From 06eeecc0defec91a6e0fa8eb4acff27a59785e66 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Tue, 6 Apr 2021 20:37:24 -0600
Subject: skip rule-specific macros instead of trying to parse them as prereqs

---
 src/makefile/input.rs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/makefile/input.rs')

diff --git a/src/makefile/input.rs b/src/makefile/input.rs
index e5473a1..9c895e1 100644
--- a/src/makefile/input.rs
+++ b/src/makefile/input.rs
@@ -474,7 +474,6 @@ impl<'a, 'parent, R: BufRead> MakefileReader<'a, 'parent, R> {
         let (targets, not_targets) = line_tokens
             .split_once(':')
             .ok_or_else(|| eyre!("read_rule couldn't find a ':' on line {}", line_number))?;
-        // TODO handle rule-specific variables
         let targets = self.expand_macros(&targets)?;
         let targets = targets.split_whitespace().collect::<Vec<_>>();
         let (prerequisites, mut commands) = match not_targets.split_once(';') {
@@ -484,6 +483,10 @@ impl<'a, 'parent, R: BufRead> MakefileReader<'a, 'parent, R> {
             }
             None => (not_targets, vec![]),
         };
+        if prerequisites.contains_text("=") {
+            log::error!("rule-specific macros are not implemented yet");
+            return Ok(());
+        }
         let prerequisites = self.expand_macros(&prerequisites)?;
         let prerequisites = prerequisites
             .split_whitespace()
-- 
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