From fd06e074bb6d9836db8f7f6dbca5c3a2f6a050c8 Mon Sep 17 00:00:00 2001
From: Gregor Richards <hg-yff@gregor.im>
Date: Fri, 9 Dec 2016 18:07:12 -0500
Subject: [PATCH] Report git version with library_version

---
 Makefile.libretro       | 4 ++++
 libretro/jni/Android.mk | 5 +++++
 libretro/libretro.c     | 5 ++++-
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/Makefile.libretro b/Makefile.libretro
index a944873..027411f 100644
--- a/Makefile.libretro
+++ b/Makefile.libretro
@@ -36,6 +36,10 @@ endif
 
 TARGET_NAME := genesis_plus_gx
 LIBM := -lm
+GIT_VERSION := " $(shell git rev-parse --short HEAD || echo unknown)"
+ifneq ($(GIT_VERSION)," unknown")
+	CFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
+endif
 
 # Unix
 ifeq ($(platform), unix)
diff --git a/libretro/jni/Android.mk b/libretro/jni/Android.mk
index d081632..2058772 100644
--- a/libretro/jni/Android.mk
+++ b/libretro/jni/Android.mk
@@ -2,6 +2,11 @@ LOCAL_PATH := $(call my-dir)
 
 include $(CLEAR_VARS)
 
+GIT_VERSION := " $(shell git rev-parse --short HEAD || echo unknown)"
+ifneq ($(GIT_VERSION)," unknown")
+	LOCAL_CFLAGS += -DGIT_VERSION=\"$(GIT_VERSION)\"
+endif
+
 WANT_CRC32 := 1
 
 CORE_DIR := ../..
diff --git a/libretro/libretro.c b/libretro/libretro.c
index 94e73e5..ba5b7f9 100644
--- a/libretro/libretro.c
+++ b/libretro/libretro.c
@@ -1664,7 +1664,10 @@ void retro_set_input_state(retro_input_state_t cb) { input_state_cb = cb; }
 void retro_get_system_info(struct retro_system_info *info)
 {
    info->library_name = "Genesis Plus GX";
-   info->library_version = "v1.7.4";
+#ifndef GIT_VERSION
+#define GIT_VERSION ""
+#endif
+   info->library_version = "v1.7.4" GIT_VERSION;
    info->valid_extensions = "mdx|md|smd|gen|bin|cue|iso|sms|gg|sg";
    info->block_extract = false;
    info->need_fullpath = true;