Le 26/09/2017 à 01:24, Adrian Bunk a écrit : > Control: reassign -1 clang-3.9 1:3.9.1-16 > Control: affects -1 src:afl > Control: clone -1 -2 -3 > Control: reassign -2 clang-4.0 1:4.0.1-5 > Control: reassign -3 clang-5.0 1:5.0-2 > > On Mon, Sep 25, 2017 at 10:47:22PM +0200, Daniel Stender wrote: >> Package: src:afl >> Version: 2.50b-1 >> Severity: serious >> Justification: fails to build from source (but built successfully in the >> past) >> Control: block 873404 by -1 >> >> AFL begun to FTBFS recently with a clang error: >> >> <cut> >> [+] All set and ready to build. >> clang-3.9 -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign >> -DAFL_PATH=\"/usr/lib/afl\" -DBIN_PATH=\"/usr/bin\" -DVERSION=\"2.50b\" >> afl-clang-fast.c -o ../afl-clang-fast -Wl,-z,relro -Wl,-z,now >> ln -sf afl-clang-fast ../afl-clang-fast++ >> clang++-3.9 `llvm-config-3.9 --cxxflags` -fno-rtti -fpic -Wall >> -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DVERSION=\"2.50b\" >> -Wno-variadic-macros -shared afl-llvm-pass.so.cc -o ../afl-llvm-pass.so >> `llvm-config-3.9 --ldflags` -Wl,-z,relro -Wl,-z,now >> warning: unknown warning option '-Wno-maybe-uninitialized'; did you mean >> '-Wno-uninitialized'? [-Wunknown-warning-option] >> 1 warning generated. >> /usr/bin/ld: unrecognized option '--no-keep-files-mapped' >> /usr/bin/ld: use the --help option for usage information >> clang: error: linker command failed with exit code 1 (use -v to see >> invocation) >> Makefile:83: recipe for target '../afl-llvm-pass.so' failed >> </cut> >> >> This seems to be a problem in the build toolchain (this is going to be >> reassigned). The same error appears also with clang-4.0 and clang-5.0, thus >> blocking the llvm-toolchain update of AFL. > The trigger is: > > llvm-toolchain-3.9 (1:3.9.1-16) unstable; urgency=medium > ... > [ Matthias Klose ] > * Link with --no-keep-files-mapped --no-map-whole-files when using gold. > ... > -- Sylvestre Ledru <sylves...@debian.org> Fri, 08 Sep 2017 11:57:07 +0200 > > > But the actual bug is older: > CXXFLAGS_EXTRA += -Wl,-fuse-ld=gold -Wl,--no-keep-files-mapped > -Wl,--no-map-whole-files > > -Wl,-fuse-ld=gold is wrong, this should be -fuse-ld=gold > (it cannot work to tell the linker which linker to use).
ok, well spoted. llvm-config exports the flags which has been used to build llvm. Thanks, S
