Tim Prince wrote:
> Paul Van Allsburg wrote:
>
>>Still no success. I tried the export of PATH and the flags, I still get
>>the same undefined reference to `__gthrw_pthread_once(int*, void (*)())'.
>>-paul
>>
>>
>>Robert LeBlanc wrote:
>>
>>
>>>I think you may need to export the bin dirs to your path and possibly add
>>>the libs to /etc/ldconfig.cfg. Not sure, this is what I have in my
>>>documentation from the last time I compiled it.
>>>
>>>export CC=icc
>>>export CXX=icpc
>>>export FC=ifort
>>>export PATH=/opt/intel_cc_80/bin:/opt/intel_fc_80/bin:$PATH
>>>export CFLAGS='-O3 -tpp7 -cpu=pentium4 -xN'
>>>export CXXFLAGS='-O3 -tpp7 -cpu=pentium4 -xN'
>>>export FFLAGS='-O3 -tpp7 -cpu=pentium4 -xN'
>>>
>>>run in the base of the tar ball:
>>>
>>>./configure -prefix=/usr/local/lam/intel_80
>>>make
>>>make install (as root)
>>>
>>>Robert LeBlanc
>>>BioAg Computer Support
>>>Brigham Young University
>>>
>>>
>>>
>>>
>>>>-----Original Message-----
>>>>From: lam-bounces_at_[hidden] [mailto:lam-bounces_at_[hidden]] On Behalf
>>>>Of Paul Van Allsburg
>>>>Sent: Tuesday, March 21, 2006 9:55 AM
>>>>To: lam_at_[hidden]
>>>>Subject: LAM: Build LAM 7.1.2 with Intel mpicc.cc undef ref
>>>>
>>>>I have Intel C & Fortran v9 compilers & Cluster toolkit,
>>>>running on fedora core 4, my build fails at "Making all in wrappers"
>>>>
>>>>export CC=/opt/intel/cc/9.0/bin/icc
>>>>export CXX=/opt/intel/cc/9.0/bin/icpc
>>>>export FC=/opt/intel/fc/9.0/bin/ifort
>>>>./configure --prefix=/usr/local/lam/lam-7.1.2_intel --without-exflags
>>>>--with-boot-tm=/var/spool/PBS
>>>>make all
>>>>
>>>>-error generated at:
>>>>
>>>>/opt/intel/cc/9.0/bin/icpc -O3 -pthread -o mpicc mpicc.o wrap_cc.o
>>>>wrap_engine_cc.o ../../share/liblam/.libs/liblam.a -ldl -lutil
>>>>mpicc.o(.text+0xca7): In function `main':
>>>>mpicc.cc: undefined reference to `__gthrw_pthread_once(int*, void (*)())'
>>>>mpicc.o(.gnu.linkonce.t._ZNSt6vectorISsSaISsEE9push_backERKSs[.gnu.linkonc
>>>>e.t._ZNSt6vectorISsSaISsEE9push_backERKSs]+0x88f):
>>>>In function `std::vector<std::string, std::allocator<std::string>
>>>>
>>>>>::push_back(std::string const&)':
>>>>
>>>>mpicc.cc: undefined reference to `__gthrw_pthread_once(int*, void (*)())'
>>>>
>
> In case it isn't evident, I'll point out that you may have some kind of
> libstdc++ related incompatibility between icpc and your g++, which looks
> like a newer version than those which are fully compatible with icpc.
> You might try configuring lam with gcc, g++, and ifort, to see if your
> luck changes.
> As others mentioned, any -lpthread requirements should be taken care of
> automatically.
> I'm not expert on the pros and cons of the exports you quote, vs the
> specification of compilers in the ./configure command, where it defaults
> to the gcc and g++ on your path, so you need specify only
> --with-fc=ifort, if you have run the ifortvars.sh script to set the
> ifort environment variables.
> You do need to set CFLAGS in accordance with your intended usage,
> including CFLAGS=-fpic if you want any .so libraries to work. Maybe you
> don't care about that; I don't entirely follow what you are trying to
> do. If you are trying to make shared libraries, options such as
> --without-romio --enable-shared come into play.
>
Thanks Tim, it's not evident - I need a good manual on what's going on
here. My goal is to get an installation of LAM using the Intel
compilers and another with the gnu compilers. I want to benchmark
differences between them. I am running the Intel ifortvars, iccvars,
ictvars scripts.
-paul
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