On Wed, 22 Jul 2020, Andreas Tille wrote:


I intend to package pyarrow[1] as a precondition for some Debian
Med package.  Unfortunately I get:

-- Build output directory: 
CMake Error at 
/usr/share/cmake-3.16/Modules/FindPackageHandleStandardArgs.cmake:146 (message):
 Could NOT find Python3 (missing: Python3_LIBRARIES Python3_INCLUDE_DIRS
 Development NumPy) (found version "3.8.5")
Call Stack (most recent call first):
 /usr/share/cmake-3.16/Modules/FindPython3.cmake:300 (include)
 cmake_modules/FindPython3Alt.cmake:46 (find_package)
 CMakeLists.txt:196 (find_package)

-- Configuring incomplete, errors occurred!
See also 
error: command 'cmake' failed with exit status 1

Any idea why these variables are not sensibly set automatically and what
I can do to provide these?

Try adding python3-all-dev to Build-Depends.


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