Fixed revision.h generation for msvc10

build/msvc10/libgpac.vcxproj

@@ -595,8 +595,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <PreBuildEvent>
-      <Command>
-      </Command>
+      <Command>"$(ProjectDir)..\..\version.bat"</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalOptions>/MP %(AdditionalOptions)</AdditionalOptions>
@@ -635,8 +634,7 @@
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug - MP4Box_only|x64'">
     <PreBuildEvent>
-      <Command>
-      </Command>
+      <Command>"$(ProjectDir)..\..\version.bat"</Command>
     </PreBuildEvent>
     <ClCompile>
       <AdditionalOptions>/MP %(AdditionalOptions)</AdditionalOptions>

version.bat

@@ -1,6 +1,9 @@
 @echo off
 set OLDDIR=%CD%
 cd /d %~dp0
+
+IF NOT EXIST .\.git\NUL GOTO not_git
+
 for /f "delims=" %%a in ('git describe --tags --long') do @set VERSION=%%a
 for /f "delims=" %%a in ('git describe --tags --abbrev^=0') do @set TAG=%%a-
 for /f "delims=" %%a in ('git rev-parse --abbrev-ref HEAD') do @set BRANCH=%%a
@@ -9,6 +12,8 @@ setlocal enabledelayedexpansion
 call set VERSION=%%VERSION:!TAG!=%%
 setlocal disabledelayedexpansion
 echo #define GPAC_GIT_REVISION "%VERSION%-%BRANCH%" > test.h
+
+:write_file
 if not exist include\gpac\revision.h goto create
 ECHO n|COMP test.h include\gpac\revision.h > nul
 if errorlevel 1 goto create
@@ -17,6 +22,23 @@ goto done
 
 :create
 MOVE /Y test.h include\gpac\revision.h
+goto done
+
+:not_git
+echo "not a git dir"
+find /c "-DEV" include\gpac\version.h >nul 
+if %errorlevel% equ 1 goto rel_tag
+echo "unknwon tag"
+@echo off
+echo #define GPAC_GIT_REVISION "UNKNOWN_REV" > test.h
+goto write_file
+
+:rel_tag
+echo "release tag"
+@echo off
+echo #define GPAC_GIT_REVISION "release" > test.h
+goto write_file
+
 
 :done
 cd /d %OLDDIR%