From: Shenghou Ma <minux.ma@gmail.com>
Date: Mon, 12 Mar 2012 19:31:11 +0000 (+0800)
Subject: build: update Makefile to track source code dependencies better
X-Git-Tag: weekly.2012-03-13~36
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=0359621241d09521978950ebc5e068352a549c64;p=gostls13.git

build: update Makefile to track source code dependencies better
      Also update .hgignore to ignore y.output.

R=rsc
CC=golang-dev
https://golang.org/cl/5797061
---

diff --git a/.hgignore b/.hgignore
index 741d7c61b2..b140555fd9 100644
--- a/.hgignore
+++ b/.hgignore
@@ -33,6 +33,7 @@ misc/goplay/goplay
 misc/osx/*.pkg
 misc/osx/*.dmg
 src/cmd/6a/6a
+src/cmd/?a/y.output
 src/cmd/?l/enam.c
 src/cmd/cc/y.output
 src/cmd/dist/dist.dSYM
diff --git a/src/cmd/gc/Makefile b/src/cmd/gc/Makefile
index df34c05b27..58e25faaf9 100644
--- a/src/cmd/gc/Makefile
+++ b/src/cmd/gc/Makefile
@@ -6,7 +6,7 @@ include ../../Make.dist
 
 install: y.tab.h builtin.c
 
-y.tab.h: go.y
+y.tab.h: go.y go.errors bisonerrors
 	bison -v -y -d go.y
 	# make yystate global, yytname mutable
 	cat y.tab.c | sed '/ int yystate;/d; s/int yychar;/int yychar, yystate;/; s/static const char \*const yytname/const char *yytname/; s/char const \*yymsgp/char *yymsgp/' >y1.tab.c