https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62105
--- Comment #2 from Julian Taylor <jtaylor.debian at googlemail dot com> --- -whole-archive applies to static libraries, gcc links a shared library by default using -static-libtsan does not add libtsan at all: $ gcc-4.10 test.c -static-libtsan -fsanitize=thread -v -fPIC -shared 2>&1 | grep --color tsan $ ldd -r a.out undefined symbol: __tsan_init (./a.out) undefined symbol: __tsan_func_exit (./a.out) undefined symbol: __tsan_func_entry (./a.out) undefined symbol: __tsan_write8 (./a.out) undefined symbol: __tsan_read8 (./a.out)
