From 96f6ebfb80018f75b0cfaca2ea146e042bb33094 Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Fri, 6 Nov 2015 21:09:34 +0100
Subject: [PATCH] visualc/*.vcxproj, win_bison.exe in CustomBuild instead of
 PreBuildEvent

---
 visualc/sharedspice.vcxproj   | 23 +++++------
 visualc/vngspice.vcxproj      | 77 +++++++++++++----------------------
 visualc/vngspice_fftw.vcxproj | 53 ++++++++----------------
 3 files changed, 57 insertions(+), 96 deletions(-)

diff --git a/visualc/sharedspice.vcxproj b/visualc/sharedspice.vcxproj
index 8c30c7dc8..51c48dd03 100644
--- a/visualc/sharedspice.vcxproj
+++ b/visualc/sharedspice.vcxproj
@@ -61,10 +61,8 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <CustomBuildStep>
       <Message />
@@ -104,10 +102,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <CustomBuildStep>
       <Message />
@@ -147,10 +143,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOMP|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <CustomBuildStep>
       <Message />
@@ -698,6 +692,11 @@
     <ClInclude Include="parse-bison.h" />
   </ItemGroup>
   <ItemGroup>
+    <CustomBuild Include="..\src\frontend\parse-bison.y;..\src\spicelib\parser\inpptree-parser.y">
+      <Message>invoke win_bison.exe for %(Identity)</Message>
+      <Command>..\..\flex-bison\win_bison.exe --output=%(Filename).c --defines=%(Filename).h %(Identity) || exit 1</Command>
+      <Outputs>%(Filename).c;%(Filename).h</Outputs>
+    </CustomBuild>
     <None Include="..\src\sharedspice.map" />
     <None Include="..\src\xspice\icm\objects.inc" />
   </ItemGroup>
diff --git a/visualc/vngspice.vcxproj b/visualc/vngspice.vcxproj
index 0743862d0..bc2f72039 100644
--- a/visualc/vngspice.vcxproj
+++ b/visualc/vngspice.vcxproj
@@ -200,10 +200,8 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <ClCompile>
       <Optimization>Disabled</Optimization>
@@ -238,10 +236,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
@@ -282,10 +278,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <Midl>
       <TargetEnvironment>X64</TargetEnvironment>
@@ -323,10 +317,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <Midl>
       <TargetEnvironment>X64</TargetEnvironment>
@@ -372,10 +364,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_debug|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <ClCompile>
       <Optimization>Disabled</Optimization>
@@ -410,10 +400,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
@@ -454,10 +442,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_debug|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <Midl>
       <TargetEnvironment>X64</TargetEnvironment>
@@ -495,10 +481,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <Midl>
       <TargetEnvironment>X64</TargetEnvironment>
@@ -542,10 +526,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOMP|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
@@ -587,10 +569,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOMP|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <Midl>
       <TargetEnvironment>X64</TargetEnvironment>
@@ -637,10 +617,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release_omp|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <ClCompile>
       <Optimization>MaxSpeed</Optimization>
@@ -682,10 +660,8 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release_omp|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
-      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1</Command>
+      <Message>force recompilation of conf.c with actual date</Message>
+      <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj</Command>
     </PreBuildEvent>
     <Midl>
       <TargetEnvironment>X64</TargetEnvironment>
@@ -1237,6 +1213,11 @@
     <ClInclude Include="parse-bison.h" />
   </ItemGroup>
   <ItemGroup>
+    <CustomBuild Include="..\src\frontend\parse-bison.y;..\src\spicelib\parser\inpptree-parser.y">
+      <Message>invoke win_bison.exe for %(Identity)</Message>
+      <Command>..\..\flex-bison\win_bison.exe --output=%(Filename).c --defines=%(Filename).h %(Identity) || exit 1</Command>
+      <Outputs>%(Filename).c;%(Filename).h</Outputs>
+    </CustomBuild>
     <None Include="..\src\xspice\icm\objects.inc" />
   </ItemGroup>
   <ItemGroup>
diff --git a/visualc/vngspice_fftw.vcxproj b/visualc/vngspice_fftw.vcxproj
index b2dff2e96..8aa8b6c43 100644
--- a/visualc/vngspice_fftw.vcxproj
+++ b/visualc/vngspice_fftw.vcxproj
@@ -200,10 +200,8 @@
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll32\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <ClCompile>
@@ -243,10 +241,8 @@ lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll32\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <ClCompile>
@@ -292,10 +288,8 @@ lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll64\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <Midl>
@@ -338,10 +332,8 @@ lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll64\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <Midl>
@@ -392,10 +384,8 @@ lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_debug|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll32\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <ClCompile>
@@ -435,10 +425,8 @@ lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll32\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <ClCompile>
@@ -484,10 +472,8 @@ lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_debug|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll64\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <Midl>
@@ -530,10 +516,8 @@ lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll64\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <Midl>
@@ -582,10 +566,8 @@ lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOMP|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll32\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <ClCompile>
@@ -632,10 +614,8 @@ lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseOMP|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll64\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <Midl>
@@ -687,10 +667,8 @@ lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release_omp|Win32'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll32\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <ClCompile>
@@ -737,10 +715,8 @@ lib /machine:x86 /def:fftw3\fftw-3.3.3-dll32\libfftw3-3.def /out:fftw3\fftw-3.3.
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='console_release_omp|x64'">
     <PreBuildEvent>
-      <Message>Recompile conf.c with actual date, invoke win_bison</Message>
+      <Message>force recompilation of conf.c with actual date</Message>
       <Command>if exist $(IntDir)conf.obj del $(IntDir)conf.obj
-..\..\flex-bison\win_bison.exe --output=inpptree-parser.c --defines=inpptree-parser.h ..\src\spicelib\parser\inpptree-parser.y || exit 1
-..\..\flex-bison\win_bison.exe --output=parse-bison.c --defines=parse-bison.h ..\src\frontend\parse-bison.y || exit 1
 lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.3-dll64\libfftw3-3.lib</Command>
     </PreBuildEvent>
     <Midl>
@@ -1297,6 +1273,11 @@ lib /machine:x64 /def:fftw3\fftw-3.3.3-dll64\libfftw3-3.def /out:fftw3\fftw-3.3.
     <ClInclude Include="parse-bison.h" />
   </ItemGroup>
   <ItemGroup>
+    <CustomBuild Include="..\src\frontend\parse-bison.y;..\src\spicelib\parser\inpptree-parser.y">
+      <Message>invoke win_bison.exe for %(Identity)</Message>
+      <Command>..\..\flex-bison\win_bison.exe --output=%(Filename).c --defines=%(Filename).h %(Identity) || exit 1</Command>
+      <Outputs>%(Filename).c;%(Filename).h</Outputs>
+    </CustomBuild>
     <None Include="..\src\xspice\icm\objects.inc" />
   </ItemGroup>
   <ItemGroup>