games-board/xboard: tweak for gcc-10

Package-Manager: Portage-2.3.84, Repoman-2.3.20
Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>

games-board/xboard/files/xboard-4.9.1-gcc-10.patch

@@ -0,0 +1,32 @@
+--- a/backend.h
++++ b/backend.h
+@@ -242,7 +242,7 @@ extern GameInfo gameInfo;
+ 
+ /* ICS vars used with backend.c and zippy.c */
+ enum ICS_TYPE { ICS_GENERIC, ICS_ICC, ICS_FICS, ICS_CHESSNET /* not really supported */ };
+-enum ICS_TYPE ics_type;
++extern enum ICS_TYPE ics_type;
+ 
+ /* pgntags.c prototypes
+  */
+--- a/evalgraph.h
++++ b/evalgraph.h
+@@ -34,7 +34,7 @@ typedef enum { PEN_NONE, PEN_BLACK, PEN_DOTTED, PEN_BLUEDOTTED, PEN_BOLDWHITE, P
+ #define OPEN   0
+ 
+ /* Module globals */
+-ChessProgramStats_Move * currPvInfo;
++extern ChessProgramStats_Move * currPvInfo;
+ extern int currFirst;
+ extern int currLast;
+ extern int currCurrent;
+--- a/xaw/xhistory.c
++++ b/xaw/xhistory.c
+@@ -96,7 +96,6 @@ ScrollToCursor (Option *opt, int caretPos)
+ 
+ // ------------------------------ callbacks --------------------------
+ 
+-char *historyText;
+ char historyTranslations[] =
+ "<Btn3Down>: select-start() \n \
+ <Btn3Up>: extend-end(PRIMARY) SelectMove() \n";

games-board/xboard/xboard-4.9.1.ebuild

@@ -1,4 +1,4 @@
-# Copyright 1999-2019 Gentoo Authors
+# Copyright 1999-2020 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -43,6 +43,7 @@ RDEPEND="${DEPEND}"
 PATCHES=(
 	"${FILESDIR}"/${PN}-4.8.0-gettext.patch
 	"${FILESDIR}"/${PN}-4.8.0-gnuchess-default.patch
+	"${FILESDIR}"/${PN}-4.9.1-gcc-10.patch
 )
 
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