Hello, Jeffrey Walton, le dim. 03 févr. 2019 10:20:19 -0500, a ecrit: > I'm trying to build a debug configuration with UBsan: > > $ g++ -DDEBUG -g2 -O1 -fsanitize=undefined TestPrograms/test_cxx.cxx > /usr/bin/ld: cannot find -lubsan I don't think anybody took the time to fix the missing bits for gcc's usan on GNU/Hurd Samuel