loot/libloot-python
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libloot-python/CMakeLists.txt
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CMake
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cmake_minimum_required (VERSION 3.1)
project (libloot-python)
include(ExternalProject)
set(EXTERNAL_PROJECTS_PATH "${CMAKE_BINARY_DIR}/external/src")
make_directory(${EXTERNAL_PROJECTS_PATH})
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
##############################
# Get Build Revision
##############################
set(LIBLOOT_PY_VERSION_MAJOR 4)
set(LIBLOOT_PY_VERSION_MINOR 0)
set(LIBLOOT_PY_VERSION_PATCH 2)
find_package(Git)
IF (GIT_FOUND)
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --short HEAD
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_COMMIT_STRING
OUTPUT_STRIP_TRAILING_WHITESPACE)
ELSE()
SET (GIT_COMMIT_STRING "unknown")
ENDIF ()
message(STATUS "libloot-python version: ${LIBLOOT_PY_VERSION_MAJOR}.${LIBLOOT_PY_VERSION_MINOR}.${LIBLOOT_PY_VERSION_PATCH}")
message(STATUS "Git revision: ${GIT_COMMIT_STRING}")
# Write to file.
configure_file("${CMAKE_SOURCE_DIR}/src/wrapper_version.cpp.in" "${CMAKE_BINARY_DIR}/generated/wrapper_version.cpp" @ONLY)
configure_file("${CMAKE_SOURCE_DIR}/python/setup.py" "${CMAKE_BINARY_DIR}/generated/setup.py" @ONLY)
#######################################
# pybind11
#######################################
set(PYBIND11_VERSION "2.4.2")
set(PYBIND11_URL "https://github.com/pybind/pybind11/archive/v${PYBIND11_VERSION}.tar.gz")
set(PYBIND11_DOWNLOAD_PATH "${EXTERNAL_PROJECTS_PATH}/pybind11-${PYBIND11_VERSION}.tar.gz")
set(PYBIND11_EXTRACTED_PATH "${EXTERNAL_PROJECTS_PATH}/pybind11-${PYBIND11_VERSION}")
if (NOT EXISTS ${PYBIND11_DOWNLOAD_PATH})
file(DOWNLOAD ${PYBIND11_URL} ${PYBIND11_DOWNLOAD_PATH})
endif()
execute_process(COMMAND ${CMAKE_COMMAND} -E tar xfz ${PYBIND11_DOWNLOAD_PATH}
WORKING_DIRECTORY ${EXTERNAL_PROJECTS_PATH}
RESULT_VARIABLE result)
add_subdirectory(${PYBIND11_EXTRACTED_PATH})
#######################################
# libloot
#######################################
if (CMAKE_SYSTEM_NAME MATCHES "Windows")
if (NOT "${CMAKE_GENERATOR_PLATFORM}" MATCHES "x64")
set(LIBLOOT_URL "https://github.com/loot/libloot/releases/download/0.15.0/libloot-0.15.0-0-g629fdab_master-win32.7z")
else()
set(LIBLOOT_URL "https://github.com/loot/libloot/releases/download/0.15.0/libloot-0.15.0-0-g629fdab_master-win64.7z")
endif()
else()
set(LIBLOOT_URL "https://github.com/loot/libloot/releases/download/0.15.0/libloot.tar.xz")
endif()
ExternalProject_Add(libloot
PREFIX "external"
URL ${LIBLOOT_URL}
CONFIGURE_COMMAND ""
BUILD_COMMAND ""
INSTALL_COMMAND "")
ExternalProject_Get_Property(libloot SOURCE_DIR)
set(LIBLOOT_EXTRACTED_PATH ${SOURCE_DIR})
include_directories("${CMAKE_SOURCE_DIR}/src"
"${LIBLOOT_EXTRACTED_PATH}/include")
link_directories(${LIBLOOT_EXTRACTED_PATH})
set(LIBLOOT_STATIC_LIBRARY "${CMAKE_STATIC_LIBRARY_PREFIX}loot${CMAKE_STATIC_LIBRARY_SUFFIX}")
set(LIBLOOT_SHARED_LIBRARY "${CMAKE_SHARED_LIBRARY_PREFIX}loot${CMAKE_SHARED_LIBRARY_SUFFIX}")
#######################################
# Python Module
#######################################
pybind11_add_module(libloot-python "${CMAKE_SOURCE_DIR}/src/main.cpp"
"${CMAKE_SOURCE_DIR}/src/convenience.cpp"
"${CMAKE_BINARY_DIR}/generated/wrapper_version.cpp")
