From 4f0716ab1327eeb73a5d83e950d04820b59f932a Mon Sep 17 00:00:00 2001
From: vssukharev <sugharevmail@gmail.com>
Date: Sun, 5 Jan 2025 13:57:32 +0200
Subject: [PATCH] Fix issue when building on NixOS, firstly occured under
 commit 819a85ee

---
 CMakeLists.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index aeafecb02..782049a67 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -150,7 +150,7 @@ if(C3_WITH_LLVM)
         endif()
     endif()
 
-    if (NOT WIN32)
+    if (EXISTS /usr/lib)
         # Some systems (such as Alpine Linux) seem to put some of the relevant
         # LLVM files in /usr/lib, but this doesn't seem to be included in the
         # value of LLVM_LIBRARY_DIRS.