On Wed, 2 Jan 2013, Vikram Garg wrote:
People, I just switched to the git version of libMesh. When I copied
over the new example for the time dependent adjoints stuff from the svn
version (was careful to only get the .C and .h files and no svn remnants), I
found that my code compiles but I got the following linking error:
Linking heat-opt...
adjoint_initial.x86_64-unknown-linux-gnu.opt.lo: file not recognized: File
format not recognized
I can replicate this too.
The problem appears to be that our $(obj-suffix) has been changed from
".o" to ".lo", and so our app Makefile template ends up hitting the
libtool-based pattern to compile objects, but then when our Makefiles
try to link them using plain $(libmesh_CXX) they find that g++/icpc
know nothing about libtool. In the long run I'll want to switch all
my own apps to automake/libtool anyway, but we should probably be more
careful about preserving backwards compatibility for those who don't.
---
Roy
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