[GHC] #5289: Can't use ghci with a library linked against libstdc++
GHC
ghc-devs at haskell.org
Fri Jul 26 14:40:54 CEST 2013
#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: 7.6.2
Component: GHCi | Version: 7.0.3
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture: Unknown/Multiple
Type of failure: GHCi crash | Difficulty: Unknown
Test Case: | Blocked By:
Blocking: | Related Tickets:
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Changes (by svenpanne):
* difficulty: => Unknown
Comment:
Asking 'gcc --print-file-name' might solve some of the C++ troubles
mentioned above, but in general I feel that it is the wrong thing to do:
GHCi is not mirroring what would happen at runtime for a compiled program,
see e.g. https://github.com/haskell-opengl/OpenGL/issues/42 where the
problem is described in length for libGL.so. In that special case it could
be argued that the Ubuntu setup is a bit strange, but the C++ stuff above
looks equally weird to me, too.
IMHO, if dlopen(foo, RTLD_LAZY) succeeds when looking for foo, one should
not ask GCC and leave the path to foo as it is. GHCi will use the same
mechanism later when loading/resolving symbols, anyway.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/5289#comment:47>
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