# Set the target output name to loot to follow common Python library naming
# conventions (no lib, no -python).
set_target_properties(libloot-python PROPERTIES OUTPUT_NAME loot)
add_dependencies(libloot-python libloot)
if (CMAKE_SYSTEM_NAME MATCHES "Windows")
target_link_libraries(libloot-python PRIVATE ${LIBLOOT_STATIC_LIBRARY})
else()
target_link_libraries(libloot-python PRIVATE ${LIBLOOT_SHARED_LIBRARY})
endif()
########################################
# Testing
########################################
find_package(PythonInterp REQUIRED)
# Copy the libloot binary to the build directory.
add_custom_command(TARGET libloot-python POST_BUILD
COMMAND ${CMAKE_COMMAND} -E copy_if_different
"${LIBLOOT_EXTRACTED_PATH}/${LIBLOOT_SHARED_LIBRARY}"
"$<TARGET_FILE_DIR:libloot-python>/${LIBLOOT_SHARED_LIBRARY}")
enable_testing()
add_test(NAME python
WORKING_DIRECTORY $<TARGET_FILE_DIR:libloot-python>
COMMAND "${PYTHON_EXECUTABLE}" ${CMAKE_SOURCE_DIR}/test/test.py)
########################################
# Install
########################################
install(TARGETS libloot-python
DESTINATION "loot"
CONFIGURATIONS Release RelWithDebInfo)
install(FILES "${LIBLOOT_EXTRACTED_PATH}/${LIBLOOT_SHARED_LIBRARY}"
"${CMAKE_SOURCE_DIR}/python/loot/__init__.py"
DESTINATION "loot"
CONFIGURATIONS Release RelWithDebInfo)
install(FILES "${CMAKE_SOURCE_DIR}/docs/README.md"
"${CMAKE_BINARY_DIR}/generated/setup.py"
"${CMAKE_SOURCE_DIR}/LICENSE"
DESTINATION "."
CONFIGURATIONS Release RelWithDebInfo)
IF (MSVC)
install(FILES $<TARGET_PDB_FILE:libloot-python>
DESTINATION "loot"
OPTIONAL
CONFIGURATIONS RelWithDebInfo
RENAME libloot-python.pdb)
ENDIF ()
########################################
# CPack
########################################
# Get version info using Git if available
find_package(Git)
IF (GIT_FOUND)
execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --long --always
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
OUTPUT_VARIABLE GIT_DESCRIBE_STRING
OUTPUT_STRIP_TRAILING_WHITESPACE)
IF (DEFINED ENV{APPVEYOR_REPO_BRANCH})
set(GIT_DESCRIBE_STRING "${GIT_DESCRIBE_STRING}_$ENV{APPVEYOR_REPO_BRANCH}")
ELSEIF (DEFINED ENV{TRAVIS_BRANCH})
set(GIT_DESCRIBE_STRING "${GIT_DESCRIBE_STRING}_$ENV{TRAVIS_BRANCH}")
ENDIF()
string(REPLACE "/" "-" GIT_DESCRIBE_STRING ${GIT_DESCRIBE_STRING})
ELSE()
SET (GIT_DESCRIBE_STRING "unknown-version")
ENDIF ()
set(CPACK_GENERATOR "ZIP")
set(CPACK_PACKAGE_VERSION "${GIT_DESCRIBE_STRING}-python$ENV{PYTHON_VERSION}")
set(CPACK_PACKAGE_DIRECTORY "${CMAKE_BINARY_DIR}/package")
include(CPack)
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