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-*-text-*-
-------------------------------------------------------------------------------
Copyright (C) 2002-2012 Free Software Foundation, Inc.
This file is part of GNU Make.
GNU Make is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3 of the License, or (at your option) any later
version.
GNU Make is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------------------
Obtaining Git Code
------------------
This seems redundant, since if you're reading this you most likely have
already performed this step; however, for completeness, you can obtain the GNU
make source code via Git from the FSF's Savannah project
<http://savannah.gnu.org/projects/make/>:
$ git clone git://git.savannah.gnu.org/make.git
Changes using Git
-----------------
For non-developers, please continue to provide patches as before, or if you
make a public repository I can pull from that if you prefer.
For developers, I'm still new to Git myself, so I don't have a ton of advice.
In this release we will continue to create ChangeLog files by hand so please
don't forget to update the ChangeLog.
Rule #1: Don't rewrite pushed history (don't use "git push --force").
Typical simple workflow might be:
* Edit files
* Use "git status" and "git diff" to verify your changes
* Use "git add" to stage the changes you want to make
* Use "git commit" to commit the staged changes to your local repository
* Use "git pull" to accept & merge new changes from the Savannah repository
* Use "git push" to push your commits back to the Savannah repository
For Emacs users, there are many options for Git integration but I strongly
recommend the Magit package: http://www.emacswiki.org/emacs/Magit
It makes the workflow much clearer, and has advanced features such as
constructing multiple commits from various files and even from different
diff chunks in the same file. There is a video available which helps a lot.
Building From Git
-----------------
To build GNU make from Git, you will need Autoconf, Automake, and
Gettext, and any tools that those utilities require (GNU m4, Perl,
etc.). See the configure.ac file to find the minimum versions of each
of these tools. You will also need a copy of wget.
When building from Git you must build in the source directory: "VPATH
builds" from remote directories are not supported. Once you've created
a distribution, of course, you can unpack it and do a VPATH build from
there.
After checking out the code, you will need to perform these steps to get
to the point where you can run "make".
1) $ autoreconf -i
This rebuilds all the things that need rebuilding, installing
missing files as symbolic links.
You may get warnings here about missing files like README, etc.
Ignore them, they are harmless.
2) $ ./configure
Generate a Makefile
3) $ make update
Use wget to retrieve various other files that GNU make relies on,
but does not keep in its own source tree.
NB: You may need GNU make to correctly perform this step; if you use
a platform-local make you may get problems with missing files in doc/.
At this point you have successfully brought your Git copy of the GNU
make source directory up to the point where it can be treated
more-or-less like the official package you would get from ftp.gnu.org.
That is, you can just run:
$ make && make check && make install
to build and install GNU make.
Windows builds from Git
-----------------------
If you have a UNIX emulation like CYGWIN you can opt to run the general
build procedure above; it will work. Be sure to read
README.W32.template for information on options you might want to use
when running ./configure.
If you can't or don't want to do that, then rename the file
README.W32.template to README.W32 and follow those instructions.
Creating a Package
------------------
Once you have performed the above steps (including the configuration and
build) you can create a GNU make package. This is very simple, just
run:
$ make dist-gzip
and, if you like:
$ make dist-bzip2
Even better, you should run this:
$ make distcheck
Which will build both .gz and .bz2 package files, then unpack them into
a temporary location, try to build them, and repack them, verifying that
everything works, you get the same results, _and_ no extraneous files
are left over after the "distclean" rule--whew!! Now, _that_ is why
converting to Automake is worth the trouble! A big "huzzah!" to Tom
T. and the AutoToolers!
Steps to Release
----------------
Here are the things that need to be done (in more or less this order)
before making an official release:
* Update the configure.ac file with the new release number.
* Update the NEWS file with the release number and date.
* In Savannah modify the "Value", "Rank", and "Description" values for the
current "SCM" entry in both "Component Version" and "Fix Release" fields
to refer to the new release, for "Bugs" and "Patches".
* Update the Savannah bug list URL in the NEWS file to use the correct
"Fixed Release" ID number.
* In Savannah create a new entry for the "Component Version" and "Fix
Release" fields:
- Value: SCM
- Rank: 20
- Descr: Fixed in Git; will be available in the next version of Make.
* Run "make distcheck" to be sure it all works.
* git tag -u <GPGID> <VER> where GPGID is my GPG key fingerprint,
and VER is the release version.
* Push everything.
* Create the new release in the Savannah "Bugs" Administration for
both the "Component Version" and "Fixed Release" fields.
* Create the new release in the Savannah "Patches" Administration for
the "Fixed Release" field.
Publishing a Package
--------------------
In order to publish a package on the FSF FTP site, either the release
site ftp://ftp.gnu.org, or the prerelease site ftp://alpha.gnu.org, you
first need to have my GPG private key and my passphrase to unlock it.
And, you can't have them! So there! But, just so I remember here's
what to do:
Make sure the "Steps to Release" are complete and committed and tagged.
git clone git://git.savannah.gnu.org/make.git make-release
cd make-release
<run the commands above to build the release>
make upload-alpha # for alpha.gnu.org (pre-releases)
-OR-
make upload-ftp # for ftp.gnu.org (official releases)
Depending on your distribution (whether GnuPG is integrated with your keyring
etc.) it will either pop up a window asking for your GPG key passphrase one
time, or else it will use the CLI to ask for the GPG passphrase _THREE_ times.
Sigh.
For both final releases and pre-releases, send an email with the URL of
the package to the GNU translation robot to allow the translators to
work on it:
<translation@iro.umontreal.ca>
Where to Announce
-----------------
Create the announcement in a text file, then sign it with GPG.
gpg --clearsign <announcement.txt>
Upload to gnu.org, then login and send from my account there.
To: bug-make@gnu.org, help-make@gnu.org, make-w32@gnu.org
CC: info-gnu@gnu.org
BCC: make-alpha@gnu.org
Add a news item to the Savannah project site.
Add an update to freshmeat.net.
Appendix A - For The Brave
--------------------------
For those of you who trust me implicitly, or are just brave (or
foolhardy), here is a canned sequence of commands to build a GNU make
distribution package from a virgin Git source checkout (assuming all the
prerequisites are available of course).
This list is eminently suitable for a quick swipe o' the mouse and a
swift click o' mouse-2 into an xterm. Go for it!
autoreconf -i
./configure
make update
make
make check
Or, for a debugging version:
autoreconf -i && ./configure CFLAGS=-g && make update && make && make check
Or, all-in-one:
autoreconf -i && ./configure && make update && make && make check
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