Configuring architecture specific vmlinux.h in CMakefile

Signed-off-by: Abhishek Dubey <[email protected]>

Author: Abhishek Dubey

examples/c/CMakeLists.txt

@@ -51,8 +51,24 @@ endif()
 
 # Set BpfObject input parameters -- note this is usually not necessary unless
 # you're in a highly vendored environment (like libbpf-bootstrap)
+if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86_64")
+  set(ARCH "x86")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "arm")
+  set(ARCH "arm")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
+  set(ARCH "arm64")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "ppc64le")
+  set(ARCH "powerpc")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "mips")
+  set(ARCH "mips")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "riscv64")
+  set(ARCH "riscv")
+elseif(${CMAKE_SYSTEM_PROCESSOR} MATCHES "loongarch64")
+  set(ARCH "loongarch")
+endif()
+
 set(BPFOBJECT_BPFTOOL_EXE ${CMAKE_CURRENT_BINARY_DIR}/bpftool/bootstrap/bpftool)
-set(BPFOBJECT_VMLINUX_H ${CMAKE_CURRENT_SOURCE_DIR}/../../vmlinux/vmlinux.h)
+set(BPFOBJECT_VMLINUX_H ${CMAKE_CURRENT_SOURCE_DIR}/../../vmlinux/${ARCH}/vmlinux.h)
 set(LIBBPF_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR}/libbpf)
 set(LIBBPF_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/libbpf/libbpf.a)
 find_package(BpfObject REQUIRED)