Add harfbuzz Rust bridge, simple tests

Author: CraftSpider

Cargo.lock

@@ -22,17 +22,24 @@ links = "harfbuzz"
 exclude = ["/harfbuzz/docs/", "/harfbuzz/perf/", "/harfbuzz/test/"]
 
 [dependencies]
+tectonic_bridge_freetype2 = { path = "../bridge_freetype2", version = "0.0.0-dev.0" }
 tectonic_bridge_graphite2 = { path = "../bridge_graphite2", version = "0.0.0-dev.0" }
+libc = "0.2"
 
 [build-dependencies]
 cc = "^1.0.66"
 tectonic_dep_support = { path = "../dep_support", version = "0.0.0-dev.0" }
 tectonic_cfg_support = { path = "../cfg_support", version = "0.0.0-dev.0" }
 
+[target.'cfg(target_os = "macos")'.dependencies]
+tectonic_mac_core = { path = "../mac_core", version = "0.0.0-dev.0" }
+
 [features]
 external-harfbuzz = []
 
 [package.metadata.internal_dep_versions]
+tectonic_bridge_freetype2 = "2c1ffcd702a662c003bd3d7d0ca4d169784cb6ad"
 tectonic_bridge_graphite2 = "2722731f9e32c6963fe8c8566a201b33672c5c5a"
+tectonic_mac_core = "6932d5f15fec0fb5c219b887bdd11b72641af07a"
 tectonic_dep_support = "5faf4205bdd3d31101b749fc32857dd746f9e5bc"
 tectonic_cfg_support = "thiscommit:aeRoo7oa"

crates/bridge_harfbuzz/Cargo.toml

@@ -93,6 +93,7 @@ mod inner {
         }
 
         // Include paths exported by our internal dependencies:
+        let freetype2_include_path = env::var("DEP_FREETYPE2_INCLUDE_PATH").unwrap();
         let graphite2_include_path = env::var("DEP_GRAPHITE2_INCLUDE_PATH").unwrap();
         let graphite2_static = !env::var("DEP_GRAPHITE2_DEFINE_STATIC").unwrap().is_empty();
 
@@ -104,6 +105,10 @@ mod inner {
             .define("HAVE_GRAPHITE2", "1")
             .file("harfbuzz/src/harfbuzz.cc");
 
+        for item in freetype2_include_path.split(';') {
+            cfg.include(item);
+        }
+
         for item in graphite2_include_path.split(';') {
             cfg.include(item);
         }
@@ -138,6 +143,10 @@ mod inner {
             include_dir.to_str().expect("non-string-friendly OUT_DIR")
         );
 
+        for item in freetype2_include_path.split(';') {
+            print!(";{item}");
+        }
+
         for item in graphite2_include_path.split(';') {
             print!(";{item}");
         }