Re: syncing Emacs from sources maintained elsewhere

[Bruno Haible]

Eli Zaretskii asked:
> > If the MinGW headers and implementations are good enough, you should
> > be OK without the .h files.  I'd be surprised if that were true, though.
> 
> Where can I find some docs regarding what is considered to be "good
> enough"?

You find detailed information about the particular portability problems
encountered on various systems and worked around (or not) by gnulib
in the gnulib documentation
  <http://www.gnu.org/software/gnulib/manual/html_node/index.html>
especially in the chapters
  7 ISO C and POSIX Header File Substitutes
  8 ISO C and POSIX Function Substitutes
  9 Past POSIX Function Substitutes
  10 Glibc Header File Substitutes
  11 Glibc Function Substitutes

See in particular
  <http://www.gnu.org/software/gnulib/manual/html_node/stddef_002eh.html>
  <http://www.gnu.org/software/gnulib/manual/html_node/unistd_002eh.html>
  <http://www.gnu.org/software/gnulib/manual/html_node/time_002eh.html>

Bruno