uno.bin core dump during build

Hi,
while building on XStreamOS / illumos, looks like uno.bin gets corrupted then causing a core dump 
at first build usage.
I checked with ldd that uno.bin and built libs are correctly linking.
the dumping build command:
sonicle@xstreamdev:/sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/build/i86/instdir$
 
LD_LIBRARY_PATH=${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}"/sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/build/i86/instdir/ure/lib:/sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/build/i86/instdir/program"
   
/sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/build/i86/instdir/ure/bin/uno.bin
 -s com.sun.star.test.bridge.BridgeTest -- com.sun.star.test.bridge.CppTestObject 
-env:LO_BUILD_LIB_DIR=file:///sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/build/i86/workdir/LinkTarget/Library
 
-env:URE_MORE_SERVICES=file:///sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/build/i86/workdir/Rdb/uno_services.rdb
 
-env:URE_MORE_TYPES=file:///sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/build/i86/workdir/UnoApiTarget/bridgetest.rdb
terminate called after throwing an instance of 'com::sun::star::uno::RuntimeException'
Abort (core dumped)
the core stack trace:
core file = core -- program 
``/sources/sonicle/xstream-desktop-gate/components/libreoffice/libreoffice/libreoffice-4.4.0.3/instdir/ure/bin/uno.bin''
 on platform i86pc
SIGABRT: Abort
$C
080461d8 libc.so.1`_lwp_kill+0x15(1, 6, 5aa, fef66000, fef66000, 8046570)
080461f8 libc.so.1`raise+0x2b(6, 0, 8046210, fedd7000, 0, 0)
08046248 libc.so.1`abort+0x10e(809e040, 1, 2, fef67c00, feda7f9b, 809e040)
08046288 libstdc++.so.6.0.17`_ZN9__gnu_cxx27__verbose_terminate_handlerEv+0x17e(80462b0, fefc3410, 
0, 809e010, 0, fe8e2a28)
080462b8 libstdc++.so.6.0.17`_ZN10__cxxabiv111__terminateEPFvvE+0x19(fedabdb4, 474e5543, 80a0a70, 
80462e8, feda8862, 809e040)
080462e8 libstdc++.so.6.0.17`__cxa_call_terminate+0x57(809e040, 8046348, 8046350, 804634c, 
fe41e580, 804632c)
080463a8 libstdc++.so.6.0.17`__gxx_personality_v0+0x49c(1, 6, 432b2b00, 474e5543, 809e040, 8046570)
080464b8 libgcc_s.so.1`_Unwind_RaiseException_Phase2+0x52(8046570, 1, 432b2b00, 474e5543, 809e040, 
8046570)
080466c8 libgcc_s.so.1`_Unwind_RaiseException+0x12a(809e040, fefc3410, fe350bb8, 28, fe31b112, 
fe8b0970)
080466f8 libstdc++.so.6.0.17`__cxa_throw+0x82(809e060, fe348e40, fe3161d2, 804674c, feeec9fd, 47)
08046728 libtesttools_cppobj.so`_ZN13bridge_object9Test_Impl13getRaiseAttr1Ev+0x46(fe4a63cc, 
fe405c57, fedcba98, 804674c, fe405456, 0)
0804676c 
libgcc3_uno.so`_ZN12_GLOBAL__N_1L17callVirtualMethodEPvlS0_18_typelib_TypeClassPll+0x64(fe4a63e0, 
25, 8046b58, 6, 80467a0, 1)
0804683c 
libgcc3_uno.so`_ZN12_GLOBAL__N_1L8cpp_callEPN7bridges7cpp_uno6shared17UnoInterfaceProxyENS2_10VtableSlotEP33_typelib_TypeDescriptionReferencelP24_typelib_MethodParameterPvPSA_PP8_uno_Any+0x46d(8098a18,
 0, 25, 808c5b8, 0, 0)
080468ec 
libgcc3_uno.so`_ZN7bridges7cpp_uno6shared25unoInterfaceProxyDispatchEP14_uno_InterfacePK24_typelib_TypeDescriptionPvPS7_PP8_uno_Any+0xa1(8098a18,
 80934a8, 8046b58, 8046910, 8046938, 808c5b8)
0804699c 
libgcc3_uno.so`_ZN12_GLOBAL__N_1L12cpp2uno_callEPN7bridges7cpp_uno6shared17CppInterfaceProxyEPK24_typelib_TypeDescriptionP33_typelib_TypeDescriptionReferencelP24_typelib_MethodParameterPPvPx+0x3d3(808d4d8,
 80934a8, 808c5b8, 0, 0, 8046b70)
08046b2c libgcc3_uno.so`_ZN12_GLOBAL__N_1L11cpp_mediateEllPPvPx+0x29e(25, 0, 8046b70, 8046b58, 
8046b5c, 8046b70)
08046b6c libgcc3_uno.so`_ZN12_GLOBAL__N_1L15cpp_vtable_callEiiPPv+0x2f(808d4ec, fe397494, 3fb99999, 
9999999a, 3fc99999, 33333333)
08047448 
libtesttools_bridgetest.so`_ZN11bridge_testL11performTestERKN3com3sun4star3uno9ReferenceINS3_17XComponentContextEEERKNS4_IN4test9testtools10bridgetest11XBridgeTestEEEb+0x1901(fe7c5614,
 80474b4, 0, fe7c5614, 0, 8084000)
08047528 
libtesttools_bridgetest.so`_ZN11bridge_test14TestBridgeImpl3runERKN3com3sun4star3uno8SequenceIN3rtl8OUStringEEE+0x4c5(fe7c55f8,
 8047614, 0, 8047608, 0, fe8c3000)
08047708 _ZL8sal_mainv+0xfa0(8, 8047760, 8047738, 8071e90, feffb0a4, fef6fe2c)
08047738 main+0x2c(8, 8047760, 8047784, 8064862, 8071ea0, 0)
08047754 _start+0x83(8, 804785c, 80478c7, 80478ca, 80478ee, 80478f1)
...any idea?
Gabriele