Backport syslist.go fixes to 4.8

[Michael Hudson-Doyle]

Hi,

Recently, build.goosList and build.goarchList got fixed in mainline to
be sensible, hard-coded, lists rather than odd autogenerated lists.
This patch updates the 4.8 branch to match.

Cheers,
mwh

diff --git a/libgo/Makefile.am b/libgo/Makefile.am
index 957f23c..199b444 100644
--- a/libgo/Makefile.am
+++ b/libgo/Makefile.am
@@ -1255,7 +1255,7 @@ go_go_build_files = \
        go/go/build/build.go \
        go/go/build/doc.go \
        go/go/build/read.go \
-       syslist.go
+       go/go/build/syslist.go
 go_go_doc_files = \
        go/go/doc/comment.go \
        go/go/doc/doc.go \
@@ -2713,15 +2713,6 @@ go/build/check: $(CHECK_DEPS)
        @$(CHECK)
 .PHONY: go/build/check
 
-syslist.go: s-syslist; @true
-s-syslist: Makefile
-       echo '// Generated automatically by make.' >syslist.go.tmp
-       echo 'package build' >>syslist.go.tmp
-       echo 'const goosList = "$(GOOS)"' >>syslist.go.tmp
-       echo 'const goarchList = "$(GOARCH)"' >>syslist.go.tmp
-       $(SHELL) $(srcdir)/../move-if-change syslist.go.tmp syslist.go
-       $(STAMP) $@
-
 @go_include@ go/doc.lo.dep
 go/doc.lo.dep: $(go_go_doc_files)
        $(BUILDDEPS)
diff --git a/libgo/Makefile.in b/libgo/Makefile.in
index 706a72e..61cca73 100644
--- a/libgo/Makefile.in
+++ b/libgo/Makefile.in
@@ -1447,7 +1447,7 @@ go_go_build_files = \
        go/go/build/build.go \
        go/go/build/doc.go \
        go/go/build/read.go \
-       syslist.go
+       go/go/build/syslist.go
 
 go_go_doc_files = \
        go/go/doc/comment.go \
@@ -5071,15 +5071,6 @@ go/build/check: $(CHECK_DEPS)
        @$(CHECK)
 .PHONY: go/build/check
 
-syslist.go: s-syslist; @true
-s-syslist: Makefile
-       echo '// Generated automatically by make.' >syslist.go.tmp
-       echo 'package build' >>syslist.go.tmp
-       echo 'const goosList = "$(GOOS)"' >>syslist.go.tmp
-       echo 'const goarchList = "$(GOARCH)"' >>syslist.go.tmp
-       $(SHELL) $(srcdir)/../move-if-change syslist.go.tmp syslist.go
-       $(STAMP) $@
-
 @go_include@ go/doc.lo.dep
 go/doc.lo.dep: $(go_go_doc_files)
        $(BUILDDEPS)
diff --git a/libgo/go/go/build/syslist.go b/libgo/go/go/build/syslist.go
new file mode 100644
index 0000000..a322c88
--- /dev/null
+++ b/libgo/go/go/build/syslist.go
@@ -0,0 +1,8 @@
+// Copyright 2011 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.
+
+package build
+
+const goosList = "darwin dragonfly freebsd linux netbsd openbsd plan9 windows 
solaris "
+const goarchList = "386 amd64 arm alpha m68k mipso32 mipsn32 mipsn64 mipso64 
ppc ppc64 sparc sparc64 "