fix build: reverting exp/eval Makefile to old form

(gofmt doesn't exist when this is built)

R=rsc
CC=golang-dev
https://golang.org/cl/1838041

diff --git a/src/pkg/exp/eval/Makefile b/src/pkg/exp/eval/Makefile
index 4accbb26da062e2600fe780cd92c86b8fc828e5b..50d8a175ed32f6f550bd34dbcce47f059dc1a7c8 100644 (file)
--- a/src/pkg/exp/eval/Makefile
+++ b/src/pkg/exp/eval/Makefile
@@ -30,8 +30,8 @@ eval: main.$O
 gen.$O: gen.go
        $(QUOTED_GOBIN)/$(GC) $<
 
-expr1.go: gen.$O
-       $(QUOTED_GOBIN)/$(LD) -o generate $<;\
+generate: gen.$O $(pkgdir)/$(TARG).a
+       $(QUOTED_GOBIN)/$(LD) -o $@ $<;\
        ./generate > expr1.go;\
        gofmt -w expr1.go