games/stella: Fix build for -current.

Signed-off-by: B. Watson <yalhcru@gmail.com>

games/stella/stella.SlackBuild

@@ -6,7 +6,23 @@
 
 # Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
 
-# Modified by B. Watson <yalhcru@gmail.com>
+# Now maintained by B. Watson <yalhcru@gmail.com>
+
+# 20170620 bkw:
+# - fix for -current (does no harm on 14.2).
+# - invert changelog so oldest entries are at bottom.
+
+# 20170122 bkw: update for 4.7.3
+
+# 20160804 bkw: update for 4.7.2
+
+# 20150509 bkw: update for 4.6.1
+
+# 20150322 bkw:
+# - update for 4.6
+# - replace stale stella 3.8 man page from Debian with updated one for 4.6.
+# - get rid of unused --libdir configure option
+
 # 20140915 bkw:
 # - took over maintenance
 # - update for 4.1.1
@@ -17,17 +33,6 @@
 # - add MIME type for .a26
 # - StartupNotify=false in .desktop
 
-# 20150322 bkw:
-# - update for 4.6
-# - replace stale stella 3.8 man page from Debian with updated one for 4.6.
-# - get rid of unused --libdir configure option
-
-# 20150509 bkw: update for 4.6.1
-
-# 20160804 bkw: update for 4.7.2
-
-# 20170122 bkw: update for 4.7.3
-
 PRGNAM=stella
 VERSION=${VERSION:-4.7.3}
 BUILD=${BUILD:-1}
@@ -75,6 +80,10 @@ find -L . \
  \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
  -exec chmod 644 {} \;
 
+# 20170620 bkw: configure checks for gcc 4.7, 5.x, or 6.x. Fails on -current
+# because we have 7.x.
+sed -i 's,\[5-6\],[5-9],g' configure
+
 CFLAGS="$SLKCFLAGS" \
 CXXFLAGS="$SLKCFLAGS" \
 ./configure \