Files
pylibbpf/CMakeLists.txt
2025-09-21 01:36:33 +05:30

40 lines
1.2 KiB
CMake

cmake_minimum_required(VERSION 4.0)
project(pylibbpf)
add_subdirectory(pybind11)
pybind11_add_module(pylibbpf src/main.cpp)
include(ExternalProject)
ExternalProject_Add(
libbpf_build
PREFIX libbpf
SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libbpf/src
CONFIGURE_COMMAND ""
BUILD_COMMAND
make BUILD_STATIC_ONLY=1 OBJDIR=${CMAKE_CURRENT_BINARY_DIR}/libbpf/libbpf
DESTDIR=${CMAKE_CURRENT_BINARY_DIR}/libbpf INCLUDEDIR= LIBDIR= UAPIDIR=
install install_uapi_headers
BUILD_IN_SOURCE TRUE
INSTALL_COMMAND ""
STEP_TARGETS build)
# Define a static library target pointing to the built libbpf.a
add_library(libbpf_static STATIC IMPORTED GLOBAL)
set(LIBBPF_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/libbpf/include)
set_target_properties(
libbpf_static
PROPERTIES IMPORTED_LOCATION "${CMAKE_CURRENT_BINARY_DIR}/libbpf/libbpf.a"
INTERFACE_INCLUDE_DIRECTORIES "${LIBBPF_INCLUDE_DIRS}")
# Ensure build order: external project builds before linking
add_dependencies(libbpf_static libbpf_build)
add_dependencies(pylibbpf libbpf_static)
# Version info
target_compile_definitions(pylibbpf
PRIVATE VERSION_INFO=${PYLIBBPF_VERSION_INFO})
# Link the actual library target
target_link_libraries(pylibbpf PRIVATE libbpf_static)