makefiles: Add support in make_makefiles for flags in sfd files.

fonts/Makefile.in

@@ -11,7 +11,3 @@ FONT_SRCS = \
 	tahoma.sfd \
 	tahomabd.sfd \
 	wingding.sfd
-
-# Make sure that make_makefiles sees the generated rules
-install install-lib::
-clean::

tools/make_makefiles

@@ -266,6 +266,24 @@ sub get_makedep_flags($)
     my %flags;
 
     open FILE, $file or die "cannot open $file";
+    if ($file =~ /\.sfd$/)
+    {
+        while (<FILE>)
+        {
+            next unless /^UComments:\s*\"(.*)\"$/;
+            foreach my $pragma (split /\+AAoA/, $1)
+            {
+                next unless $pragma =~ /^#\s*pragma\s+makedep\s+(.*)/;
+                foreach my $flag (split /\s+/, $1)
+                {
+                    $flags{$flag} = 1;
+                    last if $flag eq "font";
+                }
+            }
+        }
+    }
+    else
+    {
         while (<FILE>)
         {
             next unless /^#\s*pragma\s+makedep\s+(.*)/;
@@ -275,6 +293,7 @@ sub get_makedep_flags($)
                 $flags{$flag} = 1;
             }
         }
+    }
     close FILE;
     return %flags;
 }
@@ -342,7 +361,12 @@ sub assign_sources_to_makefiles(@)
         elsif ($name =~ /\.rh$/) { push @{${$make}{"=HEADER_SRCS"}}, $name; }
         elsif ($name =~ /\.inl$/) { push @{${$make}{"=HEADER_SRCS"}}, $name; }
         elsif ($name =~ /\.svg$/) { push @{${$make}{"=SVG_SRCS"}}, $name; }
-        elsif ($name =~ /\.sfd$/) { push @{${$make}{"=FONT_SRCS"}}, $name; }
+        elsif ($name =~ /\.sfd$/)
+        {
+            ${${$make}{"=flags"}}{"clean"} = 1 if defined $flags{"font"};
+            ${${$make}{"=flags"}}{"install-lib"} = 1 if defined $flags{"install"};
+            push @{${$make}{"=FONT_SRCS"}}, $name;
+        }
         elsif ($name =~ /\.c$/)
         {
             ${${$make}{"=flags"}}{"staticimplib"} = 1 if defined $flags{"implib"};