I tried the link step from the command line manually, but get the same error messages. In which library is __asan_memcpy expected to reside ? Thanks Peter
On 6 May 2014 12:23, Jeffrey Walton <noloa...@gmail.com> wrote: > On Tue, May 6, 2014 at 5:36 AM, Peter Caspers <pcaspers1...@gmail.com> wrote: >> yes, I use clang with the sanitize option to link. I have the >> following libs installed >> >> peter@peter-ThinkPad-W520:/usr/local/lib/clang/3.5.0/lib/linux$ ls >> libclang_rt.asan-x86_64.a libclang_rt.lsan-x86_64.a >> libclang_rt.san-x86_64.a libclang_rt.ubsan-x86_64.a >> libclang_rt.dfsan-x86_64.a libclang_rt.msan-x86_64.a >> libclang_rt.tsan-x86_64.a >> libclang_rt.full-x86_64.a libclang_rt.profile-x86_64.a >> libclang_rt.ubsan_cxx-x86_64.a >> >> You think that should work then ? > How do you invoke Clang? Are the sanitizer flags part of CFLAGS and CXXFLAGS? > > Is this an Autools project? Sometimes you have to be creative with > Autotools projects. For example, you might need to do: > > export CC="clang -fsanitize=undefined -fsanitize=address" > export CXX="clang -fsanitize=undefined -fsanitize=address > -fno-sanitize=vptr" > > That's because there will sometimes be a link line that *omits* CFLAGS > and CXXFLAGS. For example: > > # Link using the compiler... > $(CC) -o $(program_name) $(OBJECTS) $(LDFLAGS) $(LDLIBS) > > On Mac OS X, I also find I need to set DYLD_FALLBACK_LIBRARY_PATH > before executing: > > export DYLD_FALLBACK_LIBRARY_PATH=/usr/local/lib/clang/3.4/lib/darwin/ > ./my_program > > I don't recall doing similar on Linux. (But I may have done it and > forgotten about it). > > Jeff _______________________________________________ cfe-users mailing list cfe-users@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/cfe-users
