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The Go programming language
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Russ Cox 1e480cd1ad gc: add -p flag to catch import cycles earlier 
The linker would catch them if gc succeeded,
but too often the cycle manifests as making the
current package and the imported copy of itself
appear as different packages, which result in
type signature mismatches that confuse users.

As a crutch, add the -p flag to say 'if you see an
import of this package, give up early'.  Results in
messages like (during gotest in sort):

export_test.go:7: import "sort" while compiling that package (import cycle)
export_test.go:7: import "container/heap": package depends on "sort" (import cycle)

Fixes #2042.

R=ken
CC=bradfitz, dsymonds, golang-dev
https://golang.org/cl/4972057
2011-09-07 15:50:21 -04:00
doc weekly.html: remove note about exp/template -> template move. 2011-09-07 14:10:14 +10:00
include 5a, 5c, 6a, 6c, 8a, 8c: fix Windows file paths 2011-09-07 15:49:56 -04:00
lib godoc: more index size reduction 2011-08-31 14:01:58 -07:00
misc gofmt: indent multi-line signatures 2011-09-06 11:27:36 -07:00
src gc: add -p flag to catch import cycles earlier 2011-09-07 15:50:21 -04:00
test gc: treat DOTMETH like DOT in escape analysis. 2011-09-07 19:03:11 +02:00
.hgignore exp/norm: added trie lookup code and associated tests. 2011-08-10 15:34:12 +02:00
.hgtags tag weekly.2011-09-01 2011-09-01 17:30:41 +10:00
AUTHORS A+C: Ziad Hatahet (individual CLA) 2011-09-07 13:53:05 -04:00
CONTRIBUTORS A+C: Ziad Hatahet (individual CLA) 2011-09-07 13:53:05 -04:00
favicon.ico add a favicon plus a couple of hi-res versions of gordon 2009-10-26 10:13:07 -07:00
LICENSE LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
PATENTS LICENSE: separate, change PATENTS text 2010-12-06 16:31:59 -05:00
README build: update, streamline documentation for new $GOBIN 2010-08-24 20:00:50 -04:00
robots.txt godoc: serve robots.txt raw 2011-02-19 05:46:20 +11:00

README 

This is the source code repository for the Go programming language.  

For documentation about how to install and use Go,
visit http://golang.org/ or load doc/install.html in your web browser.

After installing Go, you can view a nicely formatted
doc/install.html by running godoc --http=:6060
and then visiting http://localhost:6060/doc/install.html.

Unless otherwise noted, the Go source files are distributed
under the BSD-style license found in the LICENSE file.

--

Binary Distribution Notes

If you have just untarred a binary Go distribution, you need to set
the environment variable $GOROOT to the full path of the go
directory (the one containing this README).  You can omit the
variable if you unpack it into /usr/local/go, or if you rebuild
from sources by running all.bash (see doc/install.html).
You should also add the Go binary directory $GOROOT/bin
to your shell's path.

For example, if you extracted the tar file into $HOME/go, you might
put the following in your .profile:

    export GOROOT=$HOME/go
    export PATH=$PATH:$GOROOT/bin

See doc/install.html for more details.