#15968: configure doesn't error out when --enable-dwarf-unwind is given but libdw cannot be found -------------------------------------+------------------------------------- Reporter: nh2 | Owner: (none) Type: bug | Status: patch Priority: normal | Milestone: 8.8.1 Component: Build System | Version: 8.6.2 (make) | Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: Other | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D5424 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"cb882fc993b4972f7f212b291229ef9e9ade0af9/ghc" cb882fc/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="cb882fc993b4972f7f212b291229ef9e9ade0af9" Require 'libdw' for '--enable-dwarf-unwind' This causes './configure --enable-dwarf-unwind' to exit with a helpful error message when 'libdw' cannot be found (compared to the previous behaviour of silently pretending the user hadn't requested DWARF support at all). Test Plan: ./configure --enable-dwarf-unwind # on systems with/without libdw Reviewers: bgamari, nh2 Reviewed By: nh2 Subscribers: nh2, rwbarton, erikd, carter GHC Trac Issues: #15968 Differential Revision: https://phabricator.haskell.org/D5424 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15968#comment:2> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler