make llvm_mode error

[Lucas-Yin-xixi]

Ubuntu20 clang11 gcc10 i try to ./build_qemu_support.sh,i got "memfd_create" error. error: static declaration of ‘memfd_create’ follows non-static declaration when i make llvm_mode, i got this error. i need some help.QAQ

[] Checking for working 'llvm-config'... [] Checking for working 'clang'... [] Checking for '../afl-showmap'... [+] All set and ready to build. clang -O3 -funroll-loops -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/local/lib/afl\" -DBIN_PATH=\"/usr/local/bin\" -DVERSION=\"2.52b\" afl-clang-fast.c -o ../afl-clang-fast ln -sf afl-clang-fast ../afl-clang-fast++ clang++ llvm-config --cxxflags -fno-rtti -fpic -O3 -funroll-loops -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DVERSION=\"2.52b\" -Wno-variadic-macros -shared afl-llvm-pass.so.cc -o ../afl-llvm-pass.so llvm-config --ldflags clang -O3 -funroll-loops -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/local/lib/afl\" -DBIN_PATH=\"/usr/local/bin\" -DVERSION=\"2.52b\" -fPIC -c afl-llvm-rt.o.c -o ../afl-llvm-rt.o [] Building 32-bit variant of the runtime (-m32)... success! [] Building 64-bit variant of the runtime (-m64)... success! [] Testing the CC wrapper and instrumentation output... unset AFL_USE_ASAN AFL_USE_MSAN AFL_INST_RATIO; AFL_QUIET=1 AFL_PATH=. AFL_CC=clang ../afl-clang-fast -O3 -funroll-loops -Wall -D_FORTIFY_SOURCE=2 -g -Wno-pointer-sign -DAFL_PATH=\"/usr/local/lib/afl\" -DBIN_PATH=\"/usr/local/bin\" -DVERSION=\"2.52b\" ../test-instr.c -o test-instr echo 0 | ../afl-showmap -m none -q -o .test-instr0 ./test-instr echo 1 | ../afl-showmap -m none -q -o .test-instr1 ./test-instr

Oops, the instrumentation does not seem to be behaving correctly!

Please ping lcamtuf@google.com to troubleshoot the issue.

make: *** [Makefile:102: test_build] Error 1

[Lucas-Yin-xixi]

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