relocation truncated to fit: R_X86_64_PC32

[marco atzeri]

trying to build octave-3.6.4 on alpha cygwin64 with gcc-4.8 I hit:

libtool: link: g++ -shared -nostdlib
/usr/lib/gcc/x86_64-pc-cygwin/4.8.0/crtbegin.o
.libs/liboctinterp.la.lnkscript
-L/pub/devel/octave/octave-3.6.4-1/build/libcruft/.libs -L/usr/local/lib
../liboctave/.libs/liboctave.dll.a
/pub/devel/octave/octave-3.6.4-1/build/libcruft/.libs/libcruft.dll.a
-lcholmod -lumfpack -lamd -lcamd -lcolamd -lccolamd -lcxsparse -larpack
-lqrupdate -lfftw3 -lfftw3f -l                    readline -lncurses
-lpcre ../libcruft/.libs/libcruft.dll.a -llapack -lblas -lgfortran
-lquadmath -lhdf5 -lz -lX11 -L/usr/lib/gcc/x86_64-pc-cygwin/4.8.0
-L/usr/lib/gcc/x86_64-pc-cygwin/4.8.0/../../..
/../x86_64-pc-cygwin/lib/../lib
-L/usr/lib/gcc/x86_64-pc-cygwin/4.8.0/../../../../lib -L/lib/../lib
-L/usr/lib/../lib
-L/usr/lib/gcc/x86_64-pc-cygwin/4.8.0/../../../../x86_64-pc-cygwin/lib
-L/usr/lib/gcc/x86_64-pc-cygwin/4.8.0/../../.. -lstdc++ -lgcc_s -lgcc
-lcygwin -ladvapi32 -lshell32 -luser32  -lkernel32 -lgcc_s -lgcc
/usr/lib/gcc/x86_64-pc-cygwin/4.8.0/crtend.o  -O2 -O2 -O2
-Wl,-no-undefined   -o .libs/cygoctinterp-1.dll
-Wl,--enable-auto-image-base -Xlinker --out-implib -Xlinker
.libs/liboctinterp.dll.a
mv DLD-FUNCTIONS/PKG_ADD-t DLD-FUNCTIONS/PKG_ADD

.libs/liboctinterp_la-ov-int16.o:ov-int16.cc:(.rdata+0x24): relocation
truncated to fit: R_X86_64_PC32 against
`.text$_ZNK19octave_int16_scalar3mapEN17octave_base_value14unary_mapper_tE'

anyone seen the same on other 64bit platform ?
Suggestion ?

Regards
Marco