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Use cmake to identify best Python version if Default requested

release/4.3a0
Varun Agrawal 2020-09-17 21:26:11 -04:00
parent 0043120a8a
commit 859c157a0f
3 changed files with 28 additions and 23 deletions
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17
CMakeLists.txt
View File

@ -14,6 +14,11 @@ set (GTSAM_VERSION_PATCH 0)
math (EXPR GTSAM_VERSION_NUMERIC "10000 * ${GTSAM_VERSION_MAJOR} + 100 * ${GTSAM_VERSION_MINOR} + ${GTSAM_VERSION_PATCH}")
set (GTSAM_VERSION_STRING "${GTSAM_VERSION_MAJOR}.${GTSAM_VERSION_MINOR}.${GTSAM_VERSION_PATCH}")
set (CMAKE_PROJECT_VERSION ${GTSAM_VERSION_STRING})
set (CMAKE_PROJECT_VERSION_MAJOR ${GTSAM_VERSION_MAJOR})
set (CMAKE_PROJECT_VERSION_MINOR ${GTSAM_VERSION_MINOR})
set (CMAKE_PROJECT_VERSION_PATCH ${GTSAM_VERSION_PATCH})
###############################################################################
# Gather information, perform checks, set defaults
@ -113,6 +118,18 @@ if(GTSAM_INSTALL_MATLAB_TOOLBOX AND NOT BUILD_SHARED_LIBS)
endif()
if(GTSAM_BUILD_PYTHON)
# Get info about the Python3 interpreter
# https://cmake.org/cmake/help/latest/module/FindPython3.html#module:FindPython3
find_package(Python3 COMPONENTS Interpreter Development)
if(NOT ${Python3_FOUND})
message(FATAL_ERROR "Cannot find Python3 interpreter. Please install Python >= 3.6.")
endif()
if(${GTSAM_PYTHON_VERSION} STREQUAL "Default")
set(GTSAM_PYTHON_VERSION "${Python3_VERSION_MAJOR}.${Python3_VERSION_MINOR}" CACHE STRING "The version of Python to build the wrappers against." FORCE)
endif()
if(GTSAM_UNSTABLE_BUILD_PYTHON)
if (NOT GTSAM_BUILD_UNSTABLE)
message(WARNING "GTSAM_UNSTABLE_BUILD_PYTHON requires the unstable module to be enabled.")

12
cmake/FindNumPy.cmake
View File

@ -40,17 +40,9 @@
# Finding NumPy involves calling the Python interpreter
if(NumPy_FIND_REQUIRED)
if(GTSAM_PYTHON_VERSION STREQUAL "Default")
find_package(PythonInterp REQUIRED)
else()
find_package(PythonInterp ${GTSAM_PYTHON_VERSION} EXACT REQUIRED)
endif()
find_package(PythonInterp ${GTSAM_PYTHON_VERSION} EXACT REQUIRED)
else()
if(GTSAM_PYTHON_VERSION STREQUAL "Default")
find_package(PythonInterp)
else()
find_package(PythonInterp ${GTSAM_PYTHON_VERSION} EXACT)
endif()
find_package(PythonInterp ${GTSAM_PYTHON_VERSION} EXACT)
endif()
if(NOT PYTHONINTERP_FOUND)

22
cmake/GtsamMatlabWrap.cmake
View File

@ -215,19 +215,15 @@ function(wrap_library_internal interfaceHeader linkLibraries extraIncludeDirs ex
# Set up generation of module source file
file(MAKE_DIRECTORY "${generated_files_path}")
if(GTSAM_PYTHON_VERSION STREQUAL "Default")
find_package(PythonInterp REQUIRED)
find_package(PythonLibs REQUIRED)
else()
find_package(PythonInterp
${GTSAM_PYTHON_VERSION}
EXACT
REQUIRED)
find_package(PythonLibs
${GTSAM_PYTHON_VERSION}
EXACT
REQUIRED)
endif()
find_package(PythonInterp
${GTSAM_PYTHON_VERSION}
EXACT
REQUIRED)
find_package(PythonLibs
${GTSAM_PYTHON_VERSION}
EXACT
REQUIRED)
set(_ignore gtsam::Point2
gtsam::Point3)