[RFC PATCH v1 3/4] libgit-sys: parallelize build with Cargo's jobserver
From: Josh Steadmon <hidden>
Date: 2025-03-18 23:24:31
Subsystem:
the rest · Maintainer:
Linus Torvalds
Cargo provides GNU Make flags that can be used to connect to its jobserver for managing parallel builds. They are not automatically passed to any `make` invocations, so let's add that to our build.rs script. Signed-off-by: Josh Steadmon <redacted> --- contrib/libgit-sys/build.rs | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/contrib/libgit-sys/build.rs b/contrib/libgit-sys/build.rs
index 9d586d272d..16e0d66afb 100644
--- a/contrib/libgit-sys/build.rs
+++ b/contrib/libgit-sys/build.rs@@ -8,9 +8,11 @@ pub fn main() -> std::io::Result<()> { let crate_root = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap()); let git_root = crate_root.join("git-src"); let dst = PathBuf::from(env::var_os("OUT_DIR").unwrap()); + let makeflags = env::var_os("CARGO_MAKEFLAGS").unwrap(); let make_output = make_cmd::gnu_make() .env("DEVELOPER", "1") + .env("MAKEFLAGS", &makeflags) .env_remove("PROFILE") .current_dir(git_root.clone()) .args([
@@ -33,6 +35,7 @@ pub fn main() -> std::io::Result<()> { let make_output = make_cmd::gnu_make() .env("DEVELOPER", "1") + .env("MAKEFLAGS", &makeflags) .env_remove("PROFILE") .current_dir(git_root.clone()) .args([
--
2.49.0.rc1.451.g8f38331e32-goog