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-rw-r--r--src/cmd/yacc/Makefile8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/cmd/yacc/Makefile b/src/cmd/yacc/Makefile
index 480844805..f8c8169bd 100644
--- a/src/cmd/yacc/Makefile
+++ b/src/cmd/yacc/Makefile
@@ -2,9 +2,11 @@
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
-expr: yacc.go expr.y
+TARG=expr$(shell go env GOEXE)
+
+$(TARG): yacc.go expr.y
go run yacc.go -p expr expr.y
- go build -o expr y.go
+ go build -o $(TARG) y.go
clean:
- rm -f y.go y.output expr
+ rm -f y.go y.output $(TARG)