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-rw-r--r--library/std/build.rs71
1 files changed, 14 insertions, 57 deletions
diff --git a/library/std/build.rs b/library/std/build.rs
index f2ed7552afb..f730569f74b 100644
--- a/library/std/build.rs
+++ b/library/std/build.rs
@@ -3,66 +3,23 @@ use std::env;
 fn main() {
     println!("cargo:rerun-if-changed=build.rs");
     let target = env::var("TARGET").expect("TARGET was not set");
-    if target.contains("linux") {
-        if target.contains("android") {
-            println!("cargo:rustc-link-lib=dl");
-            println!("cargo:rustc-link-lib=log");
-            println!("cargo:rustc-link-lib=gcc");
-        }
-    } else if target.contains("freebsd") {
-        println!("cargo:rustc-link-lib=execinfo");
-        println!("cargo:rustc-link-lib=pthread");
+    if target.contains("freebsd") {
         if env::var("RUST_STD_FREEBSD_12_ABI").is_ok() {
             println!("cargo:rustc-cfg=freebsd12");
         }
-    } else if target.contains("netbsd") {
-        println!("cargo:rustc-link-lib=pthread");
-        println!("cargo:rustc-link-lib=rt");
-    } else if target.contains("dragonfly") || target.contains("openbsd") {
-        println!("cargo:rustc-link-lib=pthread");
-    } else if target.contains("solaris") {
-        println!("cargo:rustc-link-lib=socket");
-        println!("cargo:rustc-link-lib=posix4");
-        println!("cargo:rustc-link-lib=pthread");
-        println!("cargo:rustc-link-lib=resolv");
-    } else if target.contains("illumos") {
-        println!("cargo:rustc-link-lib=socket");
-        println!("cargo:rustc-link-lib=posix4");
-        println!("cargo:rustc-link-lib=pthread");
-        println!("cargo:rustc-link-lib=resolv");
-        println!("cargo:rustc-link-lib=nsl");
-        // Use libumem for the (malloc-compatible) allocator
-        println!("cargo:rustc-link-lib=umem");
-    } else if target.contains("apple-darwin") {
-        println!("cargo:rustc-link-lib=System");
-
-        // res_init and friends require -lresolv on macOS/iOS.
-        // See #41582 and http://blog.achernya.com/2013/03/os-x-has-silly-libsystem.html
-        println!("cargo:rustc-link-lib=resolv");
-    } else if target.contains("apple-ios") {
-        println!("cargo:rustc-link-lib=System");
-        println!("cargo:rustc-link-lib=objc");
-        println!("cargo:rustc-link-lib=framework=Security");
-        println!("cargo:rustc-link-lib=framework=Foundation");
-        println!("cargo:rustc-link-lib=resolv");
-    } else if target.contains("uwp") {
-        println!("cargo:rustc-link-lib=ws2_32");
-        // For BCryptGenRandom
-        println!("cargo:rustc-link-lib=bcrypt");
-    } else if target.contains("windows") {
-        println!("cargo:rustc-link-lib=advapi32");
-        println!("cargo:rustc-link-lib=ws2_32");
-        println!("cargo:rustc-link-lib=userenv");
-    } else if target.contains("fuchsia") {
-        println!("cargo:rustc-link-lib=zircon");
-        println!("cargo:rustc-link-lib=fdio");
-    } else if target.contains("cloudabi") {
-        if cfg!(feature = "backtrace") {
-            println!("cargo:rustc-link-lib=unwind");
-        }
-        println!("cargo:rustc-link-lib=c");
-        println!("cargo:rustc-link-lib=compiler_rt");
-    } else if (target.contains("sgx") && target.contains("fortanix"))
+    } else if target.contains("linux")
+        || target.contains("netbsd")
+        || target.contains("dragonfly")
+        || target.contains("openbsd")
+        || target.contains("solaris")
+        || target.contains("illumos")
+        || target.contains("apple-darwin")
+        || target.contains("apple-ios")
+        || target.contains("uwp")
+        || target.contains("windows")
+        || target.contains("fuchsia")
+        || target.contains("cloudabi")
+        || (target.contains("sgx") && target.contains("fortanix"))
         || target.contains("hermit")
         || target.contains("l4re")
         || target.contains("redox")