File mailx-usr-etc.patch of Package mailx

diff -ur a/main.c b/main.c
--- a/main.c	2023-12-05 09:54:32.727382197 +0100
+++ b/main.c	2023-12-06 11:07:50.176112126 +0100
@@ -454,8 +454,15 @@
 	input = stdin;
 	rcvmode = !to && !tflag;
 	spreserve();
-	if (!nosrc)
-		load(PATH_MASTER_RC);
+	if (!nosrc) {
+#ifdef DISTCONFMAILRC
+		struct stat st;
+		if (stat(PATH_MASTER_RC, &st) < 0)
+			load(DISTCONFMAILRC);
+		else
+#endif			
+			load(PATH_MASTER_RC);
+	}
 	/*
 	 * Expand returns a savestr, but load only uses the file name
 	 * for fopen, so it's safe to do this.
diff -ur a/Makefile b/Makefile
--- a/Makefile	2023-12-05 09:54:32.727382197 +0100
+++ b/Makefile	2023-12-06 11:08:00.418064025 +0100
@@ -60,7 +60,7 @@
 ###########################################################################
 ###########################################################################
 
-FEATURES	= $(IPv6)
+FEATURES	= $(IPv6) $(DISTCONF)
 
 OBJ = aux.o base64.o cache.o cmd1.o cmd2.o cmd3.o cmdtab.o collect.o \
 	dotlock.o edit.o fio.o getname.o getopt.o head.o hmac.o \