1 files changed, 14 insertions, 3 deletions
diff --git a/src/makefile/macro.rs b/src/makefile/macro.rs
index 3b472a3..d27cbfa 100644
--- a/src/makefile/macro.rs
+++ b/src/makefile/macro.rs
@@ -197,7 +197,15 @@ impl Default for Set {
 
 fn builtins() -> Vec<(&'static str, TokenString)> {
     // Fuck it, might as well.
-    macro_rules! handle {
+    macro_rules! handle_key {
+        ($key:ident) => {
+            stringify!($key)
+        };
+        ($key:literal) => {
+            $key
+        };
+    }
+    macro_rules! handle_value {
         ($value:ident) => {
             stringify!($value).parse().unwrap()
         };
@@ -209,8 +217,8 @@ fn builtins() -> Vec<(&'static str, TokenString)> {
         };
     }
     macro_rules! make {
-        ($($name:ident=$value:tt)+) => {vec![$(
-            (stringify!($name), handle!($value))
+        ($($name:tt=$value:tt)+) => {vec![$(
+            (handle_key!($name), handle_value!($value))
         ),+]};
     }
 
@@ -243,6 +251,9 @@ fn builtins() -> Vec<(&'static str, TokenString)> {
         ARFLAGS="rv"
         CFLAGS=""
         FFLAGS=""
+
+        // yes, Linux, this is definitely GNU Make 4.0+
+        ".FEATURES"="output-sync"
     ]
 }