diff options
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/environment-gdb.scm | 13 | ||||
| -rw-r--r-- | doc/guix.texi | 33 |
2 files changed, 43 insertions, 3 deletions
diff --git a/doc/environment-gdb.scm b/doc/environment-gdb.scm new file mode 100644 index 0000000000..040a8637f8 --- /dev/null +++ b/doc/environment-gdb.scm @@ -0,0 +1,13 @@ +(use-modules (guix) + (gnu packages gdb) + (gnu packages autotools) + (gnu packages texinfo)) + +;; Augment the package definition of GDB with the build tools +;; needed when developing GDB (and which are not needed when +;; simply installing it.) +(package (inherit gdb) + (native-inputs `(("autoconf" ,autoconf-2.64) + ("automake" ,automake) + ("texinfo" ,texinfo) + ,@(package-native-inputs gdb)))) diff --git a/doc/guix.texi b/doc/guix.texi index 6164e086a3..ccccf7b347 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -4110,6 +4110,7 @@ Consider packages for @var{system}---e.g., @code{x86_64-linux}. @section Invoking @command{guix environment} @cindex reproducible build environments +@cindex development environments The purpose of @command{guix environment} is to assist hackers in creating reproducible development environments without polluting their package profile. The @command{guix environment} tool takes one or more @@ -4122,8 +4123,8 @@ The general syntax is: guix environment @var{options} @var{package}@dots{} @end example -The following examples spawns a new shell that is capable of building -the GNU Guile source code: +The following example spawns a new shell set up for the development of +GNU@tie{}Guile: @example guix environment guile @@ -4153,18 +4154,44 @@ Sometimes an interactive shell session is not desired. The guix environment guile --exec=make @end example -The following options are available: +In other situations, it is more convenient to specify the list of +packages needed in the environment. For example, the following command +runs @command{python} from an environment containing Python@tie{}2.7 and +NumPy: + +@example +guix environment --ad-hoc python2-numpy python-2.7 -E python +@end example + +The available options are summarized below. @table @code @item --expression=@var{expr} @itemx -e @var{expr} Create an environment for the package that @var{expr} evaluates to. +For example, running: + +@example +guix environment -e '(@@ (gnu packages maths) petsc-openmpi)' +@end example + +starts a shell with the environment for this specific variant of the +PETSc package. + @item --load=@var{file} @itemx -l @var{file} Create an environment for the package that the code within @var{file} evaluates to. +As an example, @var{file} might contain a definition like this +(@pxref{Defining Packages}): + +@example +@verbatiminclude environment-gdb.scm +@end example + + @item --exec=@var{command} @item -E @var{command} Execute @var{command} in the new environment. |