From 994dc909dc54caa9eaa473b9807c171e1763d27e Mon Sep 17 00:00:00 2001
From: Justin W Smith <103147162+justsmth@users.noreply.github.com>
Date: Wed, 24 Apr 2024 05:32:36 -0400
Subject: [PATCH] Use specified include directories prior to CFLAGS (#1043)

---
 src/lib.rs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 1830b9da..99c2fd9c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1773,17 +1773,17 @@ impl Build {
             cmd.push_cc_arg(format!("-std{}{}", separator, std).into());
         }
 
+        for directory in self.include_directories.iter() {
+            cmd.args.push("-I".into());
+            cmd.args.push(directory.as_os_str().into());
+        }
+
         if let Ok(flags) = self.envflags(if self.cpp { "CXXFLAGS" } else { "CFLAGS" }) {
             for arg in flags {
                 cmd.push_cc_arg(arg.into());
             }
         }
 
-        for directory in self.include_directories.iter() {
-            cmd.args.push("-I".into());
-            cmd.args.push(directory.as_os_str().into());
-        }
-
         // If warnings and/or extra_warnings haven't been explicitly set,
         // then we set them only if the environment doesn't already have
         // CFLAGS/CXXFLAGS, since those variables presumably already contain