Repo: Explicitly specify static crt for musl targets (#1893)

smalis-msft · web-flow · commit e8acaefba359 · 2025-08-20T18:00:06.000-04:00
This is currently Rust's default behavior, but it will be changing at some point in the future (rust-lang/rust#144513). Just specifying it explicitly now doesn't hurt, and avoids the warning noise whenever it shows up.
diff --git a/.cargo/config.toml b/.cargo/config.toml
@@ -89,6 +89,8 @@ rustflags = [
 rustflags = [
   # Use the musl from the sysroot, not from the Rust distribution.
   "-Clink-self-contained=n",
+  # Force musl to be statically linked in
+  "-Ctarget-feature=+crt-static",
   # Use RELR relocation format, which is considerably smaller.
   "-Clink-arg=-Wl,-z,pack-relative-relocs",
 ]

Original file line number	Diff line number	Diff line change
`@@ -89,6 +89,8 @@ rustflags = [`
`89`	`89`	`rustflags = [`
`90`	`90`	`# Use the musl from the sysroot, not from the Rust distribution.`
`91`	`91`	`"-Clink-self-contained=n",`
	`92`	`+ # Force musl to be statically linked in`
	`93`	`+ "-Ctarget-feature=+crt-static",`
`92`	`94`	`# Use RELR relocation format, which is considerably smaller.`
`93`	`95`	`"-Clink-arg=-Wl,-z,pack-relative-relocs",`
`94`	`96`	`]`