games-board/xgammon: Fix building with -fno-common

Closes: https://bugs.gentoo.org/706872
Package-Manager: Portage-3.0.4, Repoman-3.0.1
Signed-off-by: David Seifert <[email protected]>

games-board/xgammon/files/xgammon-0.98-fno-common.patch

@@ -0,0 +1,97 @@
+--- a/allow.c
++++ b/allow.c
+@@ -34,6 +34,8 @@
+ MOVE current_move[4] = {{0, 0}, {0, 0},
+ {0, 0}, {0, 0}}; /* global only for un_do() */
+
++MOVE possible_moves[8000], *list;
++
+ int test_move (void);
+ int create_possible_moves (int dice_to_set, int *w, int actual_pin);
+ int move_is_allowed (int from_pin, int to_pin);
+--- a/gammon.h
++++ b/gammon.h
+@@ -117,12 +117,14 @@
+ MoveFunc MoveFunction;
+ BOARD board;
+ X11SET X11Set;
+-} Player[2];
++};
++extern struct _Player Player[2];
+
+ struct _PinTable {
+ int count;
+ int color;
+-} Pin[29], rollout_position[29]; /* 0, 25 = bar, 1 - 24 = board and 26, 27 finished[color] */
++};
++extern struct _PinTable Pin[29], rollout_position[29]; /* 0, 25 = bar, 1 - 24 = board and 26, 27 finished[color] */
+
+
+ /* if you have the dice values 1 and 1 and all stones are on different
+@@ -137,7 +139,7 @@
+ int to;
+ } MOVE;
+
+-MOVE possible_moves[8000], *list;
++extern MOVE possible_moves[8000], *list;
+
+ struct _move_hist {
+ int from [4];
+@@ -151,16 +153,17 @@
+ struct _Tournament {
+ unsigned int game_number;
+ unsigned int winning_point;
+-} tournament;
++};
++extern struct _Tournament tournament;
+
+ struct _RolloutSave {
+ int turn;
+ int doubler_value;
+ int doubler_owner;
+ int roll[2];
+-} rollout_save;
++};
+
+-FILE *endgame_database;
++extern FILE *endgame_database;
+
+ extern void switch_turn();
+
+--- a/rollout.c
++++ b/rollout.c
+@@ -48,6 +48,9 @@
+ void rollout_roll_dice ();
+ void exec_rollout ();
+
++struct _PinTable Pin[29], rollout_position[29];
++struct _RolloutSave rollout_save;
++
+ void RollOut (void)
+ {
+ Widget toplevel = Player[0].X11Set.toplevel;
+--- a/xgammon.c
++++ b/xgammon.c
+@@ -178,6 +178,10 @@
+ MOVE *compi_choice;
+
+ FILE* protokol_file = NULL;
++FILE* endgame_database;
++struct _gammon_resource gammon_resource;
++struct _Tournament tournament;
++struct _Player Player[2];
+
+ char * greetings = "Wellcome to xgammon version 0.98\n (C) 1994 Lambert Klasen Detlef Steuer\n We hope you enjoy it\n\n";
+
+--- a/xgammon.h
++++ b/xgammon.h
+@@ -70,7 +70,8 @@
+ char *server;
+ int port;
+ int button_move;
+-} gammon_resource;
++};
++extern struct _gammon_resource gammon_resource;
+
+ /* diawin.c */
+ extern void AppendDialogText ();

games-board/xgammon/xgammon-0.98-r1.ebuild

@@ -29,6 +29,7 @@ PATCHES=(
  "${FILESDIR}"/${P}-config.patch
  "${FILESDIR}"/gcc33.patch
  "${FILESDIR}"/${P}-glibc-2.32.patch
+ "${FILESDIR}"/${P}-fno-common.patch
 )
 
 src_configure() {