diff options
Diffstat (limited to 'doc/languages-frameworks/perl.section.md')
| -rw-r--r-- | doc/languages-frameworks/perl.section.md | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/doc/languages-frameworks/perl.section.md b/doc/languages-frameworks/perl.section.md index c992b9d658b..9bfd209fec5 100644 --- a/doc/languages-frameworks/perl.section.md +++ b/doc/languages-frameworks/perl.section.md @@ -58,13 +58,7 @@ in `all-packages.nix`. You can test building a Perl package as follows: $ nix-build -A perlPackages.ClassC3 ``` -`buildPerlPackage` adds `perl-` to the start of the name attribute, so the package above is actually called `perl-Class-C3-0.21`. So to install it, you can say: - -```ShellSession -$ nix-env -i perl-Class-C3 -``` - -(Of course you can also install using the attribute name: `nix-env -i -A perlPackages.ClassC3`.) +To install it with `nix-env` instead: `nix-env -f. -iA perlPackages.ClassC3`. So what does `buildPerlPackage` do? It does the following: @@ -135,9 +129,11 @@ This will remove the `-I` flags from the shebang line, rewrite them in the `use Nix expressions for Perl packages can be generated (almost) automatically from CPAN. This is done by the program `nix-generate-from-cpan`, which can be installed as follows: ```ShellSession -$ nix-env -i nix-generate-from-cpan +$ nix-env -f "<nixpkgs>" -iA nix-generate-from-cpan ``` +Substitute `<nixpkgs>` by the path of a nixpkgs clone to use the latest version. + This program takes a Perl module name, looks it up on CPAN, fetches and unpacks the corresponding package, and prints a Nix expression on standard output. For example: ```ShellSession |