Rollup merge of rust-lang#119855 - rellerreller:freebsd-static, r=wesleywiser

Enable Static Builds for FreeBSD

Enable crt-static for FreeBSD to enable statically compiled binaries.

Author: compiler-errors

compiler/rustc_target/src/spec/base/freebsd.rs

@@ -6,6 +6,7 @@ pub fn opts() -> TargetOptions {
         dynamic_linking: true,
         families: cvs!["unix"],
         has_rpath: true,
+        crt_static_respected: true,
         position_independent_executables: true,
         relro_level: RelroLevel::Full,
         abi_return_struct_as_int: true,

library/unwind/src/lib.rs

@@ -121,10 +121,16 @@ extern "C" {}
 #[link(name = "unwind", kind = "static", modifiers = "-bundle")]
 extern "C" {}
 
-#[cfg(any(target_os = "freebsd", target_os = "netbsd"))]
+#[cfg(target_os = "netbsd")]
 #[link(name = "gcc_s")]
 extern "C" {}
 
+#[cfg(target_os = "freebsd")]
+#[link(name = "gcc", kind = "static", modifiers = "-bundle", cfg(target_feature = "crt-static"))]
+#[link(name = "gcc_eh", kind = "static", modifiers = "-bundle", cfg(target_feature = "crt-static"))]
+#[link(name = "gcc_s", cfg(not(target_feature = "crt-static")))]
+extern "C" {}
+
 #[cfg(all(target_os = "openbsd", target_arch = "sparc64"))]
 #[link(name = "gcc")]
 extern "C" {}