- bump libczi git repo

- replace anyhow with custom error type

build.rs

@@ -1,6 +1,5 @@
 extern crate bindgen;
 
-use anyhow::{Error, Result};
 use std::env;
 use std::path::PathBuf;
 
@@ -10,15 +9,36 @@ use std::fmt::Debug;
 #[cfg(not(feature = "dynamic"))]
 use bindgen::callbacks::ItemInfo;
 
-#[cfg(not(feature = "dynamic"))]
-use std::collections::HashMap;
-
 #[cfg(not(feature = "dynamic"))]
 use regex::Regex;
+#[cfg(not(feature = "dynamic"))]
+use std::collections::HashMap;
+use std::fmt::{Display, Formatter};
 
-fn main() -> Result<()> {
+struct Error(String);
+
+impl Debug for Error {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.write_str(&self.0)
+    }
+}
+
+impl Display for Error {
+    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+        f.write_str(&self.0)
+    }
+}
+
+impl std::error::Error for Error {}
+
+impl Error {
+    fn msg<S: ToString>(msg: S) -> Box<dyn std::error::Error> {
+        Box::new(Error(msg.to_string()))
+    }
+}
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
     if env::var("DOCS_RS").is_err() {
-        let out_dir = PathBuf::from(env::var("OUT_DIR")?).canonicalize()?;
         let libczi_dir = PathBuf::from("libczi");
         let libczi_src = libczi_dir.join("Src/libCZI");
         let libcziapi_inc = libczi_dir.join("Src/libCZIAPI/inc");
@@ -41,9 +61,9 @@ fn main() -> Result<()> {
 
         #[cfg(not(feature = "dynamic"))]
         let bindings = {
-            let mut libcziapi_a = out_dir.join("build/Src/libCZIAPI/liblibCZIAPIStatic.a");
+            let mut libcziapi_a = dst.join("build/Src/libCZIAPI/liblibCZIAPIStatic.a");
             if !libcziapi_a.exists() {
-                libcziapi_a = out_dir.join("build/Src/libCZIAPI/liblibCZIAPIStatic.lib");
+                libcziapi_a = dst.join("build/Src/libCZIAPI/liblibCZIAPIStatic.lib");
             }
             bindgen::Builder::default().parse_callbacks(Box::new(DeMangler::new(libcziapi_a)?))
         };
@@ -78,7 +98,7 @@ fn main() -> Result<()> {
             )
             .generate()?;
 
-        bindings.write_to_file(out_dir.join("lib_czi_api.rs"))?;
+        bindings.write_to_file(dst.join("lib_czi_api.rs"))?;
 
         #[cfg(not(feature = "dynamic"))]
         {
@@ -131,7 +151,7 @@ struct DeMangler {
 
 #[cfg(not(feature = "dynamic"))]
 impl DeMangler {
-    fn new(a_file: PathBuf) -> Result<Self> {
+    fn new(a_file: PathBuf) -> Result<Self, Box<dyn std::error::Error>> {
         let cmd = std::process::Command::new("nm").arg(&a_file).output()?;
         let pat = Regex::new(r"^[\da-f]*\s[A-Z]\s(.*_Z(\d+)(libCZI_.*))$")?;
         let mut map = HashMap::new();