diff --git a/build/f1lib.vcxproj b/build/f1lib.vcxproj
index 5f164ca64..eeb076f29 100644
--- a/build/f1lib.vcxproj
+++ b/build/f1lib.vcxproj
@@ -161,12 +161,14 @@
     <ProjectReference Include="AgaLib.vcxproj">
       <Project>{2d38a763-3d74-4338-9362-b891784ec90e}</Project>
     </ProjectReference>
+    <ProjectReference Include="cglib.vcxproj">
+      <Project>{7b80f974-ce2e-4bd9-855a-44ff139ff288}</Project>
+    </ProjectReference>
     <ProjectReference Include="fplib.vcxproj">
       <Project>{c575788b-0be4-4f68-b9c9-3c204ec04e07}</Project>
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="..\src\cg\cglib01.cpp" />
     <ClCompile Include="..\src\f1\f1lib.cpp" />
     <ClCompile Include="..\src\fp\fplib01.cpp" />
   </ItemGroup>
diff --git a/build/f1lib.vcxproj.filters b/build/f1lib.vcxproj.filters
index 6e9422427..dce97793d 100644
--- a/build/f1lib.vcxproj.filters
+++ b/build/f1lib.vcxproj.filters
@@ -15,9 +15,6 @@
     <ClCompile Include="..\src\fp\fplib01.cpp">
       <Filter>Sources</Filter>
     </ClCompile>
-    <ClCompile Include="..\src\cg\cglib01.cpp">
-      <Filter>Sources</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\f1\f1lib.h">
diff --git a/build/f9.sln b/build/f9.sln
index cc102fd95..f2792f0f1 100644
--- a/build/f9.sln
+++ b/build/f9.sln
@@ -17,6 +17,8 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "fplib", "fplib.vcxproj", "{
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "f9lib", "f9lib.vcxproj", "{8B25F7D3-5727-47DF-9F80-B44BC6468516}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cglib", "cglib.vcxproj", "{7B80F974-CE2E-4BD9-855A-44FF139FF288}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Win32 = Debug|Win32
@@ -43,6 +45,10 @@ Global
 		{8B25F7D3-5727-47DF-9F80-B44BC6468516}.Debug|Win32.Build.0 = Debug|Win32
 		{8B25F7D3-5727-47DF-9F80-B44BC6468516}.Release|Win32.ActiveCfg = Release|Win32
 		{8B25F7D3-5727-47DF-9F80-B44BC6468516}.Release|Win32.Build.0 = Release|Win32
+		{7B80F974-CE2E-4BD9-855A-44FF139FF288}.Debug|Win32.ActiveCfg = Debug|Win32
+		{7B80F974-CE2E-4BD9-855A-44FF139FF288}.Debug|Win32.Build.0 = Debug|Win32
+		{7B80F974-CE2E-4BD9-855A-44FF139FF288}.Release|Win32.ActiveCfg = Release|Win32
+		{7B80F974-CE2E-4BD9-855A-44FF139FF288}.Release|Win32.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/build/f9lib.vcxproj b/build/f9lib.vcxproj
index c3ef980f7..e86821f02 100644
--- a/build/f9lib.vcxproj
+++ b/build/f9lib.vcxproj
@@ -174,6 +174,9 @@
     <ProjectReference Include="AgaLib.vcxproj">
       <Project>{2d38a763-3d74-4338-9362-b891784ec90e}</Project>
     </ProjectReference>
+    <ProjectReference Include="cglib.vcxproj">
+      <Project>{7b80f974-ce2e-4bd9-855a-44ff139ff288}</Project>
+    </ProjectReference>
     <ProjectReference Include="f1lib.vcxproj">
       <Project>{41f4c25f-6bd2-4fc9-a0d3-a68cd1c9e4fc}</Project>
     </ProjectReference>
@@ -182,14 +185,12 @@
     </ProjectReference>
   </ItemGroup>
   <ItemGroup>
-    <ClCompile Include="..\src\cg\cglib06.cpp" />
     <ClCompile Include="..\src\f9\f9lib01.cpp" />
     <ClCompile Include="..\src\f9\f9lib02.cpp">
       <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">false</ExcludedFromBuild>
     </ClCompile>
   </ItemGroup>
   <ItemGroup>
-    <ClInclude Include="..\src\cg\cglib.h" />
     <ClInclude Include="..\src\f9\f901tab.h" />
     <ClInclude Include="..\src\f9\f9lib.h" />
   </ItemGroup>
diff --git a/build/f9lib.vcxproj.filters b/build/f9lib.vcxproj.filters
index 7310a6d14..aa7c5709b 100644
--- a/build/f9lib.vcxproj.filters
+++ b/build/f9lib.vcxproj.filters
@@ -18,17 +18,11 @@
     <ClCompile Include="..\src\f9\f9lib02.cpp">
       <Filter>Sources</Filter>
     </ClCompile>
-    <ClCompile Include="..\src\cg\cglib06.cpp">
-      <Filter>Sources</Filter>
-    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="..\src\f9\f9lib.h">
       <Filter>Headers</Filter>
     </ClInclude>
-    <ClInclude Include="..\src\cg\cglib.h">
-      <Filter>Headers</Filter>
-    </ClInclude>
     <ClInclude Include="..\src\f9\f901tab.h">
       <Filter>Headers</Filter>
     </ClInclude>