Checking if your kit is complete... Looks good Writing Makefile for Chemistry::OpenBabel cp OpenBabel.pm blib/lib/Chemistry/OpenBabel.pm g++ -c -I../../include -DUSE_REENTRANT_API -D_GNU_SOURCE -D_REENTRANT -fno-strict-aliasing -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O2 -DVERSION=\"1.2.0\" -DXS_VERSION=\"1.2.0\" -fpic -I/home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE openbabel_perl.cpp In file included from /usr/lib/gcc-lib/i386-linux/2.95.2/../../../../include/g++-3/stl_alloc.h:56, from /usr/lib/gcc-lib/i386-linux/2.95.2/../../../../include/g++-3/alloc.h:21, from /usr/lib/gcc-lib/i386-linux/2.95.2/../../../../include/g++-3/std/bastring.h:39, from /usr/lib/gcc-lib/i386-linux/2.95.2/../../../../include/g++-3/string:6, from /usr/lib/gcc-lib/i386-linux/2.95.2/../../../../include/g++-3/stdexcept:36, from openbabel_perl.cpp:1583: /usr/include/assert.h:79: warning: `assert' redefined /home/cpanrun/build/5.6.1/lib/5.6.1/i686-linux-thread-multi/CORE/perl.h:2191: warning: this is the location of the previous definition openbabel_perl.cpp:1606: openbabel/obutil.h: No such file or directory openbabel_perl.cpp:1607: openbabel/rand.h: No such file or directory openbabel_perl.cpp:1608: openbabel/math/vector3.h: No such file or directory openbabel_perl.cpp:1609: openbabel/math/matrix3x3.h: No such file or directory openbabel_perl.cpp:1610: openbabel/generic.h: No such file or directory openbabel_perl.cpp:1612: openbabel/base.h: No such file or directory openbabel_perl.cpp:1613: openbabel/mol.h: No such file or directory openbabel_perl.cpp:1614: openbabel/atom.h: No such file or directory openbabel_perl.cpp:1615: openbabel/bond.h: No such file or directory openbabel_perl.cpp:1616: openbabel/residue.h: No such file or directory openbabel_perl.cpp:1617: openbabel/internalcoord.h: No such file or directory openbabel_perl.cpp:1619: openbabel/ring.h: No such file or directory openbabel_perl.cpp:1620: openbabel/obconversion.h: No such file or directory openbabel_perl.cpp:1621: openbabel/oberror.h: No such file or directory openbabel_perl.cpp:1622: openbabel/pluginiter.h: No such file or directory openbabel_perl.cpp:1623: openbabel/fingerprint.h: No such file or directory openbabel_perl.cpp:1625: openbabel/forcefield.h: No such file or directory openbabel_perl.cpp:1627: openbabel/data.h: No such file or directory openbabel_perl.cpp:1628: openbabel/parsmart.h: No such file or directory make: *** [openbabel_perl.o] Error 1