sharing link.x through libbuild_zynq

src/libbuild_zynq/lib.rs

@@ -1,5 +1,22 @@
+use std::env;
 use std::fs::File;
-use std::io::{BufRead, BufReader};
+use std::io::{BufRead, BufReader, Write};
+use std::path::PathBuf;
+
+
+pub fn add_linker_script() {
+    // Put the linker script somewhere the linker can find it
+    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    File::create(out.join("link.x"))
+        .unwrap()
+        .write_all(include_bytes!("link.x"))
+        .unwrap();
+    println!("cargo:rustc-link-search={}", out.display());
+
+    // Only re-run the build script when link.x is changed,
+    // instead of when any part of the source code changes.
+    println!("cargo:rerun-if-changed=link.x");
+}
 
 pub fn cfg() {
     // Handle rustc-cfg file

src/runtime/build.rs

@@ -1,21 +1,6 @@
-use std::env;
-use std::fs::File;
-use std::io::Write;
-use std::path::PathBuf;
-
 extern crate build_zynq;
 
 fn main() {
-    // Put the linker script somewhere the linker can find it
+    build_zynq::add_linker_script();
-    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
-    File::create(out.join("link.x"))
-        .unwrap()
-        .write_all(include_bytes!("link.x"))
-        .unwrap();
-    println!("cargo:rustc-link-search={}", out.display());
-
-    // Only re-run the build script when link.x is changed,
-    // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=link.x");
     build_zynq::cfg();
 }

src/satman/build.rs

@@ -1,21 +1,6 @@
-use std::env;
-use std::fs::File;
-use std::io::Write;
-use std::path::PathBuf;
-
 extern crate build_zynq;
 
 fn main() {
-    // Put the linker script somewhere the linker can find it
+    build_zynq::add_linker_script();
-    let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
-    File::create(out.join("link.x"))
-        .unwrap()
-        .write_all(include_bytes!("../runtime/link.x"))
-        .unwrap();
-    println!("cargo:rustc-link-search={}", out.display());
-
-    // Only re-run the build script when link.x is changed,
-    // instead of when any part of the source code changes.
-    println!("cargo:rerun-if-changed=../runtime/link.x");
     build_zynq::cfg();
 }