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
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