscishell.so  -Wl,--rpath -Wl,/usr/local/lib/scilab
/usr/bin/ld: warning: libjava.so, needed
by ./modules/shell/.libs/libscishell.so, not found (try using -rpath or
-rpath-link)
/usr/bin/ld: warning: libverify.so, needed
by ./modules/shell/.libs/libscishell.so, not found (try using -rpath or
-rpath-link)
/usr/bin/ld: warning: libjvm.so, needed
by ./modules/shell/.libs/libscishell.so, not found (try using -rpath or
-rpath-link)
/usr/share/scilab/modules/gui/.libs/libscigui.so.5: undefined reference
to
`org_scilab_modules_gui_bridge::CallScilabBridge::getFontChooserItalic(JavaVM_*, long)'

...

collect2: ld returned 1 exit status
make[1]: *** [scilab-bin] Error 1
make[1]: Leaving directory `/usr/share/scilab'
make: *** [all-recursive] Error 1

locate libverify.so
/usr/java/jdk1.6.0_05/jre/lib/amd64/libverify.so

locate libjvm.so
/usr/java/jdk1.6.0_05/jre/lib/amd64/server/libjvm.so

locate libjava.so
/usr/java/jdk1.6.0_05/jre/lib/amd64/libjava.so

Uff...