When building libc crate with musl, don't look for libc.a

[rust.git] / src / liblibc / lib.rs

diff --git a/src/liblibc/lib.rs b/src/liblibc/lib.rs
index b7a40a3f9cf13ba5f2d4a1025e5207afa53982bc..2676d4879b5e397f93b5b778ca4e79246f80cf65 100644 (file)
--- a/src/liblibc/lib.rs
+++ b/src/liblibc/lib.rs
@@ -146,7 +146,10 @@
 #[link(name = "m")]
 extern {}
 
-#[cfg(all(target_env = "musl", not(test)))]
+// When compiling rust with musl, statically include libc.a in liblibc.rlib.
+// A cargo build of the libc crate will therefore automatically pick up the
+// libc.a symbols because liblibc is transitively linked to by the stdlib.
+#[cfg(all(target_env = "musl", not(feature = "cargo-build"), not(test)))]
 #[link(name = "c", kind = "static")]
 extern {}