Index: src/libictranslate/libictranslate.vc90.vcproj
===================================================================
diff -u -r233492c9b28fe783af09d4c144b26a79863eacad -rc9731b095c7d259d3d4a03762c117701743b14af
--- src/libictranslate/libictranslate.vc90.vcproj	(.../libictranslate.vc90.vcproj)	(revision 233492c9b28fe783af09d4c144b26a79863eacad)
+++ src/libictranslate/libictranslate.vc90.vcproj	(.../libictranslate.vc90.vcproj)	(revision c9731b095c7d259d3d4a03762c117701743b14af)
@@ -54,6 +54,7 @@
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="2"
 				WarningLevel="4"
+				WarnAsError="true"
 				DebugInformationFormat="4"
 			/>
 			<Tool
@@ -136,6 +137,7 @@
 				RuntimeLibrary="3"
 				UsePrecompiledHeader="2"
 				WarningLevel="4"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool
@@ -217,6 +219,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="2"
 				WarningLevel="4"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool
@@ -301,6 +304,7 @@
 				EnableFunctionLevelLinking="true"
 				UsePrecompiledHeader="2"
 				WarningLevel="4"
+				WarnAsError="true"
 				DebugInformationFormat="3"
 			/>
 			<Tool