Add first draft version of upmake, tool for updating makefiles.

Start moving away from files.bkl as the primary source for the files -- and
away from bakefile itself as the make/project file generator -- by storing the
list of files in a new build/files file and provide a simple build/upmake
script for updating files.bkl and the manually maintained MSVC10+ projects
from this file contents.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@76610 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

build/tools/upmake/t/03_update_msbuild.t

@@ -0,0 +1,50 @@
+use strict;
+use warnings;
+use autodie;
+use Test::More;
+
+use Text::Upmake;
+BEGIN { use_ok('Text::Upmake::MSBuild'); }
+
+my $sources = [qw(file1.cpp file2.cpp fileNew.cpp)];
+my $headers = [qw(file1.h file2.h fileNew.h)];
+
+open my $out, '>', \my $outstr;
+update_msbuild(*DATA, $out, $sources, $headers);
+
+note("Result: $outstr");
+
+like($outstr, qr/file1\.cpp/, 'existing source file was preserved');
+like($outstr, qr/fileNew\.cpp/m, 'new source file was added');
+unlike($outstr, qr/fileOld\.cpp/, 'old source file was removed');
+unlike($outstr, qr/file3\.h/, 'old header was removed');
+like($outstr, qr/fileNew\.h/, 'new header was added');
+
+done_testing()
+
+__DATA__
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="file1.cpp" />
+    <ClCompile Include="file2.cpp" />
+    <ClCompile Include="fileOld.cpp" />
+    <ClCompile Include="file3.cpp" >
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='DLL Debug|Win32'">Create</PrecompiledHeader>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="file1.h" />
+    <ClInclude Include="file2.h" />
+    <ClInclude Include="file3.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>