https://bugs.gentoo.org/706394

--- lincity-1.13.1/fileutil.c	2004-07-03 08:26:33.000000000 -0000
+++ lincity-1.13.1/fileutil.c	2020-02-26 09:16:31.406614385 -0000
@@ -105,7 +105,7 @@
  * ---------------------------------------------------------------------- */
 char LIBDIR[LC_PATH_MAX];
 
-char *lc_save_dir;
+extern char *lc_save_dir;
 int lc_save_dir_len;
 static char *lc_temp_filename;
 
--- lincity-1.13.1/ldsvguts.c	2003-10-10 04:11:29.000000000 -0000
+++ lincity-1.13.1/ldsvguts.c	2020-02-26 09:17:22.410992011 -0000
@@ -91,8 +91,6 @@
  * Private Global Variables
  * ---------------------------------------------------------------------- */
 
-char save_names[10][42];
-
 /* ---------------------------------------------------------------------- *
  * Public functions
  * ---------------------------------------------------------------------- */
--- lincity-1.13.1/main.c	2004-07-03 07:59:05.000000000 -0000
+++ lincity-1.13.1/main.c	2020-02-26 09:17:04.222857373 -0000
@@ -96,9 +96,8 @@
 #endif
 #endif
 
-char *lc_save_dir;
+extern char *lc_save_dir;
 char *lc_temp_file;
-char save_names[10][42];
 
 #ifdef CS_PROFILE
 int prof_countdown = PROFILE_COUNTDOWN;
--- lincity-1.13.1/screen.h	2004-06-22 13:24:19.000000000 -0000
+++ lincity-1.13.1/screen.h	2020-02-26 09:14:31.473725606 -0000
@@ -20,7 +20,7 @@
 extern unsigned char start_font2[4096];
 extern unsigned char start_font3[4096];
 
-int monthgraph_style;
+extern int monthgraph_style;
 
 /* This is on in screen_full_refresh, used in *_refresh() */
 extern char screen_refreshing;