libdw: More precise version check
authorBen Gamari <bgamari.foss@gmail.com>
Fri, 15 Apr 2016 09:43:41 +0000 (11:43 +0200)
committerBen Gamari <ben@smart-cactus.org>
Fri, 15 Apr 2016 22:21:41 +0000 (00:21 +0200)
commite9ad48935fa48aa32dc39a55512168ba5f5bdbd2
tree8145731d2744dad11d8baba583d9fa5c20482313
parenta7ee2d4c4229b27af324ebac93081f692835365d
libdw: More precise version check

Test Plan: Try configure in an environment with older `libdw`

Reviewers: hvr, austin

Subscribers: thomie, erikd

Differential Revision: https://phabricator.haskell.org/D2103

GHC Trac Issues: #11820
configure.ac
distrib/configure.ac.in