Re: [GHC] #14695: ghc --interactive error: "gcc: error: libgmp.so: No such file or directory"

#14695: ghc --interactive error: "gcc: error: libgmp.so: No such file or directory" -------------------------------------+------------------------------------- Reporter: osa1 | Owner: (none) Type: bug | Status: patch Priority: normal | Milestone: Component: Compiler | Version: Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Phab:D4330 Wiki Page: | -------------------------------------+------------------------------------- Comment (by Ben Gamari ): In [changeset:"cacba075d72473511f6924c6505952ff12a20316/ghc" cacba07/ghc]: {{{ #!CommitTicketReference repository="ghc" revision="cacba075d72473511f6924c6505952ff12a20316" Linker: ignore empty paths in addEnvPaths Previously `splitEnv` worked like this: > splitEnv "foo:::bar::baz:" ["foo","","","bar","","baz",""] with this patch: > splitEnv working_dir "foo:::bar:baz:" ["foo",working_dir,working_dir"bar","baz",working_dir] This fixes #14695, where having a trailing `:` in the env variable caused ghci to pass empty `-B` parameter to `gcc`, which in turned caused the next parameter (`--print-file-name`) to be considered as the argument to `-B`. As a result ghci did not work. The `working_dir` argument is to have a similar behavior with POSIX: according to chapter 8.3 zero-length prefix means current working directory. Reviewers: hvr, bgamari, AndreasK, simonmar Reviewed By: bgamari, AndreasK, simonmar Subscribers: AndreasK, rwbarton, thomie, carter GHC Trac Issues: #14695 Differential Revision: https://phabricator.haskell.org/D4330 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14695#comment:5 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler