no_std support

Cargo.toml

@@ -9,19 +9,34 @@ documentation = "https://docs.rs/cosmic-text/latest/cosmic_text/"
 repository = "https://github.com/pop-os/cosmic-text"
 
 [dependencies]
-fontdb = "0.9.3"
+fontdb = { version = "0.10", default-features = false }
+libm = "0.2"
 log = "0.4"
 ouroboros = "0.15.5"
-rustybuzz = "0.5"
+rustybuzz = { version = "0.5", default-features = false, features = ["libm"]}
 swash = { version = "0.1", optional = true }
-sys-locale = "0.2"
-unicode-bidi = "0.3"
+sys-locale = { version = "0.2", optional = true }
 unicode-linebreak = "0.1"
 unicode-script = "0.5"
 unicode-segmentation = "1.7"
 
+[dependencies.unicode-bidi]
+version = "0.3"
+default-features = false
+features = ["hardcoded-data"]
+
 [features]
-default = ["swash"]
+default = ["std", "swash"]
+no_std = [
+  "rustybuzz/libm",
+]
+std = [
+  "fontdb/memmap",
+  "fontdb/std",
+  "rustybuzz/std",
+  "sys-locale",
+  "unicode-bidi/std",
+]
 
 [workspace]
 members = [