[mpich-discuss] Undefined references to MPL, seems to be caused by --if-needed

[Dave Goodell]

On Nov 19, 2010, at 6:04 PM CST, Jed Brown wrote:

> On Fri, 19 Nov 2010 21:43:59 +0100, Jed Brown <jed at 59A2.org> wrote:
>> On Fri, 19 Nov 2010 14:27:27 -0600 (CST), chan at mcs.anl.gov wrote:
>>  LDFLAGS="-Wl,--hash-style=gnu -Wl,--as-needed"
>> 
>> is in the default package build environment (the environment packages
>> are to be built in, not the environment users are running).  I'll use
>> MPICH2LIB_LDFLAGS so it doesn't go into the wrapper
> 
> It appears that setting MPICH2LIB_LDFLAGS, with LDFLAGS unset, still
> causes those arguments to go into the wrappers, config.log attached.

Hmm... this looks like it's the fault of configure.in:6295.  I'm not sure why we're doing this step, although I'm also hesitant to remove it without careful study.  In a pinch you might be able to get by if you comment out that line (and maybe the following line as well).

-Dave