Merge pull request #1899 from joshtriplett/support-static-glibc

Author: JohnTitor

src/lib.rs

@@ -19,7 +19,7 @@
 // Attributes needed when building as part of the standard library
 #![cfg_attr(
     feature = "rustc-dep-of-std",
-    feature(cfg_target_vendor, link_cfg, no_core)
+    feature(cfg_target_vendor, link_cfg, no_core, static_nobundle)
 )]
 #![cfg_attr(libc_thread_local, feature(thread_local))]
 // Enable extra lints:

src/unix/linux_like/linux/gnu/b64/x86_64/not_x32.rs

@@ -410,7 +410,6 @@ pub const SYS_pkey_alloc: ::c_long = 330;
 pub const SYS_pkey_free: ::c_long = 331;
 pub const SYS_statx: ::c_long = 332;
 
-#[link(name = "util")]
 extern "C" {
     pub fn sysctl(
         name: *mut ::c_int,

src/unix/linux_like/linux/gnu/mod.rs

@@ -1362,7 +1362,6 @@ extern "C" {
     ) -> ::c_int;
 }
 
-#[link(name = "util")]
 extern "C" {
     pub fn ioctl(fd: ::c_int, request: ::c_ulong, ...) -> ::c_int;
     pub fn backtrace(buf: *mut *mut ::c_void, sz: ::c_int) -> ::c_int;
@@ -1436,7 +1435,6 @@ extern "C" {
     ) -> ::c_int;
 }
 
-#[link(name = "dl")]
 extern "C" {
     pub fn dlmopen(
         lmid: Lmid_t,

src/unix/mod.rs

@@ -298,6 +298,32 @@ cfg_if! {
     } else if #[cfg(feature = "std")] {
         // cargo build, don't pull in anything extra as the libstd dep
         // already pulls in all libs.
+    } else if #[cfg(all(target_os = "linux",
+                        target_env = "gnu",
+                        feature = "rustc-dep-of-std"))] {
+        #[link(name = "util", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "rt", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "pthread", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "m", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "dl", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "c", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "gcc_eh", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "gcc", kind = "static-nobundle",
+            cfg(target_feature = "crt-static"))]
+        #[link(name = "util", cfg(not(target_feature = "crt-static")))]
+        #[link(name = "rt", cfg(not(target_feature = "crt-static")))]
+        #[link(name = "pthread", cfg(not(target_feature = "crt-static")))]
+        #[link(name = "m", cfg(not(target_feature = "crt-static")))]
+        #[link(name = "dl", cfg(not(target_feature = "crt-static")))]
+        #[link(name = "c", cfg(not(target_feature = "crt-static")))]
+        extern {}
     } else if #[cfg(target_env = "musl")] {
         #[cfg_attr(feature = "rustc-dep-of-std",
                    link(name = "c", kind = "static",