From 69ec314fb56c2a7e21fde82a0621d8af35d593b2 Mon Sep 17 00:00:00 2001
From: DRC <dcommander@users.sourceforge.net>
Date: Thu, 18 Feb 2010 13:14:29 +0000
Subject: [PATCH] MinGW64 requires that the functions be prefixed with an
 underscore.  Visual C++ apparently doesn't

---
 simd/jsimdext.inc | 4 +++-
 win/Makerules     | 4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/simd/jsimdext.inc b/simd/jsimdext.inc
index d371a524..d0b47e63 100644
--- a/simd/jsimdext.inc
+++ b/simd/jsimdext.inc
@@ -47,7 +47,9 @@
 ;
 %define SEG_TEXT    .text  align=16 public use64 class=CODE
 %define SEG_CONST   .rdata align=16 public use64 class=CONST
-;%define EXTN(name)  name			; foo() -> foo
+%ifdef MSVC
+%define EXTN(name)  name			; foo() -> foo
+%endif
 
 %elifdef OBJ32	; ----(nasm -fobj -DOBJ32 ...)----------
 ; * Borland C++ (Win32)
diff --git a/win/Makerules b/win/Makerules
index 12e96fec..59a7d3aa 100755
--- a/win/Makerules
+++ b/win/Makerules
@@ -30,9 +30,9 @@ endif
 CFLAGS = -W3 -wd4996 -Iwin -I.
 CDEFINES = -DWIN32 -D_CRT_SECURE_NO_DEPRECATE
 ifeq ($(WIN64), yes)
-NAFLAGS = -fwin64 -DWIN64 -D__x86_64__ -Iwin/
+NAFLAGS = -fwin64 -DWIN64 -DMSVC -D__x86_64__ -Iwin/
 else
-NAFLAGS = -fwin32 -DWIN32 -Iwin/
+NAFLAGS = -fwin32 -DWIN32 -DMSVC -Iwin/
 endif
 ifeq ($(DEBUG), yes)
  CFLAGS := $(CFLAGS) -Od -MTd -Zi