mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Alessandro Di Federico
0a0b546bdc
Checking Python dependencies has significantly slown down CMake configuration phase. We were using `pip show` for each dependency, we now do everything in a single invocation `pip list`.
30 lines
827 B
CMake
30 lines
827 B
CMake
#
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# This file is distributed under the MIT License. See LICENSE.md for details.
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#
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# Check that required python dependencies are available
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file(STRINGS "requirements.txt"
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REQUIREMENTS
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REGEX "^[^#].+$"
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)
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execute_process(
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COMMAND pip3 list
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RESULT_VARIABLE RETURNCODE
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OUTPUT_VARIABLE PYTHON_PACKAGES
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ERROR_FILE "/dev/null"
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)
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foreach(REQUIREMENT ${REQUIREMENTS})
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string(REGEX MATCH "\n${REQUIREMENT} " RESULT "\n${PYTHON_PACKAGES}")
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if("${RESULT}" STREQUAL "")
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message(FATAL_ERROR "Python requirement missing: ${REQUIREMENT}")
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endif()
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endforeach()
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# Check pyparsing version
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string(REGEX MATCH "\npyparsing .*2\.4\.7.*\n" RESULT "\n${PYTHON_PACKAGES}\n")
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if("${RESULT}" STREQUAL "")
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message(FATAL_ERROR "pyparsing version 2.4.7 required. 3.x versions are known to cause build issues")
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endif()
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