diff --git a/src/Makefile.in b/src/Makefile.in
index bcc917c..fb7e9df 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -84,7 +84,9 @@ SFMT_FLAGS = -fno-strict-aliasing
 #
 MPATH=-DMUD_LIB='"$(MUD_LIB)"' -DBINDIR='"$(BINDIR)"' -DERQ_DIR='"$(ERQ_DIR)"'
 #
-CFLAGS=-DPROGNAME='"@PROGNAME@"' @EXTRA_CFLAGS@ $(OPTIMIZE) $(DEBUG) $(WARN) $(MPATH) $(PROFIL)
+# would be nicer to have this idn include in autoconf but it shouldn't hurt
+# here either.. it makes this compile on OpenSolaris..  --lynX via tg 2010
+CFLAGS=-DPROGNAME='"@PROGNAME@"' @EXTRA_CFLAGS@ $(OPTIMIZE) $(DEBUG) $(WARN) $(MPATH) $(PROFIL) -I/usr/include/idn
 #
 LIBS=@LIBS@ @PKGLIBS@
 #
diff --git a/src/util/erq/erq.c b/src/util/erq/erq.c
index 36a89c2..b5e4c4c 100644
--- a/src/util/erq/erq.c
+++ b/src/util/erq/erq.c
@@ -146,8 +146,10 @@ typedef int length_t;
 #define MAX_REPLY              ERQ_MAX_REPLY
 
 
-/* don't know about the rfcs but here
- * hostnames are limited to 128 chars  --lynX */
+/* hostnames are limited to 128 chars
+ * as the purpose of longer hostnames
+ * is likely to be either spamming or
+ * hostname-based attacks   --lynX */
 #define MAX_HOSTNAME		128