Put /fonts on top, fix resolving of files

build/xpdf.patch

@@ -1,12 +1,12 @@
-diff --git a/xpdf/GlobalParams.cc b/xpdf/GlobalParams.cc
-index 5fd4393..98f83ce 100644
---- a/xpdf/GlobalParams.cc
+diff --git a/xpdf/GlobalParams.cc.old b/xpdf/GlobalParams.cc
+index 5fd4393..37b0e84 100644
+--- a/xpdf/GlobalParams.cc.old
 +++ b/xpdf/GlobalParams.cc
-@@ -114,6 +114,7 @@ static const char *displayFontDirs[] = {
-   "/usr/share/fonts/default/Type1",
-   "/usr/share/fonts/default/ghostscript",
-   "/usr/share/fonts/type1/gsfonts",
+@@ -109,6 +109,7 @@ static const char *displayFontDirs[] = {
+ };
+ #else
+ static const char *displayFontDirs[] = {
 +  "/fonts",
- #if defined(__sun) && defined(__SVR4)
-   "/usr/sfw/share/ghostscript/fonts",
- #endif
+   "/usr/share/ghostscript/fonts",
+   "/usr/local/share/ghostscript/fonts",
+   "/usr/share/fonts/default/Type1",

main.go

@@ -6,6 +6,7 @@ import (
 	"embed"
 	_ "embed"
 	"fmt"
+	"io/fs"
 	"log"
 	"os"
 	"path/filepath"
@@ -22,11 +23,11 @@ import (
 //go:embed wasm/*
 var wasmBinaries embed.FS
 
-//go:embed fonts
+//go:embed fonts/*
 var fontFiles embed.FS
 
 func main() {
-	ctx := context.WithValue(context.Background(), experimental.FunctionListenerFactoryKey{}, logging.NewLoggingListenerFactory(os.Stdout))
+	ctx := context.WithValue(context.Background(), experimental.FunctionListenerFactoryKey{}, logging.NewHostLoggingListenerFactory(os.Stdout, logging.LogScopeFilesystem))
 	ctx = context.Background() // Comment this line to get debug information.
 
 	runtimeConfig := wazero.NewRuntimeConfig()
@@ -86,7 +87,13 @@ func main() {
 	}
 
 	fsConfig := wazero.NewFSConfig()
-	fsConfig = fsConfig.WithFSMount(fontFiles, "/fonts")
+
+	fontsSub, err := fs.Sub(fontFiles, "fonts")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fsConfig = fsConfig.WithFSMount(fontsSub, "/fonts")
 
 	// On Windows we mount the volume of the current working directory as
 	// root. On Linux we mount / as root.