Thanks Paulo. Deleting CMakeCache.txt seems to have fixed the problem.
I then hit a problem being unable to build against boost 1.71 but when I
switched back to 1.67 it was OK.
Seems to be building fine now.
Tim

On Thu, May 28, 2020 at 5:09 PM Paolo Tosco <paolo.tosco.m...@gmail.com>
wrote:

> Hi Tim,
>
> could you please run a pwd in your build directory? Also, could you try
> deleting CMakeCache.txt and re-running cmake?
>
> With "subdirectory" I was asking whether your build directory was a
> subdirectory of the RDKit root dir or a subdirectory of gmwrapper,
> because I get that error if I try to run your command from
> rdkit/Code/JavaWrappers/gmwrapper/build rather than from rdkit/build, as
> in that case the main CMakeLists.txt file is not sourced.
>
> Cheers,
> p.
> On 28/05/2020 17:01, Tim Dudgeon wrote:
>
> well, I am running it from a subdirectory - the build subdirectory which
> is where it has always been run from.
> e.g.
>
> mkdir build
> cd build
> cmake -DPYTHON_EXECUTABLE=/usr/bin/python3  -DRDK_BUILD_INCHI_SUPPORT=ON
>  -DRDK_BUILD_AVALON_SUPPORT=ON  -DRDK_BUILD_PYTHON_WRAPPERS=ON
>  -DRDK_BUILD_SWIG_WRAPPERS=ON ..
>
>
>
> Tim
>
> On Thu, May 28, 2020 at 4:46 PM Paolo Tosco <paolo.tosco.m...@gmail.com>
> wrote:
>
>> Hi Tim,
>>
>> downloadAndCheckMD5 is a function defined in
>> Code/cmake/Modules/RDKitUtils.cmake, which is included by the main
>> CMakeLists.txt file and then is available to all children CMakeLists.txt
>> files.
>>
>> From the line number where the error occurs
>>
>> $ grep -n downloadAndCheckMD5 `find . -name CMakeLists.txt`
>> ./Code/JavaWrappers/gmwrapper/CMakeLists.txt:21:
>> downloadAndCheckMD5(${JUNIT_URL} "${RDKit_JavaLibDir}/junit.jar"
>> ${JUNIT_MD5SUM})
>> it looks like you might be running cmake in a subdirectory rather than
>> in the RDKit root directory.
>>
>> HTH, cheers
>> p.
>>
>> On 28/05/2020 16:28, Tim Dudgeon wrote:
>>
>> I'm not able to build form source (master branch) from a new machine I've
>> recently set up (Ubuntu 20.04).
>>
>> $ cmake  -DPYTHON_EXECUTABLE=/usr/bin/python3
>>  -DRDK_BUILD_INCHI_SUPPORT=ON  -DRDK_BUILD_AVALON_SUPPORT=ON
>>  -DRDK_BUILD_PYTHON_WRAPPERS=ON  -DRDK_BUILD_SWIG_WRAPPERS=ON  ..
>> CMake Error at CMakeLists.txt:21 (downloadAndCheckMD5):
>>   Unknown CMake command "downloadAndCheckMD5".
>>
>>
>> -- Configuring incomplete, errors occurred!
>> See also
>> "/home/timbo/github/rdkit/rdkit_2020_03/CMakeFiles/CMakeOutput.log".
>>
>> $ cmake --version
>> cmake version 3.16.3
>>
>> Has anything changed with cmake recently?
>>
>> Tim
>>
>>
>> _______________________________________________
>> Rdkit-discuss mailing 
>> listRdkit-discuss@lists.sourceforge.nethttps://lists.sourceforge.net/lists/listinfo/rdkit-discuss
>>
>>
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