From f611d1c357b76f3cd868b955142cdb6779400df7 Mon Sep 17 00:00:00 2001
From: twinaphex <libretro@gmail.com>
Date: Mon, 1 Jan 2018 17:38:04 +0100
Subject: [PATCH] * Compile C code with MSVC Makefile as C instead of C++ * Add
 compatibility tweak for MSVC in C mode for math functions

---
 Makefile.griffin                      | 4 ++--
 libretro-common/include/compat/msvc.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Makefile.griffin b/Makefile.griffin
index a284b2df89..182281628b 100644
--- a/Makefile.griffin
+++ b/Makefile.griffin
@@ -832,7 +832,7 @@ ifeq ($(DEBUG), 1)
          CFLAGS += -Wp64
       endif
 
-      CFLAGS += -Od -Zi -D_DEBUG -MTd -TP
+      CFLAGS += -Od -Zi -D_DEBUG -MTd
       LDFLAGS += -DEBUG
    else
       CFLAGS += -O0 -g -DDEBUG
@@ -847,7 +847,7 @@ else ifneq (,$(findstring msvc,$(platform)))
       LDFLAGS += -SUBSYSTEM:WINDOWS -ENTRY:mainCRTStartup
    endif
 
-   CFLAGS += -O2 -DNDEBUG -MT -TP
+   CFLAGS += -O2 -DNDEBUG -MT
 else
    CFLAGS += -O3
 endif
diff --git a/libretro-common/include/compat/msvc.h b/libretro-common/include/compat/msvc.h
index 51752144fe..c233b08827 100644
--- a/libretro-common/include/compat/msvc.h
+++ b/libretro-common/include/compat/msvc.h
@@ -92,7 +92,7 @@ typedef int ssize_t;
 #define va_copy(x, y) ((x) = (y))
 #endif
 
-#if _MSC_VER <= 1200
+#if _MSC_VER <= 1310
    #ifndef __cplusplus
       /* VC6 math.h doesn't define some functions when in C mode.
        * Trying to define a prototype gives "undefined reference".