101 lines
4.7 KiB
CMake
101 lines
4.7 KiB
CMake
option(GTSAM_USE_SYSTEM_NUMPY_C_API "Find and use system-installed NumPy C-API. If 'off', use the one bundled with GTSAM" OFF)
|
|
|
|
# Guard to avoid breaking this code in ccmake if by accident GTSAM_PYTHON_VERSION is set to an empty string
|
|
if(GTSAM_PYTHON_VERSION STREQUAL "")
|
|
set(GTSAM_PYTHON_VERSION "Default" CACHE STRING "Target python version for GTSAM python module. Use 'Default' to chose the default version" FORCE)
|
|
endif()
|
|
|
|
# The code below allows to clear the PythonLibs cache if we change GTSAM_PYTHON_VERSION
|
|
# Inspired from the solution found here: http://blog.bethcodes.com/cmake-tips-tricks-drop-down-list
|
|
if(NOT DEFINED GTSAM_LAST_PYTHON_VERSION)
|
|
set(GTSAM_LAST_PYTHON_VERSION ${GTSAM_PYTHON_VERSION} CACHE STRING "Python version used in the last build")
|
|
mark_as_advanced(FORCE GTSAM_LAST_PYTHON_VERSION)
|
|
endif()
|
|
if(NOT (${GTSAM_PYTHON_VERSION} MATCHES ${GTSAM_LAST_PYTHON_VERSION}))
|
|
unset(PYTHON_INCLUDE_DIR CACHE)
|
|
unset(PYTHON_INCLUDE_DIR2 CACHE)
|
|
unset(PYTHON_LIBRARY CACHE)
|
|
unset(PYTHON_LIBRARY_DEBUG CACHE)
|
|
set(GTSAM_LAST_PYTHON_VERSION ${GTSAM_PYTHON_VERSION} CACHE STRING "Updating python version used in the last build" FORCE)
|
|
endif()
|
|
|
|
# Compose strings used to specify the boost python version. They will be empty if we want to use the defaut
|
|
if(NOT GTSAM_PYTHON_VERSION STREQUAL "Default")
|
|
string(REPLACE "." "" BOOST_PYTHON_VERSION_SUFFIX ${GTSAM_PYTHON_VERSION}) # Remove '.' from version
|
|
string(SUBSTRING ${BOOST_PYTHON_VERSION_SUFFIX} 0 2 BOOST_PYTHON_VERSION_SUFFIX) # Trim version number to 2 digits
|
|
set(BOOST_PYTHON_VERSION_SUFFIX "-py${BOOST_PYTHON_VERSION_SUFFIX}") # Append '-py' prefix
|
|
string(TOUPPER ${BOOST_PYTHON_VERSION_SUFFIX} BOOST_PYTHON_VERSION_SUFFIX_UPPERCASE) # Get uppercase string
|
|
else()
|
|
set(BOOST_PYTHON_VERSION_SUFFIX "")
|
|
set(BOOST_PYTHON_VERSION_SUFFIX_UPPERCASE "")
|
|
endif()
|
|
|
|
# Find NumPy C-API
|
|
if(GTSAM_USE_SYSTEM_NUMPY_C_API)
|
|
find_package(NumPy)
|
|
include_directories(${NUMPY_INCLUDE_DIRS})
|
|
else()
|
|
include_directories(${CMAKE_SOURCE_DIR}/gtsam/3rdparty/numpy_c_api/include/)
|
|
endif()
|
|
|
|
# Find Python
|
|
# First, be sure that python version can be found by FindPythonLibs.cmake
|
|
# See: http://stackoverflow.com/a/15660652/2220173
|
|
set(Python_ADDITIONAL_VERSIONS ${GTSAM_PYTHON_VERSION})
|
|
# Then look for the the lib. If no version is specified when looking for PythonLibs it searches the default version.
|
|
# See: https://cmake.org/cmake/help/v3.1/module/FindPythonInterp.html
|
|
if(GTSAM_PYTHON_VERSION STREQUAL "Default")
|
|
find_package(PythonLibs)
|
|
else()
|
|
find_package(PythonLibs ${GTSAM_PYTHON_VERSION})
|
|
endif()
|
|
|
|
# Find Boost Python
|
|
find_package(Boost COMPONENTS python${BOOST_PYTHON_VERSION_SUFFIX})
|
|
|
|
# Build python module library and setup the module inside build
|
|
if(Boost_PYTHON${BOOST_PYTHON_VERSION_SUFFIX_UPPERCASE}_FOUND AND PYTHONLIBS_FOUND)
|
|
include_directories(${PYTHON_INCLUDE_DIRS})
|
|
include_directories(${Boost_INCLUDE_DIRS})
|
|
include_directories(${CMAKE_SOURCE_DIR}/gtsam/3rdparty/numpy_eigen/include/)
|
|
|
|
# Build the python module library
|
|
add_subdirectory(handwritten)
|
|
|
|
# Copy all .py files that changes since last build
|
|
file(GLOB_RECURSE GTSAM_PY_SRCS RELATIVE ${CMAKE_CURRENT_SOURCE_DIR} "*.py")
|
|
foreach(PY_SRC ${GTSAM_PY_SRCS})
|
|
string(REPLACE "/" "_" PY_SRC_TARGET_SUFFIX ${PY_SRC}) # Replace "/" with "_"
|
|
add_custom_command(
|
|
OUTPUT ${PY_SRC}
|
|
DEPENDS ${PY_SRC}
|
|
COMMAND ${CMAKE_COMMAND} -E copy_if_different ${CMAKE_CURRENT_SOURCE_DIR}/${PY_SRC} ${CMAKE_CURRENT_BINARY_DIR}/${PY_SRC}
|
|
COMMENT "Copying python/${PY_SRC}"
|
|
)
|
|
add_custom_target(copy_${PY_SRC_TARGET_SUFFIX} DEPENDS ${PY_SRC})
|
|
# Add dependency so the copy is made BEFORE building the python module
|
|
add_dependencies(gtsam_python copy_${PY_SRC_TARGET_SUFFIX})
|
|
endforeach()
|
|
|
|
# Disable python module if we didn't find required lybraries
|
|
else()
|
|
set(GTSAM_BUILD_PYTHON OFF CACHE BOOL "Build Python wrapper statically (increases build time)" FORCE)
|
|
endif()
|
|
|
|
# Print warnings (useful for ccmake)
|
|
if(NOT PYTHONLIBS_FOUND)
|
|
if(GTSAM_PYTHON_VERSION STREQUAL "Default")
|
|
message(WARNING "Default PythonLibs was not found -- Python module cannot be built. Option GTSAM_BUILD_PYTHON disabled.")
|
|
else()
|
|
message(WARNING "PythonLibs version ${GTSAM_PYTHON_VERSION} was not found -- Python module cannot be built. Option GTSAM_BUILD_PYTHON disabled.")
|
|
endif()
|
|
endif()
|
|
|
|
if(NOT Boost_PYTHON${BOOST_PYTHON_VERSION_SUFFIX_UPPERCASE}_FOUND)
|
|
if(GTSAM_PYTHON_VERSION STREQUAL "Default")
|
|
message(WARNING "Default Boost python was not found -- Python module cannot be built. Option GTSAM_BUILD_PYTHON disabled.")
|
|
else()
|
|
message(WARNING "Boost Python for python ${GTSAM_PYTHON_VERSION} was not found -- Python module cannot be built. Option GTSAM_BUILD_PYTHON disabled.")
|
|
endif()
|
|
endif()
|