When we're building PIC we don't need the large code model. Try small.

Only mangle darwin to linux when PIC is disabled (the reason we do it is to avoid LLVM forcably enabling PIC for us).

lib/compiler-llvm/src/config.rs

@@ -95,8 +95,12 @@ impl LLVM {
     }
 
     fn code_model(&self) -> CodeModel {
+        if self.is_pic {
+            CodeModel::Small
+        } else {
             CodeModel::Large
         }
+    }
 
     fn target_triple(&self, target: &Target) -> TargetTriple {
         // Hack: we're using is_pic to determine whether this is a native
@@ -106,8 +110,10 @@ impl LLVM {
         } else {
             target_lexicon::BinaryFormat::Elf
         };
-        let operating_system =
-            if target.triple().operating_system == wasmer_compiler::OperatingSystem::Darwin {
+        let operating_system = if target.triple().operating_system
+            == wasmer_compiler::OperatingSystem::Darwin
+            && !self.is_pic
+        {
             // LLVM detects static relocation + darwin + 64-bit and
             // force-enables PIC because MachO doesn't support that
             // combination. They don't check whether they're targeting