https://sources.debian.org/data/main/w/wmfire/1.2.4-7/debian/patches/08_removed-inline-from-function-with-extern-linkage.patch

Description: remove inline from function with extern linkage
  Fixes FTBFS with gcc 9.
Author: Jeremy Sowden <jeremy@azazel.net>
Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=925858
Last-Update: 2019-06-22
Forwarded: not-needed

---
 src/wmfire.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/src/wmfire.c
+++ b/src/wmfire.c
@@ -111,7 +111,7 @@
 void change_flame(int);
 GdkCursor *setup_cursor();
 void burn_spot(int, int, int);
-inline void draw_fire(unsigned int);
+void draw_fire(unsigned int);
 static void make_wmfire_dockapp();
 void read_config(int, char **);
 void do_help(void);
@@ -504,7 +504,7 @@
 /* Draw fire                              */
 /******************************************/
 
-inline void
+void
 draw_fire(unsigned int load)
 {
 	int x, y, i, j;
