From 6de20d7f8a60ca52aa7c0ac5e0651e8dd6b03765 Mon Sep 17 00:00:00 2001
From: tma <tma@edf5b092-35ff-0310-97b2-ce42778d08ea>
Date: Sat, 9 Aug 2008 19:12:30 +0000
Subject: * Use IPv6 header qcommon/wspiapi.h if it has been added by the end
 user * Update README to explain the Windows XP requirement

git-svn-id: svn://svn.icculus.org/quake3/trunk@1444 edf5b092-35ff-0310-97b2-ce42778d08ea
---
 Makefile | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 9a141a0..8dd2362 100644
--- a/Makefile
+++ b/Makefile
@@ -423,14 +423,10 @@ ifeq ($(PLATFORM),mingw32)
   BASE_CFLAGS = -Wall -fno-strict-aliasing -Wimplicit -Wstrict-prototypes \
     -DUSE_ICON
 
-  # Require Windows XP or later
-  #
-  # IPv6 support requires a header wspiapi.h to work on earlier versions of
-  # windows. There is no MinGW equivalent of this header so we're forced to
-  # require XP. In theory this restriction can be removed if this header is
-  # obtained separately from the platform SDK. The MSVC build does not have
-  # this limitation.
-  BASE_CFLAGS += -DWINVER=0x501
+  # In the absence of wspiapi.h, require Windows XP or later
+  ifeq ($(shell test -e $(CMDIR)/wspiapi.h; echo $$?),1)
+    BASE_CFLAGS += -DWINVER=0x501
+  endif
 
   ifeq ($(USE_OPENAL),1)
     BASE_CFLAGS += -DUSE_OPENAL
-- 
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