palacios component link error

[Michael Levenhagen]

I'm trying to build the palacios component which is dependent on libv3_user_host_dev.a.

When I build the component I get the following failure:

make[3]: Entering directory `/home/mjleven/sstSVN/clean/build/sst/elements/palacios'
CXXLD libpalacios.la
/opt/sw/bin/ld: /home/mjleven/sst_palacios/march2013/linux_usr/libv3_user_host_dev.a(v3_user_host_dev.o): relocation R_X86_64_32 against `.text' can not be used when making a shared object; recompile with -fPIC
/home/mjleven/sst_palacios/march2013/linux_usr/libv3_user_host_dev.a: could not read symbols: Bad value
collect2: ld returned 1 exit status
make[3]: *** [libpalacios.la] Error 1
make[3]: Leaving directory `/home/mjleven/sstSVN/clean/build/sst/elements/palacios'
make[2]: *** [install-recursive] Error 1
make[2]: Leaving directory `/home/mjleven/sstSVN/clean/build/sst/elements'
make[1]: *** [install-recursive] Error 1
make[1]: Leaving directory `/home/mjleven/sstSVN/clean/build/sst'
make: *** [install-recursive] Error 1
[mjleven@gato build]$

What's odd, to me anyway, is that this function is referenced from configure without a problem.

configure:23050: checking for v3_user_host_dev_rendezvous in -lv3_user_host_dev
configure:23075: g++ -o conftest -g -O2 -finline-functions -I/home/mjleven/sst_palacios/march2013/linux_usr -I/home/mjleven/sst_palacios/march2013/linux_module -I$(top_builddir) -I$(top_srcdir) -L/home/mjleven/sst_palacios/march2013/linux_usr conftest.cpp -lv3_user_host_dev -ldl >&5
configure:23075: $? = 0
configure:23084: result: yes
configure:23114: checking if palacios can build


Mike

[Hammond, Simon David (-EXP)]

Are you calling the same functions in the library in both links? Configure very often does not link any functions ( just check library exists ).

S



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[Michael Levenhagen]

I was overlooking the obvious, adding -fPIC to the Palacios library makefile, because this worked in the past. It appears that -fPIC has been removed from the makefile. I put it back, problem solved.

[Hammond, Simon David (-EXP)]

Mike,

We should put in configure time checks for this really, ill put these in when I'm back from vacation next week.