don't use bundled getopt, bug #945521
remove register keyword, bug #921659
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = getopt src tools doc
+SUBDIRS = src tools doc
 
 docdir = $(prefix)/doc/portfwd
 doc_DATA = COPYING README CREDITS TODO
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -8,8 +8,6 @@ portfwd_SOURCES = addr.cc from_addr.cc host_map.cc portfwd.cc \
 	proto_map.cc forward.cc port_pair.cc  solve.cc \
 	yconf.c lexconf.c util.cc fd_set.cc
 
-LDADD = getopt.o getopt1.o
-
 yconf.c: conf.y
 	$(YACC) -v -d -o $@ $<
 
--- a/src/lexconf.c
+++ b/src/lexconf.c
@@ -759,9 +759,9 @@ extern int yylex (void);
  */
 YY_DECL
 {
-	register yy_state_type yy_current_state;
-	register char *yy_cp, *yy_bp;
-	register int yy_act;
+	yy_state_type yy_current_state;
+	char *yy_cp, *yy_bp;
+	int yy_act;
     
 #line 94 "conf.lex"
 
@@ -814,7 +814,7 @@ YY_DECL
 yy_match:
 		do
 			{
-			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
+			YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
 			if ( yy_accept[yy_current_state] )
 				{
 				(yy_last_accepting_state) = yy_current_state;
@@ -1207,9 +1207,9 @@ case YY_STATE_EOF(INITIAL):
  */
 static int yy_get_next_buffer (void)
 {
-    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
-	register char *source = (yytext_ptr);
-	register int number_to_move, i;
+    	char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	char *source = (yytext_ptr);
+	int number_to_move, i;
 	int ret_val;
 
 	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
@@ -1333,14 +1333,14 @@ static int yy_get_next_buffer (void)
 
     static yy_state_type yy_get_previous_state (void)
 {
-	register yy_state_type yy_current_state;
-	register char *yy_cp;
+	yy_state_type yy_current_state;
+	char *yy_cp;
     
 	yy_current_state = (yy_start);
 
 	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
 		{
-		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
+		YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
 		if ( yy_accept[yy_current_state] )
 			{
 			(yy_last_accepting_state) = yy_current_state;
@@ -1365,10 +1365,10 @@ static int yy_get_next_buffer (void)
  */
     static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
 {
-	register int yy_is_jam;
-    	register char *yy_cp = (yy_c_buf_p);
+	int yy_is_jam;
+    	char *yy_cp = (yy_c_buf_p);
 
-	register YY_CHAR yy_c = 1;
+	YY_CHAR yy_c = 1;
 	if ( yy_accept[yy_current_state] )
 		{
 		(yy_last_accepting_state) = yy_current_state;
@@ -1386,9 +1386,9 @@ static int yy_get_next_buffer (void)
 	return yy_is_jam ? 0 : yy_current_state;
 }
 
-    static void yyunput (int c, register char * yy_bp )
+    static void yyunput (int c, char * yy_bp )
 {
-	register char *yy_cp;
+	char *yy_cp;
     
     yy_cp = (yy_c_buf_p);
 
@@ -1398,10 +1398,10 @@ static int yy_get_next_buffer (void)
 	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
 		{ /* need to shift things up to make room */
 		/* +2 for EOB chars. */
-		register int number_to_move = (yy_n_chars) + 2;
-		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+		int number_to_move = (yy_n_chars) + 2;
+		char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
 					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
-		register char *source =
+		char *source =
 				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
 
 		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
@@ -1978,7 +1978,7 @@ int yylex_destroy  (void)
 #ifndef yytext_ptr
 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
 {
-	register int i;
+	int i;
     	for ( i = 0; i < n; ++i )
 		s1[i] = s2[i];
 }
@@ -1987,7 +1987,7 @@ static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
 #ifdef YY_NEED_STRLEN
 static int yy_flex_strlen (yyconst char * s )
 {
-	register int n;
+	int n;
     	for ( n = 0; s[n]; ++n )
 		;
 
--- a/src/yconf.c
+++ b/src/yconf.c
@@ -318,7 +318,7 @@ union yyalloc
 #   define YYCOPY(To, From, Count)		\
       do					\
 	{					\
-	  register YYSIZE_T yyi;		\
+	  YYSIZE_T yyi;		\
 	  for (yyi = 0; yyi < (Count); yyi++)	\
 	    (To)[yyi] = (From)[yyi];		\
 	}					\
@@ -798,7 +798,7 @@ yystrlen (yystr)
      const char *yystr;
 #   endif
 {
-  register const char *yys = yystr;
+  const char *yys = yystr;
 
   while (*yys++ != '\0')
     continue;
@@ -823,8 +823,8 @@ yystpcpy (yydest, yysrc)
      const char *yysrc;
 #   endif
 {
-  register char *yyd = yydest;
-  register const char *yys = yysrc;
+  char *yyd = yydest;
+  const char *yys = yysrc;
 
   while ((*yyd++ = *yys++) != '\0')
     continue;
@@ -954,8 +954,8 @@ yyparse ()
 #endif
 {
   
-  register int yystate;
-  register int yyn;
+  int yystate;
+  int yyn;
   int yyresult;
   /* Number of tokens to shift before error messages enabled.  */
   int yyerrstatus;
@@ -973,12 +973,12 @@ yyparse ()
   /* The state stack.  */
   short	yyssa[YYINITDEPTH];
   short *yyss = yyssa;
-  register short *yyssp;
+  short *yyssp;
 
   /* The semantic value stack.  */
   YYSTYPE yyvsa[YYINITDEPTH];
   YYSTYPE *yyvs = yyvsa;
-  register YYSTYPE *yyvsp;
+  YYSTYPE *yyvsp;