perl Makefile.PL CC=mpicc CCFLAGS="-lopenmpi -m64 -L/usr/local/lib/openmpi -L/usr/local/lib/" LIB=/usr/local/lib

[vlad@bd01 Parallel-MPI-Simple-0.03]$ make
mpicc -c   -lopenmpi -m64 -L/usr/local/lib/openmpi -L/usr/local/lib/ -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic   -DVERSION=\"0.03\" -DXS_VERSION=\"0.03\" -fPIC "-I/usr/lib64/perl5/5.10.0/x86_64-linux-thread-multi/CORE"   Simple.c
Simple.xs: In function ‘_Gather’:
Simple.xs:131: warning: null argument where non-null required (argument 3)
Simple.xs:124: warning: unused variable ‘rank’
Simple.xs: In function ‘_Comm_split’:
Simple.xs:204: warning: unused variable ‘realcolour’
Simple.c: In function ‘Finalize’:
Simple.xs:111: warning: control reaches end of non-void function
Simple.c: In function ‘Barrier’:
Simple.xs:106: warning: control reaches end of non-void function
Simple.c: In function ‘Init’:
Simple.xs:82: warning: control reaches end of non-void function
Simple.c: In function ‘_Gather’:
Simple.xs:160: warning: ‘buf_lens’ may be used uninitialized in this function
Running Mkbootstrap for Parallel::MPI::Simple ()
chmod 644 Simple.bs
rm -f blib/arch/auto/Parallel/MPI/Simple/Simple.so
gcc  -shared -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic Simple.o  -o blib/arch/auto/Parallel/MPI/Simple/Simple.so 	\
	     	\
	  
chmod 755 blib/arch/auto/Parallel/MPI/Simple/Simple.so
cp Simple.bs blib/arch/auto/Parallel/MPI/Simple/Simple.bs
chmod 644 blib/arch/auto/Parallel/MPI/Simple/Simple.bs
Manifying blib/man3/Parallel::MPI::Simple.3pm