Hi,<br><br>I tried adding the line you mentioned (LIBS=/cygdrive/c/dev/PFlotran/HDF5/lib/libzlib.lib), but I still get the same error:<br>> Compression library [libz.a or equivalent] not found<br><br>Perhaps the placement of the arguement is important? -><br>
<br>$PETSC_DIR/config/configure.py --with-cc='win32fe cl' --with-fc='win32fe ifort' --with-cxx='win32fe cl' --with-clanguage=c \<br>LIBS=/cygdrive/c/dev/PFlotran/HDF5/lib/libzlib.lib \<br>--with-mpi-dir=/cygdrive/C/Progra~2/MPICH2 --with-blas-lapack-dir=/cygdrive/c/Progra~2/Intel/Compos~1/mkl/lib/ia32 \<br>
--CFLAGS=-D_CRT_SECURE_NO_DEPRECATE --ignore-cygwin-link --with-valgrind=0 --with-c2html=0 --download-sowing=1 \<br>--with-hdf5=1 --with-hdf5-include=\[/cygdrive/c/dev/PFlotran/HDF5/include,\<br>/cygdrive/c/dev/PFlotran/HDF5/include/fortran\] \<br>
--with-hdf5-lib=\[/cygdrive/c/dev/PFlotran/HDF5/lib/hdf5.lib,\<br>/cygdrive/c/dev/PFlotran/HDF5/lib/hdf5_fortran.lib,\<br>/cygdrive/c/dev/PFlotran/HDF5/lib/libzlib.lib,\<br>/cygdrive/c/dev/PFlotran/HDF5/lib/libszip.lib\] \<br>
--with-debugging=0 --with-petsc-arch=cygwin_hdf189_rel_24559<br><br><br>Luis<br>