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Csaba Raduly wrote:
On Tue, Jul 26, 2016 at 2:45 AM, LMH wrote:Hello, I am trying to compute the convex hull of a high dimensional space (46D x 2000 rows). The qhull app available in cygwin/math is based on relatively old code and runs out of memory. I found another version the is supposed to be able to do higher dimensions. https://bitbucket.org/tomilov/quickhull/src This version is set up to build with cmake, so I installed cmake in cygwin and ran it as, cmake ./src Note, I had to copy CMakeLists.txt into the src directory to get this to work. If I don't do that, I get the error,That usually won't work. Instead of copying CMakeLists.txt to the src directory, you should specify the directory where CMakeLists.txt is located when invoking CMake. Steps for building in a separate build directory: mkdir _build cd _build cmake .. Csaba
I looked for the syntax for this when I first started. I assumed the the author put the CMakeLists.txt file in the right place. I almost never have my make file in the src directory when using gnu make, so this looked the same to me. I didn't find any doc about how to have the CMakeLists.txt and the src in different directories.
The structure of the downloaded archive looked like, /tomilov-quickhull-7faf277d6cc2 /include/quickhull.hpp /src/quickhull.cpp /src/randombox.cpp /src/simple_use.cpp /test/...test files .gitignore CMakeLists.txt README.md I did, cd ./tomilov-quickhull-7faf277d6cc2 cmake ./src this is when I got the error message about no CMakeLists.txt file in /src. What is the syntax for running cmake in /tomilov-quickhull-7faf277d6cc2 with the CMakeLists.txt file at /tomilov-quickhull-7faf277d6cc2/CMakeLists.txt and the src files in /tomilov-quickhull-7faf277d6cc2/src ?Is this something you do with the --build flag? It looks like you can use that to specify where the project will be built but I don't see anything there about the location of the src files.
Thanks, LMH -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
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