[mpich-discuss] Problem compiling Mpich2 with -fPIC

[Matthieu Dorier]

Hello, 


I'm having a problem trying to compile an application that requires the shared version of mpich2, the compiler was printing the following: 
./libmpich.a(setbotf.o): relocation R_X86_64_32 against `mpifcmb2_' can not be used when making a shared object; recompile with -fPIC 
among other errors that look the same. 


By googling a bit, I found that I should recompile mpich2 with --enable-shared, however when I do, I get the same error than in my application, this time during the building phase of mpich! This error does not abort the compilation process but seems to not produce everything. 


I attach the log of the "make" command. 
The configure command was the following: 


./configure --prefix=/usr --enable-fc --enable-romio --with-pvfs2=/usr --enable-shared 


I tried everything : putting CFLAGS="-fPIC", or CC="gcc -fPIC", etc. it doesn't solve the problem. 
I'm working on Debian squeeze with gcc 4.4.5. 
I saw that someone else on this mailing list had a similar problem ( http://lists.mcs.anl.gov/pipermail/mpich-discuss/2011-January/008727.html) but it didn't help. 


Thanks, 


Matthieu Dorier 
PhD student at ENS Cachan Brittany and IRISA 
http://people.irisa.fr/Matthieu.Dorier 
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