Don't error on missing Perl, just warn and disable object splitting.
authorDemi Obenour <demiobenour@gmail.com>
Thu, 19 Jan 2017 21:18:30 +0000 (16:18 -0500)
committerDemi Obenour <demiobenour@gmail.com>
Thu, 19 Jan 2017 21:22:16 +0000 (16:22 -0500)
commitf07a6c17a3d6b32cc64b0b8318a05177fc098630
tree453da27ad7d48d9a61eb598594e6110eab66c66f
parentf5bea9820eb5d573718d9a5e82c3f5acd7dbb734
Don't error on missing Perl, just warn and disable object splitting.

Summary:
If Perl isn't needed, we don't need to error out.  Since all Perl is
used for is the splitter, we can just warn.

Test Plan: GHC CI

Reviewers: bgamari, hvr, austin

Reviewed By: bgamari

Subscribers: thomie, erikd

Differential Revision: https://phabricator.haskell.org/D2986

GHC Trac Issues: #13141
configure.ac