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Building from a Git repository -*- outline -*-
These notes intend to help people working on the checked-out sources.
These requirements do not apply when building from a distribution tarball.
If this package has a file HACKING, please also read that file for
more detailed contribution guidelines.
* Requirements
We've opted to keep only the highest-level sources in the Git repository.
This eases our maintenance burden (fewer merges etc.), but imposes more
requirements on anyone wishing to build from the just-checked-out sources.
(The requirements to build from a release are much less and are just
the requirements of the standard './configure && make' procedure.)
Specific development tools and versions will be checked for and listed by
the bootstrap script. See README-prereq for specific notes on obtaining
these prerequisite tools.
Valgrind <http://valgrind.org/> is also highly recommended, if
Valgrind supports your architecture. See also README-valgrind
(if present).
While building from a just-cloned source tree may require installing a
few prerequisites, later, a plain 'git pull && make' typically suffices.
* First Git checkout
You can get a copy of the source repository like this:
$ git clone https://git.savannah.gnu.org/git/<packagename>
$ cd <packagename>
where '<packagename>' stands for 'coreutils' or whatever other package
you are building.
To use the most-recent Gnulib (as opposed to the Gnulib version that
the package last synchronized to), do this next:
$ git submodule foreach git pull origin master
$ git commit -m 'build: update gnulib submodule to latest' gnulib
As an optional step, if you already have a copy of the Gnulib Git
repository, then you can use it as a reference to reduce download
time and file system space requirements:
$ export GNULIB_SRCDIR=/path/to/gnulib
The next step is to get and check other files needed to build,
which are extracted from other source packages:
$ ./bootstrap
And there you are! Just
$ ./configure --quiet #[--disable-gcc-warnings] [*]
$ make
$ make check
At this point, there should be no difference between your local copy,
and the Git master copy:
$ git diff
should output no difference.
Enjoy!
[*] By default GCC warnings are enabled when building from Git.
If you get warnings with recent GCC and Glibc with default
configure-time options, please report the warnings to the bug
reporting address of this package instead of to bug-gnulib,
even if the problem seems to originate in a Gnulib-provided file.
If you get warnings with other configurations, you can run
'./configure --disable-gcc-warnings' or 'make WERROR_CFLAGS='
to build quietly or verbosely, respectively.
-----
* Submitting patches
If you develop a fix or a new feature, please send it to the
appropriate bug-reporting address as reported by the --help option of
each program. One way to do this is to use vc-dwim
<https://www.gnu.org/software/vc-dwim/>), as follows.
Run the command "vc-dwim --initialize" from the top-level directory
of this package's git-cloned hierarchy.
Edit the (empty) ChangeLog file that this command creates, creating a
properly-formatted entry according to the GNU coding standards
<https://www.gnu.org/prep/standards/html_node/Change-Logs.html>.
Make your changes.
Run the command "vc-dwim" and make sure its output (the diff of all
your changes) looks good.
Run "vc-dwim --commit".
Run the command "git format-patch --stdout -1", and email its output
in, using the output's subject line.
-----
Copyright (C) 2002-2023 Free Software Foundation, Inc.
This program 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.
This program 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 <https://www.gnu.org/licenses/>.
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