On Mon, Apr 01, 2024 at 09:09:55PM +0700, Bagas Sanjaya wrote:
> Hi,
>
> On Bugzilla, ncopa@xxxxxxxxxxxxxxx reported resolve_btfids FTBFS regression
> on musl system [1]:
>
> > The latest releases fails to build with musl libc (Alpine Linux edge and v3.19):
> >
> > ```
> > rm -f -f /home/ncopa/aports/main/linux-lts/src/build-lts.x86_64/tools/bpf/resolve_btfids/libbpf/libbpf.a; ar rcs /home/ncopa/aports/main/linux-lts/src/build-lts.x86_64/tool
> > s/bpf/resolve_btfids/libbpf/libbpf.a /home/ncopa/aports/main/linux-lts/src/build-lts.x86_64/tools/bpf/resolve_btfids/libbpf/staticobjs/libbpf-in.o
> > In file included from main.c:73:
> > /home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/include/linux/btf_ids.h:7:9: error: unknown type name 'u32'
> > 7 | u32 cnt;
> > | ^~~
> > /home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/include/linux/btf_ids.h:8:9: error: unknown type name 'u32'
> > 8 | u32 ids[];
> > | ^~~
> > /home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/include/linux/btf_ids.h:12:9: error: unknown type name 'u32'
> > 12 | u32 cnt;
> > | ^~~
> > /home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/include/linux/btf_ids.h:13:9: error: unknown type name 'u32'
> > 13 | u32 flags;
> > | ^~~
> > /home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/include/linux/btf_ids.h:15:17: error: unknown type name 'u32'
> > 15 | u32 id;
> > | ^~~
> > /home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/include/linux/btf_ids.h:16:17: error: unknown type name 'u32'
> > 16 | u32 flags;
> > | ^~~
> > /home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/include/linux/btf_ids.h:215:8: error: unknown type name 'u32'
> > 215 | extern u32 btf_tracing_ids[];
> > | ^~~
> > make[4]: *** [/home/ncopa/aports/main/linux-lts/src/linux-6.6/tools/build/Makefile.build:98: /home/ncopa/aports/main/linux-lts/src/build-lts.x86_64/tools/bpf/resolve_btfids
> > /main.o] Error 1
> > make[4]: *** Waiting for unfinished jobs....
> > make[3]: *** [Makefile:83: /home/ncopa/aports/main/linux-lts/src/build-lts.x86_64/tools/bpf/resolve_btfids//resolve_btfids-in.o] Error 2
> > make[2]: *** [Makefile:76: bpf/resolve_btfids] Error 2
> > make[1]: *** [/home/ncopa/aports/main/linux-lts/src/linux-6.6/Makefile:1354: tools/bpf/resolve_btfids] Error 2
> > make: *** [/home/ncopa/aports/main/linux-lts/src/linux-6.6/Makefile:234: __sub-make] Error 2
> > ```
>
> Bisection led to upstream commit 9707ac4fe2f5ba ("tools/resolve_btfids:
> Refactor set sorting with types from btf_ids.h") as the culprit.
>
> See the report on Bugzilla for the full thread and proposed fix.
Is the proposed fix a commit to backport?
Digging through entries is not the easiest way to get things resolved...
greg k-h
