#5289: Can't use ghci with a library linked against libstdc++
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Reporter: bos | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.6.1
Component: GHCi | Version: 7.0.3
Resolution: | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: GHCi crash | Difficulty:
Testcase: | Blockedby:
Blocking: | Related:
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Comment(by spl):
I'm not that familiar with the machinery of dynamic linking or building
OS-X-specific apps, but it appears to me that you might be able to simply
change the name of the library you're looking for under OS X.
If I understand it correctly, the path to `libstdc++` is found with `gcc
--print-file-name` now:
{{{
$ gcc --print-file-name=libstdc++.dylib
/usr/lib/gcc/i686-apple-darwin9/4.0.1/libstdc++.dylib
}}}
This seems to explain the error for loading `double-conversion`:
{{{
$ ghci -package double-conversion
GHCi, version 7.4.1.20120508: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Loading package bytestring-0.9.2.1 ... linking ... done.
Loading package array-0.4.0.0 ... linking ... done.
Loading package deepseq-1.3.0.0 ... linking ... done.
Loading package text-0.11.2.1 ... linking ... done.
Loading package double-conversion-0.2.0.4 ... <command line>: can't load
.so/.DLL for: /usr/lib/gcc/i686-apple-darwin9/4.0.1/libstdc++.dylib
(dlopen(/usr/lib/gcc/i686-apple-darwin9/4.0.1/libstdc++.dylib, 9): no
suitable image found. Did find:
/usr/lib/gcc/i686-apple-darwin9/4.0.1/libstdc++.dylib: can't map)
}}}
But if I want the `libstdc++` that seems to work, I look for
`libstdc++.6.dylib`:
{{{
$ gcc --print-file-name=libstdc++.6.dylib
/usr/lib/libstdc++.6.dylib
}}}
So, does it make sense to use `libstdc++.6.dylib` instead of
`libstdc++.dylib` on OS X?
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5289#comment:45>
GHC <http://www.haskell.org/ghc/>
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