Build changes to support work on the BSDs.

This does still contain some FreeBSD-specific bits, but
it's a pain to do partial diffs.

R=rsc
https://golang.org/cl/152138

src/Make.pkg

@@ -69,7 +69,7 @@ dir:
 	@echo $(dir)
 
 %.make:
-	(cd $* && make)
+	(cd $* && gomake)
 
 # To use cgo in a Go package, add a line
 #

src/all-arm.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/all-nacl.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/all.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/clean.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -13,6 +13,6 @@ do(
 	if test -f clean.bash; then
 		bash clean.bash
 	else
-		make clean
+		gomake clean
 	fi
 )done

src/cmd/clean.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -6,6 +6,6 @@
 for i in cc 6l 6a 6c 8l 8a 8c 8g 5l 5a 5c 5g gc 6g gopack nm cgo cov ebnflint godefs godoc gofmt gotest goyacc hgpatch prof
 do
 	cd $i
-	make clean
+	gomake clean
 	cd ..
 done

src/cmd/gofmt/test.sh

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/cmd/gotest/gotest

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -94,8 +94,8 @@ fi
 
 set -e
 
-make testpackage-clean
-make testpackage "GOTESTFILES=$gofiles"
+gomake testpackage-clean
+gomake testpackage "GOTESTFILES=$gofiles"
 if $havex; then
 	$GC -o $xofile $xgofiles
 fi
@@ -107,7 +107,7 @@ trap "rm -f _testmain.go _testmain.$O" 0 1 2 3 14 15
 MAKEFLAGS=
 MAKELEVEL=
 
-importpath=$(make -s importpath)
+importpath=$(gomake -s importpath)
 {
 	# test functions are named TestFoo
 	# the grep -v eliminates methods and other special names

src/cmd/make.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -15,13 +15,13 @@ fi
 
 cd ${O}l
 bash mkenam
-make enam.o
+gomake enam.o
 cd ..
 
 for i in cc ${O}l ${O}a ${O}c gc ${O}g gopack nm cov godefs prof gotest
 do
 	echo; echo; echo %%%% making $i %%%%; echo
 	cd $i
-	make install
+	gomake install
 	cd ..
 done

src/make-arm.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/make.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -29,7 +29,7 @@ amd64 | 386 | arm)
 esac
 
 case "$GOOS" in
-darwin | linux | nacl)
+darwin | linux | nacl | freebsd)
 	;;
 *)
 	echo '$GOOS is set to <'$GOOS'>, must be darwin, linux, or nacl' 1>&2
@@ -41,6 +41,14 @@ CC=${CC:-gcc}
 sed -e "s|@CC@|$CC|" < quietgcc.bash > $GOBIN/quietgcc
 chmod +x $GOBIN/quietgcc
 
+rm -f $GOBIN/gomake
+MAKE=make
+if ! make --version 2>/dev/null | grep 'GNU Make' >/dev/null; then
+	MAKE=gmake
+fi
+(echo '#!/bin/sh'; echo 'exec '$MAKE' "$@"') >$GOBIN/gomake
+chmod +x $GOBIN/gomake
+
 if ! (cd lib9 && which quietgcc) >/dev/null 2>&1; then
 	echo "installed quietgcc as $GOBIN/quietgcc but 'which quietgcc' fails" 1>&2
 	echo "double-check that $GOBIN is in your "'$PATH' 1>&2
@@ -83,7 +91,7 @@ do
 				bash make.bash
 				;;
 			*)
-				make install
+				gomake install
 			esac
 		)  || exit 1
 	esac

src/pkg/Makefile

@@ -120,16 +120,16 @@ nuke.dirs: $(addsuffix .nuke, $(DIRS))
 test.dirs: $(addsuffix .test, $(TEST))
 
 %.clean:
-	+cd $* && make clean
+	+cd $* && gomake clean
 
 %.install:
-	+cd $* && make install
+	+cd $* && gomake install
 
 %.nuke:
-	+cd $* && make nuke
+	+cd $* && gomake nuke
 
 %.test:
-	+cd $* && make test
+	+cd $* && gomake test
 
 clean: clean.dirs
 

src/pkg/deps.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/pkg/exp/eval/test.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors.  All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/pkg/syscall/mkall.sh

-#!/bin/sh
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -99,6 +99,10 @@ _* | *_ | _)
 	echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
 	exit 1
 	;;
+freebsd_amd64)
+	mksysnum="mksysnum_freebsd.sh /usr/src/sys/kern/syscalls.master"
+	mktypes="godefs -gsyscall -f-m64"
+	;;
 darwin_386)
 	mksyscall="mksyscall.sh -l32"
 	mksysnum="mksysnum_darwin.sh /home/rsc/pub/xnu-1228/bsd/kern/syscalls.master"

src/pkg/syscall/mkerrors.sh

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -38,6 +38,11 @@ includes_Darwin='
 #include <sys/event.h>
 '
 
+includes_FreeBSD='
+#include <sys/wait.h>
+#include <sys/event.h>
+'
+
 includes='
 #include <sys/types.h>
 #include <fcntl.h>

src/quietgcc.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

src/run.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.
@@ -19,10 +19,10 @@ maketest() {
 	do
 		(
 			xcd $i
-			make clean
-			time make
-			make install
-			make test
+			gomake clean
+			time gomake
+			gomake install
+			gomake test
 		) || exit $?
 	done
 }
@@ -34,31 +34,31 @@ maketest \
 # from what maketest does.
 
 (xcd pkg/sync;
-make clean;
-time make
-GOMAXPROCS=10 make test
+gomake clean;
+time gomake
+GOMAXPROCS=10 gomake test
 ) || exit $?
 
 (xcd cmd/gofmt
-make clean
-time make
-time make smoketest
+gomake clean
+time gomake
+time gomake smoketest
 ) || exit $?
 
 (xcd cmd/ebnflint
-make clean
-time make
-time make test
+gomake clean
+time gomake
+time gomake test
 ) || exit $?
 
 (xcd ../misc/cgo/stdio
-make clean
+gomake clean
 ./test.bash
 ) || exit $?
 
 (xcd pkg/exp/ogle
-make clean
-time make ogle
+gomake clean
+time gomake ogle
 ) || exit $?
 
 (xcd ../doc/progs

src/sudo.bash

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.

test/run

-#!/bin/bash
+#!/usr/bin/env bash
 # Copyright 2009 The Go Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style
 # license that can be found in the LICENSE file.