diff --git a/visualc/vngspice-fftw.vcxproj b/visualc/vngspice-fftw.vcxproj
index 22a3fc62a..41c2f0256 100644
--- a/visualc/vngspice-fftw.vcxproj
+++ b/visualc/vngspice-fftw.vcxproj
@@ -323,7 +323,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       <AdditionalOptions>/openmp:llvm %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -335,6 +335,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX64</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU\x64\Debug;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -375,7 +376,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       <AdditionalOptions>/openmp:llvm %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -392,6 +393,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX64</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU\x64\Release;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -425,7 +427,7 @@ lib /machine:x86 /def:..\..\fftw-3.3-dll32\libfftw3-3.def /out:$(IntDir)libfftw3
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -437,6 +439,7 @@ lib /machine:x86 /def:..\..\fftw-3.3-dll32\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX86</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU/Debug/;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -473,7 +476,7 @@ lib /machine:x86 /def:..\..\fftw-3.3-dll32\libfftw3-3.def /out:$(IntDir)libfftw3
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -488,6 +491,7 @@ lib /machine:x86 /def:..\..\fftw-3.3-dll32\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX86</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU/Release/;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -525,7 +529,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       <AdditionalOptions>/openmp:llvm %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -537,6 +541,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX64</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU\x64\Debug;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -577,7 +582,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       <AdditionalOptions>/openmp:llvm %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -592,6 +597,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX64</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU\x64\Release;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -629,7 +635,7 @@ lib /machine:x86 /def:..\..\fftw-3.3-dll32\libfftw3-3.def /out:$(IntDir)libfftw3
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -644,6 +650,7 @@ lib /machine:x86 /def:..\..\fftw-3.3-dll32\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX86</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU/Release/;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -686,7 +693,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       <AdditionalOptions>/openmp:llvm %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -703,6 +710,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX64</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU\x64\Release;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>
@@ -740,7 +748,7 @@ lib /machine:x86 /def:..\..\fftw-3.3-dll32\libfftw3-3.def /out:$(IntDir)libfftw3
       <LanguageStandard>stdcpp14</LanguageStandard>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -797,7 +805,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       <AdditionalOptions>/openmp:llvm %(AdditionalOptions)</AdditionalOptions>
     </ClCompile>
     <Link>
-      <AdditionalDependencies>psapi.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>psapi.lib;KLU_COMPLEX.lib;$(IntDir)libfftw3-3.lib;%(AdditionalDependencies)</AdditionalDependencies>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <HeapReserveSize>0</HeapReserveSize>
@@ -812,6 +820,7 @@ lib /machine:x64 /def:..\..\fftw-3.3-dll64\libfftw3-3.def /out:$(IntDir)libfftw3
       </DataExecutionPrevention>
       <TargetMachine>MachineX64</TargetMachine>
       <LargeAddressAware>true</LargeAddressAware>
+      <AdditionalLibraryDirectories>KLU\x64\Release;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
     </Link>
     <PostBuildEvent>
       <Command>