Playing with build script

Cargo.toml

@@ -8,3 +8,8 @@ edition = "2018"
 
 [build-dependencies]
 cc = "1.0.47"
+
+#[build]
+#rustflags = ["-C", "link-args=-L/usr/include/slang.h,--verbose"]
+#rustflags = ["-C", "link-arg=-L/usr/include/slang.h,-Wl,--verbose", "-Z", "print-link-args"]
+

build.rs

@@ -1,6 +1,7 @@
 
 use cc::Build;
-use std::path::Path;
+use std::path::{PathBuf, Path};
+use std::fs::{ReadDir, read_dir};
 
 fn main() {
   println!("Running build script");
@@ -8,8 +9,36 @@ fn main() {
   let most_src = Path::new("vendor/most-5.1.0/src");
   println!("Most src path: {}", most_src.display());
 
+  let c_files: Vec<PathBuf> = read_dir(most_src).unwrap()
+    .into_iter()
+    .filter(|entry| {
+      let path = entry.as_ref().unwrap().path();
+      match path.file_name() {
+        Some(s) if s.to_string_lossy() == "chkslang.c" => return false,
+        //Some(s) if s.to_string_lossy() == "main.c" => return false,
+        _ => ()
+      };
+      match path.extension() {
+        Some(ref s) if s.to_string_lossy() == "c" => true,
+        _ => false
+      }
+    })
+  .map(|entry| {
+    entry.unwrap().path()
+  }).collect();
+
+  for entry in c_files.iter() {
+    println!("C FILE: {}", entry.display());
+  }
+
   Build::new()
-    .files(most_src)
+    .files(c_files)
     .include(most_src)
+    .include("/usr/bin/slang.h")
+    .flag("-lslang")
     .compile("most");
+
+  //println!("rustc-cdylib-link-arg=--verbose");
+  //println!("cargo:rustc-link-search=/usr/lib");
+  //println!("cargo:rustc-link-lib=static=slang");
 }