On Mon, Sep 14, 2020 at 3:20 PM Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> wrote: > > On Mon, Sep 14, 2020 at 11:31 AM Yonghong Song <yhs@xxxxxx> wrote: > > > > When building bpf selftests like > > make -C tools/testing/selftests/bpf -j20 > > I hit the following errors: > > ... > > GEN /net-next/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-gen.8 > > <stdin>:75: (WARNING/2) Block quote ends without a blank line; unexpected unindent. > > <stdin>:71: (WARNING/2) Literal block ends without a blank line; unexpected unindent. > > <stdin>:85: (WARNING/2) Literal block ends without a blank line; unexpected unindent. > > <stdin>:57: (WARNING/2) Block quote ends without a blank line; unexpected unindent. > > <stdin>:66: (WARNING/2) Literal block ends without a blank line; unexpected unindent. > > <stdin>:109: (WARNING/2) Literal block ends without a blank line; unexpected unindent. > > <stdin>:175: (WARNING/2) Literal block ends without a blank line; unexpected unindent. > > <stdin>:273: (WARNING/2) Literal block ends without a blank line; unexpected unindent. > > make[1]: *** [/net-next/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-perf.8] Error 12 > > make[1]: *** Waiting for unfinished jobs.... > > make[1]: *** [/net-next/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-iter.8] Error 12 > > make[1]: *** [/net-next/tools/testing/selftests/bpf/tools/build/bpftool/Documentation/bpftool-struct_ops.8] Error 12 > > ... > > > > I am using: > > -bash-4.4$ rst2man --version > > rst2man (Docutils 0.11 [repository], Python 2.7.5, on linux2) > > -bash-4.4$ > > > > The Makefile generated final .rst file (e.g., bpftool-cgroup.rst) looks like > > ... > > ID AttachType AttachFlags Name > > \n SEE ALSO\n========\n\t**bpf**\ (2),\n\t**bpf-helpers**\ > > (7),\n\t**bpftool**\ (8),\n\t**bpftool-btf**\ > > (8),\n\t**bpftool-feature**\ (8),\n\t**bpftool-gen**\ > > (8),\n\t**bpftool-iter**\ (8),\n\t**bpftool-link**\ > > (8),\n\t**bpftool-map**\ (8),\n\t**bpftool-net**\ > > (8),\n\t**bpftool-perf**\ (8),\n\t**bpftool-prog**\ > > (8),\n\t**bpftool-struct_ops**\ (8)\n > > > > The rst2man generated .8 file looks like > > Literal block ends without a blank line; unexpected unindent. > > .sp > > n SEEALSOn========nt**bpf**(2),nt**bpf\-helpers**(7),nt**bpftool**(8),nt**bpftool\-btf**(8),nt** > > bpftool\-feature**(8),nt**bpftool\-gen**(8),nt**bpftool\-iter**(8),nt**bpftool\-link**(8),nt** > > bpftool\-map**(8),nt**bpftool\-net**(8),nt**bpftool\-perf**(8),nt**bpftool\-prog**(8),nt** > > bpftool\-struct_ops**(8)n > > > > Looks like that particular version of rst2man prefers to have actual new line > > instead of \n. > > > > Since `echo -e` may not be available in some environment, let us use `printf`. > > Format string "%b" is used for `printf` to ensure all escape characters are > > interpretted properly. > > > > Cc: Quentin Monnet <quentin@xxxxxxxxxxxxx> > > Suggested-by: Andrii Nakryiko <andrii.nakryiko@xxxxxxxxx> > > Fixes: 18841da98100 ("tools: bpftool: Automate generation for "SEE ALSO" sections in man pages") > > Signed-off-by: Yonghong Song <yhs@xxxxxx> > > --- > > Acked-by: Andrii Nakryiko <andriin@xxxxxx> Applied. Thanks