varun-r-mallya/pylibbpf
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Make libbpf headers possible to include

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varun-r-mallya
2025-09-21 01:17:41 +05:30
parent 057d0be1d6
commit 5273b616ca
2 changed files with 15 additions and 2 deletions
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12
CMakeLists.txt
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@ -35,10 +35,20 @@ elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "loongarch64")
set(ARCH "loongarch") set(ARCH "loongarch")
endif() endif()
set(LIBBPF_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR}/libbpf) set(LIBBPF_INCLUDE_DIRS
${CMAKE_CURRENT_BINARY_DIR}/libbpf
${CMAKE_CURRENT_SOURCE_DIR}/libbpf/include
${CMAKE_CURRENT_BINARY_DIR}/libbpf/usr/include)
set(LIBBPF_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/libbpf/libbpf.a) set(LIBBPF_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/libbpf/libbpf.a)
# EXAMPLE_VERSION_INFO is defined by setup.py and passed into the C++ code as a # EXAMPLE_VERSION_INFO is defined by setup.py and passed into the C++ code as a
# define (VERSION_INFO) here. # define (VERSION_INFO) here.
target_compile_definitions(pylibbpf target_compile_definitions(pylibbpf
PRIVATE VERSION_INFO=${PYLIBBPF_VERSION_INFO}) PRIVATE VERSION_INFO=${PYLIBBPF_VERSION_INFO})
# ensure build order
add_dependencies(pylibbpf libbpf)
# headers + linking
target_include_directories(pylibbpf PRIVATE ${LIBBPF_INCLUDE_DIRS})
target_link_libraries(pylibbpf PRIVATE ${LIBBPF_LIBRARIES})

5
src/main.cpp
View File

@ -1,8 +1,11 @@
#include <pybind11/pybind11.h> #include <pybind11/pybind11.h>
#define STRINGIFY(x) #x #define STRINGIFY(x) #x
#define MACRO_STRINGIFY(x) STRINGIFY(x) #define MACRO_STRINGIFY(x) STRINGIFY(x)
extern "C" {
#include "bpf/libbpf.h"
}
int add(int i, int j) { int add(int i, int j) {
return i + j; return i + j;
} }