From 4e9999f06fafbc3858fd8883e32f217faa0b5da9 Mon Sep 17 00:00:00 2001 From: Adam Greig Date: Tue, 21 Jul 2020 23:23:49 +0100 Subject: [PATCH 1/2] Re-add build script with note this time --- build.rs | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 build.rs diff --git a/build.rs b/build.rs new file mode 100644 index 0000000..9576922 --- /dev/null +++ b/build.rs @@ -0,0 +1,30 @@ +//! This build script copies the `memory.x` file from the crate root into +//! a directory where the linker can always find it at build time. +//! For many projects this is optional, as the linker always searches the +//! project root directory -- wherever `Cargo.toml` is. However, if you +//! are using a workspace or have a more complicated build setup, this +//! build script becomes required. Additionally, by requesting that +//! Cargo re-run the build script whenever `memory.x` is changed, +//! updating `memory.x` ensures a rebuild of the application with the +//! new memory settings. + +use std::env; +use std::fs::File; +use std::io::Write; +use std::path::PathBuf; + +fn main() { + // Put `memory.x` in our output directory and ensure it's + // on the linker search path. + let out = &PathBuf::from(env::var_os("OUT_DIR").unwrap()); + File::create(out.join("memory.x")) + .unwrap() + .write_all(include_bytes!("memory.x")) + .unwrap(); + println!("cargo:rustc-link-search={}", out.display()); + + // By default, Cargo will re-run a build script whenever + // any file in the project changes. By specifying `memory.x` + // here, we ensure the build script is only re-run when + // `memory.x` is changed. + println!("cargo:rerun-if-changed=memory.x"); } From 541c7df215bc3982bc6a77a811c8748a2833a245 Mon Sep 17 00:00:00 2001 From: Daniel Egger Date: Wed, 22 Jul 2020 00:27:48 +0200 Subject: [PATCH 2/2] Update build.rs Co-authored-by: Jonas Schievink --- build.rs | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/build.rs b/build.rs index 9576922..d534cc3 100644 --- a/build.rs +++ b/build.rs @@ -27,4 +27,5 @@ fn main() { // any file in the project changes. By specifying `memory.x` // here, we ensure the build script is only re-run when // `memory.x` is changed. - println!("cargo:rerun-if-changed=memory.x"); } + println!("cargo:rerun-if-changed=memory.x"); +}