GCC 9 no longer accepts this flag and trying to find out what it does do leads to an article
"-no-cpp-precomp: the compiler flag that time forgot" that also no longer on the Internet. And most other things are PRs/commits from over ten years ago that remove the flag since it is no longer needed. --- configure.ac | 2 -- 1 file changed, 2 deletions(-) diff --git a/configure.ac b/configure.ac index 2cc396e5..e9f8a2f9 100644 --- a/configure.ac +++ b/configure.ac @@ -323,8 +323,6 @@ case "$host" in AC_DEFINE([TARGET_DARWIN], [1], [Are we running on Mac OS X?]) AC_DEFINE_UNQUOTED([TARGET_PREFIX], ["M"], [Target prefix]) have_tap_header="yes" - dnl some Mac OS X tendering (we use vararg macros...) - CPPFLAGS="$CPPFLAGS -no-cpp-precomp" ac_cv_type_struct_in_pktinfo=no ;; *-mingw*) -- 2.22.0 _______________________________________________ Openvpn-devel mailing list Openvpn-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/openvpn-devel