Add custom step for Windows for git-version.c.

.gitignore

@@ -37,6 +37,7 @@ gen
 libs
 obj
 build*/
+/git-version.c
 
 .pspsh.hist
 __testoutput.txt

Core/Core.vcxproj

@@ -74,6 +74,10 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
+    <PreBuildEvent>
+      <Command>../Windows/git-version-gen.cmd</Command>
+      <Message>Updating git-version.c</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
@@ -87,6 +91,10 @@
     <Link>
       <GenerateDebugInformation>true</GenerateDebugInformation>
     </Link>
+    <PreBuildEvent>
+      <Command>../Windows/git-version-gen.cmd</Command>
+      <Message>Updating git-version.c</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
@@ -104,6 +112,11 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
+    <CustomBuildStep />
+    <PreBuildEvent>
+      <Command>../Windows/git-version-gen.cmd</Command>
+      <Message>Updating git-version.c</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <ClCompile>
@@ -120,11 +133,16 @@
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
     </Link>
+    <PreBuildEvent>
+      <Command>../Windows/git-version-gen.cmd</Command>
+      <Message>Updating git-version.c</Message>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="..\ext\disarm.cpp" />
     <ClCompile Include="..\ext\snappy\snappy-c.cpp" />
     <ClCompile Include="..\ext\snappy\snappy.cpp" />
+    <ClCompile Include="..\git-version.c" />
     <ClCompile Include="Config.cpp" />
     <ClCompile Include="Core.cpp" />
     <ClCompile Include="CoreTiming.cpp" />

Core/Core.vcxproj.filters

@@ -382,6 +382,7 @@
     <ClCompile Include="Font\PGF.cpp">
       <Filter>Font</Filter>
     </ClCompile>
+    <ClCompile Include="..\git-version.c" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="ELF\ElfReader.h">

Windows/git-version-gen.cmd

@@ -0,0 +1,61 @@
+@echo off
+rem // Copyright (c) 2012- PPSSPP Project.
+
+rem // This program is free software: you can redistribute it and/or modify
+rem // it under the terms of the GNU General Public License as published by
+rem // the Free Software Foundation, version 2.0 or later versions.
+
+rem // This program is distributed in the hope that it will be useful,
+rem // but WITHOUT ANY WARRANTY; without even the implied warranty of
+rem // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+rem // GNU General Public License 2.0 for more details.
+
+rem // A copy of the GPL 2.0 should have been included with the program.
+rem // If not, see http://www.gnu.org/licenses/
+
+rem // Official git repository and contact information can be found at
+rem // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
+
+setlocal
+
+set GIT_VERSION_FILE=%~p0..\git-version.c
+if "%GIT%" == "" (
+	set GIT=git
+)
+
+if exist "%GIT_VERSION_FILE%" (
+	rem // Skip updating the file if PPSSPP_GIT_VERSION_NO_UPDATE is 1.
+	findstr /B /C:"#define PPSSPP_GIT_VERSION_NO_UPDATE 1" "%GIT_VERSION_FILE%" > NUL
+	if not errorlevel 1 (
+		goto done
+	)
+)
+
+"%GIT%" describe --always > NUL 2> NUL
+if errorlevel 1 (
+	echo Unable to update git-version.c, %GIT% not on path.
+
+	echo // This is a generated file. > "%GIT_VERSION_FILE%"
+	echo. >> "%GIT_VERSION_FILE%"
+	echo const char *PPSSPP_GIT_VERSION = "unknown"; >> "%GIT_VERSION_FILE%"
+	goto done
+)
+
+for /F %%I IN ('"%GIT%" describe --always') do set GIT_VERSION=%%I
+
+rem // Don't modify the file if it already has the current version.
+if exist "%GIT_VERSION_FILE%" (
+	findstr /C:"%GIT_VERSION%" "%GIT_VERSION_FILE%" > NUL
+	if not errorlevel 1 (
+		goto done
+	)
+)
+
+echo // This is a generated file. > "%GIT_VERSION_FILE%"
+echo. >> "%GIT_VERSION_FILE%"
+echo const char *PPSSPP_GIT_VERSION = "%GIT_VERSION%"; >> "%GIT_VERSION_FILE%"
+echo. >> "%GIT_VERSION_FILE%"
+echo // If you don't want this file to update/recompile, change to 1. >> "%GIT_VERSION_FILE%"
+echo #define PPSSPP_GIT_VERSION_NO_UPDATE 0 >> "%GIT_VERSION_FILE%"
+
+:done