Files
pylibbpf/CMakeLists.txt
Pragyansh Chaturvedi b7aa0807c5 Fix pre-commit conditions
2025-10-20 04:05:14 +05:30

63 lines
1.7 KiB
CMake

cmake_minimum_required(VERSION 4.0)
project(pylibbpf)
set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
# pybind11
include_directories(${CMAKE_SOURCE_DIR}/src)
add_subdirectory(pybind11)
pybind11_add_module(
pylibbpf
# Core
src/core/bpf_program.h
src/core/bpf_exception.h
src/core/bpf_map.h
src/core/bpf_object.h
src/core/bpf_program.cpp
src/core/bpf_map.cpp
src/core/bpf_object.cpp
# Maps
src/maps/perf_event_array.h
src/maps/perf_event_array.cpp
# Utils
src/utils/struct_parser.h
src/utils/struct_parser.cpp
# Bindings
src/bindings/main.cpp)
# --- libbpf build rules ---
set(LIBBPF_SRC_DIR ${CMAKE_CURRENT_SOURCE_DIR}/libbpf/src)
set(LIBBPF_BUILD_DIR ${CMAKE_CURRENT_BINARY_DIR}/libbpf)
set(LIBBPF_A ${LIBBPF_BUILD_DIR}/libbpf.a)
add_custom_command(
OUTPUT ${LIBBPF_A}
COMMAND make BUILD_STATIC_ONLY=1 OBJDIR=${LIBBPF_BUILD_DIR} CFLAGS="-fPIC"
LDFLAGS="-fPIC" -C ${LIBBPF_SRC_DIR}
WORKING_DIRECTORY ${LIBBPF_SRC_DIR}
COMMENT "Building libbpf.a"
VERBATIM)
add_custom_target(libbpf_build ALL DEPENDS ${LIBBPF_A})
# Define static lib as imported
add_library(libbpf_static STATIC IMPORTED GLOBAL)
set_target_properties(
libbpf_static
PROPERTIES
IMPORTED_LOCATION ${LIBBPF_A}
INTERFACE_INCLUDE_DIRECTORIES
"${CMAKE_CURRENT_SOURCE_DIR}/libbpf/include;${CMAKE_CURRENT_SOURCE_DIR}/libbpf/src"
)
add_dependencies(libbpf_static libbpf_build)
# Link pybind11 module against libbpf
target_link_libraries(pylibbpf PRIVATE libbpf_static elf)
# Version info for Python extension
target_compile_definitions(pylibbpf
PRIVATE VERSION_INFO=${PYLIBBPF_VERSION_INFO})