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<body class='hmmessage'><div dir='ltr'>Hi, I am installing the last version of the petsc.  Previously, I have petsc-3.2-p7 and it works well.  <br><br>After install the package, I run the test by typing:<br><br>make PETSC_DIR=/home/pwang/soft/petsc-3.3-p6 PETSC_ARCH=arch-linux2-c-debug test<br><br>A lots of error information come out, the following shows the first several lines. Which package or library I missed? Thanks.<br><br>mpicc -o ex19.o -c -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -g3 -fno-inline -O0 -I/home/pwang/soft/petsc-3.3-p6/include -I/home/pwang/soft/petsc-3.3-p6/arch-linux2-c-debug/include -I/usr/include/mpich2-x86_64 -D__INSDIR__=src/snes/examples/tutorials/ ex19.c<br>mpicc -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -g3 -fno-inline -O0  -o ex19  ex19.o -L/home/pwang/soft/petsc-3.3-p6/arch-linux2-c-debug/lib  -lpetsc -lX11 -lpthread -Wl,-rpath,/home/pwang/soft/petsc-3.3-p6/arch-linux2-c-debug/lib -lflapack -lfblas -lm -L/usr/lib64/mpich2/lib -L/usr/lib/gcc/x86_64-redhat-linux/4.4.6 -lmpichf90 -lgfortran -lm -Wl,-rpath,/usr/lib64/mpich2/lib -lm -ldl -lmpich -lopa -lpthread -lrt -lgcc_s -ldl <br>/home/pwang/soft/petsc-3.3-p6/arch-linux2-c-debug/lib/libmpich.a(initthread.o): In function `PMPI_Init_thread':<br>/home/pwang/soft/petsc-3.3-p6/externalpackages/mpich2-1.4.1p1/src/mpi/init/initthread.c:535: undefined reference to `MPL_env2bool'<br>/home/pwang/soft/petsc-3.3-p6/arch-linux2-c-debug/lib/libmpich.a(param_vals.o): In function `MPIR_Param_init_params':<br>/home/pwang/soft/petsc-3.3-p6/externalpackages/mpich2-1.4.1p1/src/util/param/param_vals.c:249: undefined reference to `MPL_env2int'<br>/home/pwang/soft/petsc-3.3-p6/externalpackages/mpich2-1.4.1p1/src/util/param/param_vals.c:251: undefined reference to `MPL_env2int'<br>/home/pwang/soft/petsc-3.3-p6/externalpackages/mpich2-1.4.1p1/src/util/param/param_vals.c:254: undefined reference to `MPL_env2int'<br>/home/pwang/soft/petsc-3.3-p6/externalpackages/mpich2-1.4.1p1/src/util/param/param_vals.c:256: undefined reference to `MPL_env2int'<br>/home/pwang/soft/petsc-3.3-p6/externalpackages/mpich2-1.4.1p1/src/util/param/param_vals.c:259: undefined reference to `MPL_env2int'<br>/home/pwang/soft/petsc-3.3-p6/arch-linux2-c-debug/lib/libmpich.a(param_vals.o):/home/pwang/soft/petsc-3.3-p6/externalpackages/mpich2-1.4.1p1/src/util/param/param_vals.c:261: more undefined references to `MPL_env2int' follow<br>... <br><br><br>                                       </div></body>
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