* Evgeny Vereshchagin: > ASan, UBSan and MSan provided by clang aren't compatible with --no-undefined > and -z,defs: > https://clang.llvm.org/docs/AddressSanitizer.html#usage > https://github.com/google/sanitizers/issues/380 > so to build elfutils with clang with the sanitizers it should be possible > to turn them off. > > Without this patch something like > > sed -i 's/^\(ZDEFS_LDFLAGS=\).*/\1/' configure.ac > find -name Makefile.am | xargs sed -i 's/,--no-undefined//' > > should be used to make elfutils compile. > > The patch was tested in https://github.com/evverx/elfutils/pull/24 by > compiling elfutils with both gcc and clang with and without ASan/UBsan > and running `make check && make distcheck`. --no-undefined and -z,defs > are still passed by default as expected.
Why isn't this a bug in the compiler driver? Nowadays, GCC passes -lasan if -fsanitize=address is used. I think that's quite reasonable. Thanks, Florian
