[Open Babel] Installation error due to zlib

[Roy <amb...@gm...>]

I am trying to do a NON-root installation on RHEL Server release 5.4. The
first step (cmake)  works (fine i.e.

-- The C compiler identification is GNU 4.1.2
-- The CXX compiler identification is GNU 4.1.2
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Using included inchi library.
-- Could NOT find LibXml2 (missing:  LIBXML2_LIBRARIES LIBXML2_INCLUDE_DIR)
(found version "2.6.26")
CMake Warning at CMakeLists.txt:152 (message):
  libxml2 not found - disabling CML support!


-- Found ZLIB: /usr/lib64/libz.so (found version "1.2.3") 
-- Could NOT find wxWidgets (missing:  wxWidgets_FOUND) 
-- Looking for conio.h
-- Looking for conio.h - not found
-- Looking for sys/time.h
-- Looking for sys/time.h - found
-- Looking for time.h
-- Looking for time.h - found
-- Looking for strings.h
-- Looking for strings.h - found
-- Looking for rpc/xdr.h
-- Looking for rpc/xdr.h - found
-- Looking for regex.h
-- Looking for regex.h - found
-- Looking for C++ include sstream
-- Looking for C++ include sstream - found
-- Looking for rint
-- Looking for rint - not found
-- Looking for snprintf
-- Looking for snprintf - found
-- Looking for sranddev
-- Looking for sranddev - not found
-- Looking for strcasecmp
-- Looking for strcasecmp - found
-- Looking for strncasecmp
-- Looking for strncasecmp - found
-- Looking for dlopen in dl
-- Looking for dlopen in dl - found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stddef.h
-- Looking for stddef.h - found
-- Check size of clock_t
-- Check size of clock_t - done
-- Performing Test SCANDIR_NEEDS_CONST
-- Performing Test SCANDIR_NEEDS_CONST - Failed
-- Performing Test HAVE_GCC_VISIBILITY
-- Performing Test HAVE_GCC_VISIBILITY - Success
-- Found Eigen3: /home/XXX/bin/eigen3 (Required is at least version
"2.91.0") 
-- Found PkgConfig: /usr/bin/pkg-config (found version "0.21") 
-- checking for module 'cairo'
--   found cairo, version 1.2.4
-- Could NOT find Cairo (missing:  CAIRO_LIBRARIES CAIRO_INCLUDE_DIRS) 
-- Could NOT find Cairo. PNG output will NOT be supported.
-- Looking for getopt
-- Looking for getopt - found
-- Attempting to build the GUI
--    wxWidgets not found => GUI will not be built
-- Found PythonInterp: /usr/bin/python (found version "2.4.3") 
-- Configuring done
-- Generating done
CMake Warning:
  Manually-specified variables were not used by the project:

    EIGEN2_INCLUDE_DIR


-- Build files have been written to: /home/XXX/bin/openbabel/obbuild

However the second step i.e. make throws error at
[ 21%] Building CXX object src/CMakeFiles/openbabel.dir/stereo/facade.o
make[2]: *** No rule to make target `/usr/lib64/libz.so', needed by
`lib/libopenbabel.so.4.0.2'.  Stop.
make[1]: *** [src/CMakeFiles/openbabel.dir/all] Error 2
make: *** [all] Error 2
I checked for libz.so and a soft link is present
lrwxrwxrwx 1 root root 19 Sep 27 11:57 /usr/lib64/libz.so ->
../../lib64/libz.so

I did install a local copy of libz and specified during cmake 
-DZLIB_INCLUDE_DIR=/home/XXX/bin/zlib-1.2.7/ and 
-DZLIB_LIBRARY=/home/XXX/bin/zlib-1.2.7/ 

But it gave warning as "Targets may link only to libraries.  CMake is
dropping the item." and then again during make it throw-ed an error.


Thanks. 





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