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Support python3 only systems by using cmake's FindPythonInterp

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Ubuntu 20.04 comes with no Python 2 and no link from python to python3.
To not mess with the system we just use cmake's detection for seamless
python3 support.
This commit is contained in:
Matthias Grob 2020-03-28 16:57:43 +01:00 committed by Nuno Marques
parent d7b1c14650
commit 52e7ce0990
1 changed files with 4 additions and 4 deletions
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8
libuavcan/CMakeLists.txt
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@ -21,7 +21,7 @@ endif ()
project(libuavcan)
find_program(PYTHON python)
find_package(PythonInterp)
if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(COMPILER_IS_GCC_COMPATIBLE 1)
@ -33,7 +33,7 @@ endif ()
# DSDL compiler invocation
# Probably output files should be saved into CMake output dir?
#
execute_process(COMMAND ${PYTHON} setup.py build WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/dsdl_compiler OUTPUT_QUIET)
execute_process(COMMAND ${PYTHON_EXECUTABLE} setup.py build WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/dsdl_compiler OUTPUT_QUIET)
set(DSDLC_INPUTS "test/dsdl_test/root_ns_a" "test/dsdl_test/root_ns_b" "${CMAKE_CURRENT_SOURCE_DIR}/../dsdl/uavcan")
set(DSDLC_OUTPUT "include/dsdlc_generated")
@ -43,7 +43,7 @@ foreach(DSDLC_INPUT ${DSDLC_INPUTS})
set(DSDLC_INPUT_FILES ${DSDLC_INPUT_FILES} ${DSDLC_NEW_INPUT_FILES})
endforeach(DSDLC_INPUT)
add_custom_command(OUTPUT ${CMAKE_BINARY_DIR}/libuavcan_dsdlc_run.stamp
COMMAND ${PYTHON} ${CMAKE_CURRENT_SOURCE_DIR}/dsdl_compiler/libuavcan_dsdlc ${DSDLC_INPUTS} -O${DSDLC_OUTPUT}
COMMAND ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/dsdl_compiler/libuavcan_dsdlc ${DSDLC_INPUTS} -O${DSDLC_OUTPUT}
COMMAND ${CMAKE_COMMAND} -E touch ${CMAKE_BINARY_DIR}/libuavcan_dsdlc_run.stamp
DEPENDS ${DSDLC_INPUT_FILES}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
@ -76,7 +76,7 @@ add_dependencies(uavcan libuavcan_dsdlc)
install(TARGETS uavcan DESTINATION lib)
install(DIRECTORY include/uavcan DESTINATION include)
install(DIRECTORY include/dsdlc_generated/uavcan DESTINATION include) # Generated and lib's .hpp
install(CODE "execute_process(COMMAND ${PYTHON} setup.py install --record installed_files.log
install(CODE "execute_process(COMMAND ${PYTHON_EXECUTABLE} setup.py install --record installed_files.log
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/dsdl_compiler)")
#