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Add explicit support of OSS-Fuzz

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The --enable-fuzzing option now allows third choice "ossfuzz" that just
adds $LIB_FUZZING_ENGINE to FUZZ_LDFLAGS to make the fuzzer builds
compatible with OSS-Fuzz project that has some special quirks (the
main() routine is provided in the static library the project provides).
This commit is contained in:
Ondřej Surý
2020-08-12 21:06:26 +02:00
parent eb0d5a9526
commit f9aba90342
1 changed files with 4 additions and 1 deletions
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5
configure.ac
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@@ -200,7 +200,7 @@ AC_ARG_ENABLE(buffer_useinline,
AC_DEFINE([ISC_BUFFER_USEINLINE], [1])) AC_DEFINE([ISC_BUFFER_USEINLINE], [1]))
AC_ARG_ENABLE([fuzzing], AC_ARG_ENABLE([fuzzing],
[AS_HELP_STRING([--enable-fuzzing=<afl|libfuzzer>], [AS_HELP_STRING([--enable-fuzzing=<afl|libfuzzer|ossfuzz>],
[Enable fuzzing using American Fuzzy Lop or libFuzzer (default=no)])], [Enable fuzzing using American Fuzzy Lop or libFuzzer (default=no)])],
[], [],
[enable_fuzzing=no]) [enable_fuzzing=no])
@@ -220,6 +220,9 @@ AS_CASE([$enable_fuzzing],
LDFLAGS="$LDFLAGS -fsanitize=address,undefined" LDFLAGS="$LDFLAGS -fsanitize=address,undefined"
FUZZ_LDFLAGS="-fsanitize=fuzzer,address,undefined" FUZZ_LDFLAGS="-fsanitize=fuzzer,address,undefined"
FUZZ_LOG_COMPILER="libfuzzer.sh"], FUZZ_LOG_COMPILER="libfuzzer.sh"],
[ossfuzz],[
AC_MSG_RESULT([using OSS-Fuzz])
FUZZ_LDFLAGS="$LIB_FUZZING_ENGINE"],
[*],[AC_MSG_ERROR([You need to explicitly select the fuzzer])]) [*],[AC_MSG_ERROR([You need to explicitly select the fuzzer])])
AM_CONDITIONAL([HAVE_FUZZ_LOG_COMPILER], [test -n "$FUZZ_LOG_COMPILER"]) AM_CONDITIONAL([HAVE_FUZZ_LOG_COMPILER], [test -n "$FUZZ_LOG_COMPILER"])
AC_SUBST([FUZZ_LOG_COMPILER]) AC_SUBST([FUZZ_LOG_COMPILER])