Windows: take care of manifest files

The easiest way to take care of manifest files is to integrate them
into the associated binary (.exe or .dll).  MT (the Manifest Tool) is
the utility to use for this.
Reviewed-by: NRich Salz <rsalz@openssl.org>

Configurations/00-base-templates.conf

@@ -91,6 +91,10 @@
         ar              => "lib",
         arflags         => "/nologo",
         aroutflag       => "/out:",
+        mt              => "mt",
+        mtflags         => "-nologo",
+        mtinflag        => "-manifest ",
+        mtoutflag       => "-outputresource:",
 
         build_file      => "makefile",
         build_scheme    => [ "unified", "windows" ],

Configurations/windows-makefile.tmpl

@@ -157,6 +157,11 @@ AR={- $target{ar} -}
 ARFLAGS= {- $target{arflags} -}
 AROUTFLAG={- $target{aroutflag} || "/out:" -}
 
+MT={- $target{mt} -}
+MTFLAGS= {- $target{mtflags} -}
+MTINFLAG={- $target{mtinflag} || "-manifest " -}
+MTOUTFLAG={- $target{mtoutflag} || "-outputresource:" -}
+
 AS={- $target{as} -}
 ASFLAGS={- $target{asflags} -}
 ASOUTFLAG={- $target{asoutflag} -}
@@ -460,10 +465,13 @@ $target: $deps "$ordinalsfile" "$mkdef_pl"
 	DEL $shlib.def.tmp
 	"\$(PERL)" "$mkrc_pl" $shlib$shlibext > $shlib.rc
 	\$(RC) \$(RCOUTFLAG)$shlib.res $shlib.rc
+	IF EXIST $shlib$shlibext.manifest DEL /F /Q $shlib$shlibext.manifest
 	\$(LD) \$(LDFLAGS) \$(LIB_LDFLAGS) \\
 		/implib:\$@ \$(LDOUTFLAG)$shlib$shlibext /def:$shlib.def @<< || (DEL /Q \$(\@B).* $shlib.* && EXIT 1)
 $objs $shlib.res$linklibs \$(EX_LIBS)
 <<
+	IF EXIST $shlib$shlibext.manifest \\
+	   \$(MT) \$(MTFLAGS) \$(MTINFLAG) $shlib$shlibext.manifest \$(MTOUTFLAG)$shlib$shlibext
 	IF EXIST apps\\$shlib$shlibext DEL /Q /F apps\\$shlib$shlibext
 	IF EXIST test\\$shlib$shlibext DEL /Q /F test\\$shlib$shlibext
 	COPY $shlib$shlibext apps
@@ -482,6 +490,7 @@ EOF
 		     compute_lib_depends(@{$args{deps}}));
      return <<"EOF";
 $dso$dsoext: $deps
+	IF EXIST $dso$dsoext.manifest DEL /F /Q $dso$dsoext.manifest
 	\$(LD) \$(LDFLAGS) \$(DSO_LDFLAGS) \$(LDOUTFLAG)$dso$dsoext /def:<< @<<
 LIBRARY         $dso_n
 EXPORTS
@@ -490,6 +499,8 @@ EXPORTS
 <<
 $objs$linklibs \$(EX_LIBS)
 <<
+	IF EXIST $dso$dsoext.manifest \\
+	   \$(MT) \$(MTFLAGS) \$(MTINFLAG) $dso$dsoext.manifest \$(MTOUTFLAG)$dso$dsoext
 EOF
  }
  sub obj2lib {
@@ -520,9 +531,12 @@ EOF
 		     compute_lib_depends(@{$args{deps}}));
      return <<"EOF";
 $bin$exeext: $deps
+	IF EXIST $bin$exeext.manifest DEL /F /Q $bin$exeext.manifest
 	\$(LD) \$(LDFLAGS) \$(BIN_LDFLAGS) \$(LDOUTFLAG)$bin$exeext @<<
 $objs setargv.obj$linklibs \$(EX_LIBS)
 <<
+	IF EXIST $bin$exeext.manifest \\
+	   \$(MT) \$(MTFLAGS) \$(MTINFLAG) $bin$exeext.manifest \$(MTOUTFLAG)$bin$exeext
 EOF
   }
   sub in2script {