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Re: [patch libquadmath]: Fix build of gfortran using libquadmath for pe-coff targets
On 23/11/2010 18:52, Kai Tietz wrote:
> 2010/11/23 Dave Korn <email@example.com>:
>> On 21/11/2010 19:12, Kai Tietz wrote:
>>> by recent libquadmath patch there was a bootstrap issue for
>>> i686-pc-cygwin, i686-pc-mingw32, and x86_64-w64-mingw32. I was
>>> reasoned by some minor nits in configure and makefile AFAICS.
>>> (libquadmath_la_LDFLAGS): Add -no-undefined.
>> Argh. This can have undesired side-effects on Darwin. It may have to only
>> be added for Windows hosts. (I have to fix this same problem for lto-plugin.)
> Well, this is the same pattern as used in libssp. So if darwin has an
> issue here, we have more then one place in gcc doing this.
Yes, we probably do. I don't fully understand the problem, and IIUC it only
affects Darwin in certain cases (where dynamic lookup of undefined symbols is
required at runtime, I think).