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From: | Jeff Squyres |
Subject: | Re: Possible problem with LT 2.2 |
Date: | Sat, 15 Mar 2008 08:10:57 -0400 |
Some details if you care...We already have to have two build targets for "DSO mode" and "included" mode which involves some repetition in the Makefile.am. Here's the important parts from the SCTP BTL Makefile.am, for example:
----- sources = ....all the .c and .h files for the plugin.... if OMPI_BUILD_btl_sctp_DSO lib = lib_sources = component = mca_btl_sctp.la component_sources = $(sources) else lib = libmca_btl_sctp.la lib_sources = $(sources) component = component_sources = endif mcacomponentdir = $(pkglibdir) mcacomponent_LTLIBRARIES = $(component) mca_btl_sctp_la_SOURCES = $(component_sources) mca_btl_sctp_la_LDFLAGS = -module -avoid-version $(btl_sctp_LDFLAGS) mca_btl_sctp_la_LIBADD = $(btl_sctp_LIBS) noinst_LTLIBRARIES = $(lib) libmca_btl_sctp_la_SOURCES = $(lib_sources) libmca_btl_sctp_la_LDFLAGS = -module -avoid-version $(btl_sctp_LDFLAGS) libmca_btl_sctp_la_LIBADD = $(btl_sctp_LIBS) -----It would be great to be able to have shorter / less repetitive syntax for all of this (i.e, having to essentially duplicate the code led to the error in this thread), but:
- I'm assuming that what we're doing (compiling as DSO/convenience library) is probably not very common - I realize that this is the LT list, not the AM list. I'm just trying to justify my previous comments. :-)
On Mar 14, 2008, at 10:28 PM, Ralf Wildenhues wrote:
Hello Bob, * Bob Friesenhahn wrote on Sat, Mar 15, 2008 at 02:55:37AM CET:IMHO it is wrong for convenience libraries to have dependencies.Sorry, but that comment just throws out half a decade of common practiceout the window. IMNSHO, that's a no go.This issue can be resolved by specifying linkage dependencies at a higher level.But that's just inconvenient. The opposite of what convenience libraries are supposed to be, and have been, so far. I will look at the actual error, later. Cheers, Ralf
-- Jeff Squyres Cisco Systems
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