id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	os	architecture	failure	difficulty	testcase	blockedby	blocking	related
5289	Can't use ghci with a library linked against libstdc++	bos		"My `double-conversion` library links to a C++ library. If I build it and try to use it from `ghci`, I get a failure:

{{{

Prelude Data.Double.Conversion.Text Data.Text> :m +Data.Double.Conversion.Text Data.Text
Prelude Data.Double.Conversion.Text Data.Text> 
Leaving GHCi.
~ $ ghci
GHCi, version 7.0.2: http://www.haskell.org/ghc/  :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer-gmp ... linking ... done.
Loading package base ... linking ... done.
Prelude> :m +Data.Double.Conversion.Text Data.Text
Prelude Data.Double.Conversion.Text Data.Text> toShortest 3
Loading package double-conversion-0.2.0.0 ... can't load .so/.DLL for: stdc++ (libstdc++.so: cannot open shared object file: No such file or directory)
}}}

I can sort of work around this, but then I get a different crash:

{{{
~ $ ln -s /usr/lib64/libstdc++.so.6 libstdc++.so
~ $ LD_LIBRARY_PATH=$(pwd) ghci
GHCi, version 7.0.2: http://www.haskell.org/ghc/  :? for help
Prelude> :m +Data.Double.Conversion.Text Data.Text
Prelude Data.Double.Conversion.Text Data.Text> toShortest 3
Loading package double-conversion-0.2.0.0 ... linking ... done.
""Floating point exception (core dumped)
}}}

Unfortunately, `gdb` doesn't give me a useful stack trace from this :-("	bug	new	normal	7.6.2	GHCi	7.0.3			pho@… v.dijk.bas@… vandijk.roel@… ivan.stojic@… howard_b_golden@… echo@… hartmut0407@… rian@… wren@… leather@…	Unknown/Multiple	Unknown/Multiple	GHCi crash