On Mon, Jun 8, 2020 at 11:37 AM <bill.c.roberts@xxxxxxxxx> wrote: > > From: William Roberts <william.c.roberts@xxxxxxxxx> > > Start a section in the README for documenting that custom CFLAGS yields > CUSTOM results and that your mileage may vary. The first CFLAG to > document that you likely want to include is -fsemantic-interposition. CUSTOM is all-caps for some reason, and it should be -fno-semantic-interposition. > diff --git a/README.md b/README.md > index 9d64f0b5cf90..eb8e170ea1f7 100644 > --- a/README.md > +++ b/README.md > + > +- -fsemantic-interposition for gcc or compilers that do not do this. clang does this by default. clang-10 and up > + will support passing this flag, but ignore it. Previous clang versions fail. -fno-semantic-interposition
