Port to FreeBSD

lib/llvm-backend/build.rs

@@ -58,6 +58,7 @@ lazy_static! {
             "llvm-config".into(),
             format!("llvm-config-{}", CRATE_VERSION.major),
             format!("llvm-config-{}.{}", CRATE_VERSION.major, CRATE_VERSION.minor),
+            format!("llvm-config{}{}", CRATE_VERSION.major, CRATE_VERSION.minor),
         ]
     };
 

lib/llvm-backend/src/backend.rs

@@ -206,7 +206,10 @@ impl LLVMBackend {
 
         let buffer = Arc::new(Buffer::LlvmMemory(memory_buffer));
 
-        #[cfg(all(any(target_os = "linux", target_os = "macos"), target_arch = "x86_64"))]
+        #[cfg(all(
+            any(target_os = "freebsd", target_os = "linux", target_os = "macos"),
+            target_arch = "x86_64"
+        ))]
         {
             use super::stackmap::{self, StkMapRecord, StkSizeRecord};
             use std::collections::BTreeMap;

lib/llvm-backend/src/stackmap.rs

@@ -53,7 +53,10 @@ pub enum StackmapEntryKind {
 }
 
 impl StackmapEntry {
-    #[cfg(all(any(target_os = "linux", target_os = "macos"), target_arch = "x86_64"))]
+    #[cfg(all(
+        any(target_os = "freebsd", target_os = "linux", target_os = "macos"),
+        target_arch = "x86_64"
+    ))]
     pub fn populate_msm(
         &self,
         module_info: &ModuleInfo,