diff --git a/packages/emulation/libretro-cap32/patches/libretro-cap32-Fix-declaration-of-ev_events.patch b/packages/emulation/libretro-cap32/patches/libretro-cap32-Fix-declaration-of-ev_events.patch
new file mode 100644
index 0000000000..47b9b0252b
--- /dev/null
+++ b/packages/emulation/libretro-cap32/patches/libretro-cap32-Fix-declaration-of-ev_events.patch
@@ -0,0 +1,35 @@
+From 2a00890a52ee21b63100e21dcb95940943ba6810 Mon Sep 17 00:00:00 2001
+From: Vladimir Serbinenko <phcoder@google.com>
+Date: Mon, 4 May 2020 18:11:21 +0200
+Subject: [PATCH] Fix declaration of ev_events
+
+---
+ libretro/retro_events.c | 1 +
+ libretro/retro_events.h | 2 +-
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/libretro/retro_events.c b/libretro/retro_events.c
+index 50f4364..0a9e3e9 100644
+--- a/libretro/retro_events.c
++++ b/libretro/retro_events.c
+@@ -59,6 +59,7 @@ const uint8_t bit_values[8] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80 };
+ static uint8_t keyboard_translation[MAX_KEYSYMS];
+ unsigned int last_input[PORTS_NUMBER] = {0,0};
+ uint32_t padnum = 0;
++bool (*ev_events)(void);
+ 
+ const uint8_t btnPAD[MAX_PADCFG][MAX_BUTTONS] = {
+    { // JOYSTICK CFG
+diff --git a/libretro/retro_events.h b/libretro/retro_events.h
+index 9f53d36..63e24b5 100644
+--- a/libretro/retro_events.h
++++ b/libretro/retro_events.h
+@@ -154,7 +154,7 @@ typedef struct {
+ #define JOY_EVENT_ID_Y 1
+ 
+ void ev_joysticks();
+-bool (*ev_events)(void);
++extern bool (*ev_events)(void);
+ void ev_combo_set(unsigned btn);
+ void ev_init();
+