Fix compile error hopefully, remove never-used debug code

Author: CraftSpider

crates/engine_xetex/xetex/xetex-ext.c

@@ -510,7 +510,7 @@ loadOTfont(RawPlatformFontRef fontRef, XeTeXFont font, Fixed scaled_size, char*
     }
 
     if (reqEngine == 'G') {
-    	static char* graphiteShaper[] = {"graphite2", NULL};
+    	static const char* graphiteShaper[] = {"graphite2", NULL};
         /* create a default engine so we can query the font for Graphite features;
          * because of font caching, it's cheap to discard this and create the real one later */
         engine = createLayoutEngineBorrowed(font, script, NULL,
@@ -659,7 +659,7 @@ loadOTfont(RawPlatformFontRef fontRef, XeTeXFont font, Fixed scaled_size, char*
         setFontLayoutDir(font, 1);
 
     engine = createLayoutEngine(font, script, language,
-                    features, nFeatures, shapers, rgbValue, extend, slant, embolden);
+                    features, nFeatures, (const char**) shapers, rgbValue, extend, slant, embolden);
 
     // The layout engine clones all these - this is temporary to avoid using
     // different alloc/dealloc

crates/xetex_layout/src/engine.rs

@@ -256,32 +256,32 @@ impl LayoutEngine {
 
         let glyph_count = self.hb_buffer.as_ref().len();
 
-        #[cfg(feature = "debug")]
-        {
-            use std::ffi::CStr;
-
-            let mut buf = [0u8; 1024];
-            let mut consumed = 0;
-            println!("shaper: {}", CStr::from_ptr(engine.shaper));
-
-            let flags = HB_BUFFER_SERIALIZE_FLAGS_DEFAULT;
-            let format = HB_BUFFER_SERIALIZE_FORMAT_JSON;
-
-            hb_buffer_serialize_glyphs(
-                engine.hb_buffer,
-                0,
-                glyph_count,
-                &mut buf,
-                1024,
-                &mut consumed,
-                hb_font,
-                format,
-                flags,
-            );
-            if consumed != 0 {
-                println!("buffer glyphs: {}", CStr::from_ptr(&buf));
-            }
-        }
+        // #[cfg(feature = "debug")]
+        // {
+        //     use std::ffi::CStr;
+        //
+        //     let mut buf = [0u8; 1024];
+        //     let mut consumed = 0;
+        //     println!("shaper: {}", CStr::from_ptr(engine.shaper));
+        //
+        //     let flags = HB_BUFFER_SERIALIZE_FLAGS_DEFAULT;
+        //     let format = HB_BUFFER_SERIALIZE_FORMAT_JSON;
+        //
+        //     hb_buffer_serialize_glyphs(
+        //         engine.hb_buffer,
+        //         0,
+        //         glyph_count,
+        //         &mut buf,
+        //         1024,
+        //         &mut consumed,
+        //         hb_font,
+        //         format,
+        //         flags,
+        //     );
+        //     if consumed != 0 {
+        //         println!("buffer glyphs: {}", CStr::from_ptr(&buf));
+        //     }
+        // }
 
         glyph_count
     }