ExtUtils::testlib(3pm) Perl Programmers Reference Guide ExtUtils::testlib(3pm)

# [NAME](#NAME)

ExtUtils::testlib - add blib/* directories to @INC

# [SYNOPSIS](#SYNOPSIS)

```
  use ExtUtils::testlib;
```

# [DESCRIPTION](#DESCRIPTION)

After an extension has been built and before it is installed it may be desirable to test it bypassing "make test". By adding

```
    use ExtUtils::testlib;
```

to a test program the intermediate directories used by "make" are added to @INC.

2026-08-31 perl v5.44.0

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Document: ExtUtils::testlib(3pm) from perl 5.44.0-r1 (Chainguard OS)
Source: https://github.com/Perl/perl5.git