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in_ebpf: Prepare build directory for building eBPF objects #9592

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Nov 14, 2024
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in_ebpf: Prepare build directory for building eBPF objects #9592

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5 changes: 4 additions & 1 deletion plugins/in_ebpf/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,9 @@ file(GLOB_RECURSE TRACE_C_FILES ${CMAKE_SOURCE_DIR}/plugins/in_ebpf/traces/*/bpf
set(TRACE_OBJ_FILES "")
set(TRACE_SKEL_HEADERS "")

add_custom_target(ebpf-generated-directory ALL
COMMAND ${CMAKE_COMMAND} -E make_directory ${CMAKE_BINARY_DIR}/plugins/in_ebpf/traces/includes/generated/)

# Iterate over each trace bpf.c file to generate corresponding .o and .skel.h files
foreach(TRACE_C_FILE ${TRACE_C_FILES})
# Get the filename and parent directory name (for uniqueness)
Expand Down Expand Up @@ -61,7 +64,7 @@ foreach(TRACE_C_FILE ${TRACE_C_FILES})
-I${VMLINUX_PATH} # Include the correct vmlinux.h based on architecture
-c ${TRACE_C_FILE}
-o ${TRACE_OBJ_FILE}
DEPENDS ${TRACE_C_FILE}
DEPENDS ${TRACE_C_FILE} ebpf-generated-directory
)

# Generate skeleton header for each compiled BPF object file
Expand Down
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