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| author | MarcoFalke <falke.marco@gmail.com> | 2020-10-03 10:54:28 +0200 |
|---|---|---|
| committer | MarcoFalke <falke.marco@gmail.com> | 2020-10-04 17:49:07 +0200 |
| commit | fae7a1c18803675e70b9bf66575e1e0a6e01f6f6 (patch) | |
| tree | 538acb915905380a857319bc834d6f631917d2d8 /configure.ac | |
| parent | 54fc96ffa70ad3a53d32709101b7a2ce064d822e (diff) | |
| download | bitcoin-fae7a1c18803675e70b9bf66575e1e0a6e01f6f6.tar.xz | |
fuzz: Configure check for main function
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index fbf56443f1..674ed1ee73 100644 --- a/configure.ac +++ b/configure.ac @@ -1165,6 +1165,20 @@ if test "x$enable_fuzz" = "xyes"; then use_bench=no use_upnp=no use_zmq=no + + AC_MSG_CHECKING([whether main function is needed]) + AX_CHECK_LINK_FLAG( + [[-fsanitize=$use_sanitizers]], + [AC_MSG_RESULT([no])], + [AC_MSG_RESULT([yes]) + CPPFLAGS="$CPPFLAGS -DPROVIDE_MAIN_FUNCTION"], + [], + [AC_LANG_PROGRAM([[ + #include <cstdint> + #include <cstddef> + extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) { return 0; } + /* unterminated comment to remove the main function ... + ]],[[]])]) else BITCOIN_QT_INIT |