[Libreoffice] Segmentation faults in unit tests

LibreOffice builds now run for almost 3 hours before failing on DragonFly.
The errors are always of the same sort: some kind of segmentation fault
with an unit test :

Entering /home/ftigeot/Projects/LibreOffice/bootstrap/cui/source/options

Making:    all_options.dpslo
Making:    options.dpr
Making:    options.options.dprr
/usr/pkg/bin/bash: line 1: 40124 Segmentation fault: 11  (core dumped) 
LD_LIBRARY_PATH=${LD_LIBRARY_PATH+${LD_LIBRARY_PATH}:}/home/ftigeot/Projects/LibreOffice/bootstrap/clone/writer/starmath/unxdflyx3.pro/lib:/home/ftigeot/Projects/LibreOffice/bootstrap/solver/330/unxdflyx3.pro/lib
 /home/ftigeot/Projects/LibreOffice/bootstrap/solver/330/unxdflyx3.pro/bin/cppunittester 
../../unxdflyx3.pro/lib/libtest_starmath.so -headless -invisible 
-env:UNO_SERVICES=file:///home/ftigeot/Projects/LibreOffice/bootstrap/clone/writer/starmath/qa/cppunit/../../unxdflyx3.pro/misc/qa_cppunit/services.rdb
 
-env:UNO_TYPES="file:///home/ftigeot/Projects/LibreOffice/bootstrap/clone/writer/starmath/qa/cppunit/../../unxdflyx3.pro/misc/qa_cppunit/types.rdb
 
file:///home/ftigeot/Projects/LibreOffice/bootstrap/clone/writer/starmath/qa/cppunit/../../unxdflyx3.pro/misc/qa_cppunit/udkapi.rdb"
 
-env:OOO_BASE_DIR="file:///home/ftigeot/Projects/LibreOffice/bootstrap/clone/writer/starmath/qa/cppunit/../../unxdflyx3.pro/misc/qa_cppunit"
 
-env:BRAND_BASE_DIR="file:///home/ftigeot/Projects/LibreOffice/bootstrap/clone/writer/starmath/qa/cppunit/../../unxdflyx3.pro/misc/qa_cppunit"
 
-env:UNO_USER_PACKAGES_CACHE="file:///home/ftigeot/Projects/LibreOffice/bootstrap/clone/writer/starmath/qa/cppunit/../../unxdflyx3.pro/misc/qa_cppunit"
dmake:  Error code 139, while making 'test'

When running cppunittester by hand, I also get these messages:

terminate called after throwing an instance of 'com::sun::star::uno::RuntimeException'
[1]    15465 abort (core dumped)  LD_LIBRARY_PATH= ../../unxdflyx3.pro/lib/libswdoctest.so 
-headless -invisibl

-- 
Francois Tigeot