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-rw-r--r--src/makefile/input.rs14
1 files changed, 9 insertions, 5 deletions
diff --git a/src/makefile/input.rs b/src/makefile/input.rs
index 3707aef..316968f 100644
--- a/src/makefile/input.rs
+++ b/src/makefile/input.rs
@@ -331,11 +331,15 @@ impl<'a, 'parent, R: BufRead> MakefileReader<'a, 'parent, R> {
Err(err) => return Some((line_number, Err(err))),
};
if let Some(line) = cond_line {
- let action = line.action(
- self.conditional_stack.last(),
- |name| self.macros.is_defined(name),
- |t| self.expand_macros(t),
- );
+ let action = line
+ .action(
+ self.conditional_stack.last(),
+ |name| self.macros.is_defined(name),
+ |t| self.expand_macros(t),
+ )
+ .wrap_err_with(|| {
+ format!("while applying conditional on line {}", line_number)
+ });
let action = match action {
Ok(x) => x,
Err(err) => return Some((line_number, Err(err))),