net/echoping: readd the port

echoping is non-default optional but very useful dependency
of the SmokePing (net-mgmt/smokeping). I use the software and
will maintain the port.

While here, make it possible to build echoping with GNU dns/libidn2
instead of dns/libidn. For now, still use libidn to preserve POLA.

Default build not changed comparing with one before removal,
so PORTREVISION not bumped.

1 files changed, 25 insertions, 0 deletions

diff --git a/net/echoping/files/patch-echoping.c b/net/echoping/files/patch-echoping.c
new file mode 100644
index 000000000000..d2b246599a41
--- /dev/null
+++ b/net/echoping/files/patch-echoping.c
@@ -0,0 +1,25 @@
+--- echoping.c.orig	2020-08-20 15:47:00 UTC
++++ echoping.c
+@@ -38,6 +38,22 @@ struct result   results[MAX_ITERATIONS];
+ struct timeval  good_results[MAX_ITERATIONS];
+ extern int      tvcmp();
+ 
++boolean timeout_flag;
++static char *server;
++#ifdef LIBIDN
++static char *locale_server, *ace_server, *utf8_server;
++#endif
++
++static init_f plugin_init;
++static start_f plugin_start;
++static start_raw_f plugin_raw_start;
++static execute_f plugin_execute;
++static execute_f plugin_execute;
++static terminate_f plugin_terminate;
++
++struct timeval null_timeval;
++static struct timeval max_timeval;
++
+ int
+ main(argc, argv)
+     int             argc;