Make llvm_sys a public export

Signed-off-by: Alex Saveau <saveau.alexandre@gmail.com>

src/lib.rs

@@ -42,33 +42,33 @@ pub mod values;
 
 // Boilerplate to select a desired llvm_sys version at compile & link time.
 #[cfg(feature = "llvm10-0")]
-extern crate llvm_sys_100 as llvm_sys;
+pub extern crate llvm_sys_100 as llvm_sys;
 #[cfg(feature = "llvm11-0")]
-extern crate llvm_sys_110 as llvm_sys;
+pub extern crate llvm_sys_110 as llvm_sys;
 #[cfg(feature = "llvm12-0")]
-extern crate llvm_sys_120 as llvm_sys;
+pub extern crate llvm_sys_120 as llvm_sys;
 #[cfg(feature = "llvm13-0")]
-extern crate llvm_sys_130 as llvm_sys;
+pub extern crate llvm_sys_130 as llvm_sys;
 #[cfg(feature = "llvm14-0")]
-extern crate llvm_sys_140 as llvm_sys;
+pub extern crate llvm_sys_140 as llvm_sys;
 #[cfg(feature = "llvm15-0")]
-extern crate llvm_sys_150 as llvm_sys;
+pub extern crate llvm_sys_150 as llvm_sys;
 #[cfg(feature = "llvm16-0")]
-extern crate llvm_sys_160 as llvm_sys;
+pub extern crate llvm_sys_160 as llvm_sys;
 #[cfg(feature = "llvm17-0")]
-extern crate llvm_sys_170 as llvm_sys;
+pub extern crate llvm_sys_170 as llvm_sys;
 #[cfg(feature = "llvm4-0")]
-extern crate llvm_sys_40 as llvm_sys;
+pub extern crate llvm_sys_40 as llvm_sys;
 #[cfg(feature = "llvm5-0")]
-extern crate llvm_sys_50 as llvm_sys;
+pub extern crate llvm_sys_50 as llvm_sys;
 #[cfg(feature = "llvm6-0")]
-extern crate llvm_sys_60 as llvm_sys;
+pub extern crate llvm_sys_60 as llvm_sys;
 #[cfg(feature = "llvm7-0")]
-extern crate llvm_sys_70 as llvm_sys;
+pub extern crate llvm_sys_70 as llvm_sys;
 #[cfg(feature = "llvm8-0")]
-extern crate llvm_sys_80 as llvm_sys;
+pub extern crate llvm_sys_80 as llvm_sys;
 #[cfg(feature = "llvm9-0")]
-extern crate llvm_sys_90 as llvm_sys;
+pub extern crate llvm_sys_90 as llvm_sys;
 
 use llvm_sys::{
     LLVMAtomicOrdering, LLVMAtomicRMWBinOp, LLVMDLLStorageClass, LLVMIntPredicate, LLVMRealPredicate,