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doc: Mention 'guix environment guix'.

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* doc/contributing.texi (Building from Git): Mention 'guix environment
guix'.  Remove outdated description of ./bootstrap.  Clarify a few
things.
This commit is contained in:
Ludovic Courtès 2015-11-22 11:24:18 +01:00
parent 82e64fc14e
commit 5fb95cc592
1 changed files with 23 additions and 10 deletions
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33
doc/contributing.texi
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@ -32,23 +32,36 @@ the installation instructions (@pxref{Requirements}).
@item @url{http://www.gnu.org/software/help2man/, GNU Help2man (optional)}.
@end itemize
Run @command{./bootstrap} to download the Nix daemon source code and to
generate the build system infrastructure using autoconf. It reports an
error if an inappropriate version of the above packages is being used.
The easiest way to set up a development environment for Guix is, of
course, by using Guix! The following command starts a new shell where
all the dependencies and appropriate environment variables are set up to
hack on Guix:
@noindent
If you get an error like this one:
@example
guix environment guix
@end example
@xref{Invoking guix environment}, for more information on that command.
Extra dependencies can be added with @option{--ad-hoc}:
@example
guix environment guix --ad-hoc help2man git strace
@end example
Run @command{./bootstrap} to generate the build system infrastructure
using Autoconf and Automake. If you get an error like this one:
@example
configure.ac:46: error: possibly undefined macro: PKG_CHECK_MODULES
@end example
@noindent
it probably means that Autoconf couldn’t find @file{pkg.m4}, which is
provided by @command{pkg-config}. Make sure that @file{pkg.m4} is
available. For instance, if you installed Automake in
@file{/usr/local}, it wouldn’t look for @file{.m4} files in
@file{/usr/share}. So you have to invoke the following command in that
case
provided by pkg-config. Make sure that @file{pkg.m4} is available. The
same holds for the @file{guile.m4} set of macros provided by Guile. For
instance, if you installed Automake in @file{/usr/local}, it wouldn’t
look for @file{.m4} files in @file{/usr/share}. In that case, you have
to invoke the following command:
@example
export ACLOCAL_PATH=/usr/share/aclocal