On Wed, 24 Oct 2018 at 09:53, Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > > On Wed, 24 Oct 2018 at 04:25, Dennis Clarke <dclarke@xxxxxxxxxxxxx> wrote: > > The question has to be where do these "include-fixed" headers come > > from? > > The include-fixed headers are generated as part of the GCC build > process. The contents of the fixincludes dir in the GCC sources apply > a set of rules to fix known problems in the system headers (either > conformance bugs, or incompatibilities with GCC). This is (barely) documented at https://gcc.gnu.org/onlinedocs/gccint/Headers.html