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libbpf / bpftool

Automated upstream mirror for bpftool stand-alone build.
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Problem with Compilation of bpftool #93

Closed AlejandraOliver closed 1 year ago

AlejandraOliver commented 1 year ago

Hi, I'm trying to compile bpftool in linux kernel 6.3 on ubuntu 22.04. When I do make I receive the following errors:

~mptcp_net-next/tools/bpf/bpftool$ make

Auto-detecting system features: ... clang-bpf-co-re: [ on ] ... llvm: [ on ] ... libcap: [ OFF ] ... libbfd: [ OFF ]

MKDIR /home/test2/mptcp_net-next/tools/bpf/bpftool/libbpf/ make[1]: enter from the directory '/home/test2/mptcp_net-next/tools/lib/bpf' GEN /home/test2/mptcp_net-next/tools/bpf/bpftool/libbpf/bpf_helper_defs.h MKDIR /home/test2/mptcp_net-next/tools/bpf/bpftool/libbpf/staticobjs/ CC /home/test2/mptcp_net-next/tools/bpf/bpftool/libbpf/staticobjs/libbpf.o

In file included from /usr/include/asm-generic/int-ll64.h:12, from /usr/include/asm-generic/types.h:7, from /usr/include/x86_64-linux-gnu/asm/types.h:1, from /home/test2/mptcp_net-next/tools/include/linux/types.h:13, from /home/test2/mptcp_net-next/tools/include/linux/compiler.h:105, from /home/test2/mptcp_net-next/tools/include/linux/err.h:5, from libbpf.c:29:

/home/test2/mptcp_net-next/tools/include/asm-generic/bitsperlong.h:14:2: error: #error Inconsistent word size. Check asm/bitsperlong.h 14 | #error Inconsistent word size. Check asm/bitsperlong.h | ^~~~~ make[2]: [/home/test2/mptcp_net-next/tools/build/Makefile.build:98: /home/test2/mptcp_net-next/tools/bpf/bpftool/libbpf/staticobjs/libbpf.o] Error 1 make[1]: [Makefile:157: /home/test2/mptcp_net-next/tools/bpf/bpftool/libbpf/staticobjs/libbpf-in.o] Error 2 make[1]: exits from the directory '/home/test2/mptcp_net-next/tools/lib/bpf' make: *** [Makefile:46: /home/test2/mptcp_net-next/tools/bpf/bpftool/libbpf/libbpf.a] Error 2

Any advice?

qmonnet commented 1 year ago

Hi, what is your architecture?

This issue seems to occur when compiling libbpf, not bpftool itself, so I'd suggest trying to compile the lib on its own to see if that works. If not, you might want to report on the BPF mailing list.

AlejandraOliver commented 1 year ago

I use a virtual machine with ubuntu 22.04 on VirtualBox . When I try to compile libbpf I receive errors too. What is the command that I need to use to compile it?

qmonnet commented 1 year ago

When I try to compile libbpf I receive errors too. What is the command that I need to use to compile it?

Just make from the src directory, as on the README

AlejandraOliver commented 1 year ago

Ok, thanks!!