================ @@ -43,6 +43,12 @@ // RUN: %clang -fsanitize=fuzzer --target=i386-unknown-linux -stdlib=libc++ -static-libstdc++ %s -### 2>&1 | FileCheck --check-prefixes=CHECK-LIBCXX-STATIC %s // CHECK-LIBCXX-STATIC: "-Bstatic" "-lc++" +// Check that we add required sanitizer dependencies when dynamically linking +// the sanitizer runtime (e.g. libFuzzer uses ceilf in libm). ---------------- bjosv wrote:
`ceilf` was what I got when building without the correction. I can't find it either so can change to `sqrt`. ``` > cd /home/bjorn/repos/llvm-project/build/bin > ./clang -fsanitize=fuzzer -shared-libsan -Wl,-rpath=$(dirname $(./clang > --print-file-name=libclang_rt.ubsan_standalone-x86_64.so)) ~/tmp/test_fuzzer.c /usr/bin/ld: /home/bjorn/repos/llvm-project/build/lib/clang/22/lib/x86_64-unknown-linux-gnu/libclang_rt.fuzzer.a(fuzzer.o): undefined reference to symbol 'ceilf@@GLIBC_2.2.5' ``` https://github.com/llvm/llvm-project/pull/164842 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
