From e40962d2ad97916a3d53d0830f842c6b666d27a8 Mon Sep 17 00:00:00 2001
From: Rom Walton <rwalton@ssl.berkeley.edu>
Date: Wed, 17 May 2006 22:56:08 +0000
Subject: [PATCH] *** empty log message ***

svn path=/trunk/boinc/; revision=10157
---
 checkin_notes               |  8 ++++++++
 client/win/hostinfo_win.cpp | 16 +++++++++++++++-
 2 files changed, 23 insertions(+), 1 deletion(-)

diff --git a/checkin_notes b/checkin_notes
index 0b1437fe5d..6140cc9a1e 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -4809,3 +4809,11 @@ Rom    16 May 2006
     lib/
         diagnostics_win.C
         hostinfo.C, .h
+
+Rom    16 May 2006
+    - Core client needs to still support Win95, so make the processor
+        feature detection code work on Win95.
+        
+    client/win/
+        hostinfo_win.cpp
+        
\ No newline at end of file
diff --git a/client/win/hostinfo_win.cpp b/client/win/hostinfo_win.cpp
index bc5eee8dba..1e33de7c08 100755
--- a/client/win/hostinfo_win.cpp
+++ b/client/win/hostinfo_win.cpp
@@ -480,6 +480,10 @@ BOOL test_processor_feature(DWORD feature) {
 
 
 // Detect to see if a processor feature is available for use
+
+// IsProcessorFeaturePresent()
+typedef BOOL (__stdcall *tIPFP)( IN DWORD dwFeature );
+
 BOOL is_processor_feature_supported(DWORD feature) {
     // Detect platform information
     OSVERSIONINFO osvi; 
@@ -491,7 +495,17 @@ BOOL is_processor_feature_supported(DWORD feature) {
         //   run a quick test.
         return test_processor_feature(feature);
     } else {
-        return IsProcessorFeaturePresent(feature);
+        HMODULE hKernel32Lib = GetModuleHandle("kernel32.dll");
+        tIPFP pIPFP = (tIPFP)GetProcAddress(hKernel32Lib, "IsProcessorFeaturePresent");
+        if (pIPFP) {
+            // IsProcessorFeaturePresent is available, use it.
+            return pIPFP(feature);
+        } else {
+            // Ooooppppssss, whichever version of Windows we are running on
+            //   doesn't support IsProcessorFeaturePresent, so just test things
+            //   out.
+            return test_processor_feature(feature);
+        }
     }
     return 0;
 }