"has no symbols"/"same member name" warnings using libtool

Luke Iannini lukexipd at gmail.com
Fri Sep 6 01:40:14 UTC 2013

Hi all,

I'm trying to track down the last warnings in GHC iOS.

We get this waterfall of warnings like:
warning same member name (Types.o) in output file used for input files:
due to use of basename, truncation and blank padding


has no symbols

when we run libtool to create the static libraries, and I was wondering if
anyone had any ideas what causes them so I could start debugging... I can't
seem to find much information about the warning.

Here's the output of
i386-apple-darwin11-ghc -staticlib test.'s
where test.hs is simply: main = print "hello world"
and here's the same with -v3

I suppose I can simply suppress the output of libtool when we call it from
GHC, but I'd love to find the root cause if we can.

Thanks for any hints!
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