> On 31 Jul 2023, at 01:15, Jean Abou Samra <j...@abou-samra.fr> wrote: > > I noticed that the macOS-provided flex version (on the MacStadium node > provided > by Marnen, which runs the unsupported macOS Catalina) was ~10 years old, so I > installed Flex from Homebrew (required setting CPPFLAGS + LDFLAGS + PATH as > advised in the Homebrew log messages), and it went fine.
Apple has patched their version of Flex so that the generated .cc file must be used with their header FlexLexer.h.