--- msvc.jam	2006-07-09 23:01:30.765625000 +0200
+++ msvc.jam	2006-07-09 23:03:13.843750000 +0200
@@ -608,7 +608,7 @@
 
 actions compile-pch
 {
-    $(.CC) @"@($(<[1]:W).rsp:E="$(>[2]:W)" -Fo"$(<[1]:W)" -Yc"$(>[1]:D=)" -Fp"$(<[2]:W)" $(CC_RSPLINE))"
+    $(.CC) @"@($(<[1]:W).rsp:E="$(>[2]:W)" -Fo"$(<[1]:W)" -Yc"$(>[1]:D=)" -Yl"__bjam_pch_symbol_$(>[1]:D=)" -Fp"$(<[2]:W)" $(CC_RSPLINE))"
 }
 
 rule compile.pch ( targets + : sources * : properties * )