Query runtime version of LLVM

crystal-lang · Jan 18, 2025 · eef524f · eef524f
1 parent 2b544f1
commit eef524f
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/src/compiler/crystal/config.cr b/src/compiler/crystal/config.cr
@@ -11,7 +11,12 @@ module Crystal
     end
 
     def self.llvm_version
-      LibLLVM::VERSION
+      {% if LibLLVM.has_method?(:get_version) %}
+        LibLLVM.get_version(out major, out minor, out patch)
+        "#{major}.#{minor}.#{patch}"
+      {% else %}
+        LibLLVM::VERSION
+      {% end %}
     end
 
     def self.description

diff --git a/src/llvm/lib_llvm/core.cr b/src/llvm/lib_llvm/core.cr
@@ -17,6 +17,10 @@ lib LibLLVM
 
   fun dispose_message = LLVMDisposeMessage(message : Char*)
 
+  {% unless LibLLVM::IS_LT_160 %}
+    fun get_version = LLVMGetVersion(major : UInt*, minor : UInt*, patch : UInt*) : Void
+  {% end %}
+
   fun create_context = LLVMContextCreate : ContextRef
   fun dispose_context = LLVMContextDispose(c : ContextRef)