z3-z3-4.13.0.src.api.python.CMakeLists.txt Maven / Gradle / Ivy
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message(STATUS "Emitting rules to build Z3 python bindings")
###############################################################################
# Add target to build python bindings for the build directory
###############################################################################
# This allows the python bindings to be used directly from the build directory
set(z3py_files
z3/__init__.py
z3/z3.py
z3/z3num.py
z3/z3poly.py
z3/z3printer.py
z3/z3rcf.py
z3test.py
z3/z3types.py
z3/z3util.py
)
set(z3py_bindings_build_dest "${PROJECT_BINARY_DIR}/python")
file(MAKE_DIRECTORY "${z3py_bindings_build_dest}")
file(MAKE_DIRECTORY "${z3py_bindings_build_dest}/z3")
set(build_z3_python_bindings_target_depends "")
foreach (z3py_file ${z3py_files})
add_custom_command(OUTPUT "${z3py_bindings_build_dest}/${z3py_file}"
COMMAND "${CMAKE_COMMAND}" "-E" "copy"
"${CMAKE_CURRENT_SOURCE_DIR}/${z3py_file}"
"${z3py_bindings_build_dest}/${z3py_file}"
DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${z3py_file}"
COMMENT "Copying \"${z3py_file}\" to ${z3py_bindings_build_dest}/${z3py_file}"
)
list(APPEND build_z3_python_bindings_target_depends "${z3py_bindings_build_dest}/${z3py_file}")
endforeach()
# Generate z3core.py
add_custom_command(OUTPUT "${z3py_bindings_build_dest}/z3/z3core.py"
COMMAND "${Python3_EXECUTABLE}"
"${PROJECT_SOURCE_DIR}/scripts/update_api.py"
${Z3_FULL_PATH_API_HEADER_FILES_TO_SCAN}
"--z3py-output-dir"
"${z3py_bindings_build_dest}"
DEPENDS
${Z3_FULL_PATH_API_HEADER_FILES_TO_SCAN}
"${PROJECT_SOURCE_DIR}/scripts/update_api.py"
${Z3_GENERATED_FILE_EXTRA_DEPENDENCIES}
COMMENT "Generating z3core.py"
USES_TERMINAL
)
list(APPEND build_z3_python_bindings_target_depends "${z3py_bindings_build_dest}/z3/z3core.py")
# Generate z3consts.py
add_custom_command(OUTPUT "${z3py_bindings_build_dest}/z3/z3consts.py"
COMMAND "${Python3_EXECUTABLE}"
"${PROJECT_SOURCE_DIR}/scripts/mk_consts_files.py"
${Z3_FULL_PATH_API_HEADER_FILES_TO_SCAN}
"--z3py-output-dir"
"${z3py_bindings_build_dest}"
DEPENDS
${Z3_FULL_PATH_API_HEADER_FILES_TO_SCAN}
"${PROJECT_SOURCE_DIR}/scripts/mk_consts_files.py"
${Z3_GENERATED_FILE_EXTRA_DEPENDENCIES}
COMMENT "Generating z3consts.py"
USES_TERMINAL
)
list(APPEND build_z3_python_bindings_target_depends "${z3py_bindings_build_dest}/z3/z3consts.py")
if (UNIX)
set(LINK_COMMAND "create_symlink")
else()
set(LINK_COMMAND "copy")
endif()
# Link libz3 into the python directory so bindings work out of the box
add_custom_command(OUTPUT "${z3py_bindings_build_dest}/libz3${CMAKE_SHARED_MODULE_SUFFIX}"
COMMAND "${CMAKE_COMMAND}" "-E" "${LINK_COMMAND}"
"${PROJECT_BINARY_DIR}/libz3${CMAKE_SHARED_MODULE_SUFFIX}"
"${z3py_bindings_build_dest}/libz3${CMAKE_SHARED_MODULE_SUFFIX}"
DEPENDS libz3
COMMENT "Linking libz3 into python directory"
)
# Convenient top-level target
add_custom_target(build_z3_python_bindings
ALL
DEPENDS
${build_z3_python_bindings_target_depends}
"${z3py_bindings_build_dest}/libz3${CMAKE_SHARED_MODULE_SUFFIX}"
)
###############################################################################
# Install
###############################################################################
option(Z3_INSTALL_PYTHON_BINDINGS "Install Python bindings when invoking install target" ON)
if (Z3_INSTALL_PYTHON_BINDINGS)
message(STATUS "Emitting rules to install Z3 python bindings")
# Try to guess the installation path for the bindings
if (NOT DEFINED CMAKE_INSTALL_PYTHON_PKG_DIR)
message(STATUS "CMAKE_INSTALL_PYTHON_PKG_DIR not set. Trying to guess")
execute_process(
COMMAND "${Python3_EXECUTABLE}" "-c"
"import sysconfig; print(sysconfig.get_path('purelib'))"
RESULT_VARIABLE exit_code
OUTPUT_VARIABLE CMAKE_INSTALL_PYTHON_PKG_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if (NOT ("${exit_code}" EQUAL 0))
message(FATAL_ERROR "Failed to determine your Python package directory")
endif()
message(STATUS "Detected Python package directory: \"${CMAKE_INSTALL_PYTHON_PKG_DIR}\"")
# Set a cache variable that the user can modify if needed
set(CMAKE_INSTALL_PYTHON_PKG_DIR
"${CMAKE_INSTALL_PYTHON_PKG_DIR}"
CACHE PATH
"Path to install python bindings. This can be relative or absolute.")
mark_as_advanced(CMAKE_INSTALL_PYTHON_PKG_DIR)
else()
message(STATUS "CMAKE_INSTALL_PYTHON_PKG_DIR already set (\"${CMAKE_INSTALL_PYTHON_PKG_DIR}\")"
". Not trying to guess.")
endif()
# Check if path exists under the install prefix if it is absolute. If the
# path is relative it will be installed under the install prefix so there
# if nothing to check
if (IS_ABSOLUTE "${CMAKE_INSTALL_PYTHON_PKG_DIR}")
string(FIND "${CMAKE_INSTALL_PYTHON_PKG_DIR}" "${CMAKE_INSTALL_PREFIX}" position)
if (NOT ("${position}" EQUAL 0))
message(WARNING "The directory to install the python bindings \"${CMAKE_INSTALL_PYTHON_PKG_DIR}\" "
"is not under the install prefix \"${CMAKE_INSTALL_PREFIX}\"."
" Running the install target may lead to a broken installation. "
"To change the install directory modify the CMAKE_INSTALL_PYTHON_PKG_DIR cache variable."
)
endif()
endif()
# Using DESTDIR still seems to work even if we use an absolute path
message(STATUS "Python bindings will be installed to \"${CMAKE_INSTALL_PYTHON_PKG_DIR}\"")
install(FILES ${build_z3_python_bindings_target_depends}
DESTINATION "${CMAKE_INSTALL_PYTHON_PKG_DIR}/z3"
)
else()
message(STATUS "Not emitting rules to install Z3 python bindings")
endif()