linux-kernel - Re: [PATCH 4.4 14/43] tools build: fix # escaping in .cmd files for future Make

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Date:   Tue, 17 Jul 2018 15:15:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Randy Dunlap <rdunlap@...radead.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Paul Menzel <pmenzel@...gen.mpg.de>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Subject: Re: [PATCH 4.4 14/43] tools build: fix # escaping in .cmd files for
 future Make

On Tue, Jul 17, 2018 at 03:57:21PM +0300, Konstantin Khlebnikov wrote:
> This commit depends on commit 9564a8cf422d7b58f6e857e3546d346fa970191e
> "Kbuild: fix # escaping in .cmd files for future Make"
> which is missing in 4.4.141
> 
> 
> this breaks compilation of tools/perf for me
> 
> make -C tools/perf V=1 JOBS=24 WERROR=0 NO_GTK2=1 LDFLAGS=-static all
> make[1]: Entering directory `/tmp/buildd/linux-yandex-4.4.141/tools/perf'
>   BUILD:   Doing 'make -j24' parallel build
> 
> Auto-detecting system features:
> ...                         dwarf: [ on  ]
> ...            dwarf_getlocations: [ OFF ]
> ...                         glibc: [ on  ]
> ...                          gtk2: [ OFF ]
> ...                      libaudit: [ on  ]
> ...                        libbfd: [ on  ]
> ...                        libelf: [ on  ]
> ...                       libnuma: [ on  ]
> ...        numa_num_possible_cpus: [ on  ]
> ...                       libperl: [ OFF ]
> ...                     libpython: [ OFF ]
> ...                      libslang: [ on  ]
> ...                     libunwind: [ on  ]
> ...            libdw-dwarf-unwind: [ OFF ]
> ...                          zlib: [ on  ]
> ...                          lzma: [ on  ]
> ...                     get_cpuid: [ on  ]
> ...                           bpf: [ on  ]
> 
> config/Makefile:274: No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR
> config/Makefile:282: Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157
> config/Makefile:458: Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev
> config/Makefile:501: No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev
> $(:)
> make -C /tmp/buildd/linux-yandex-4.4.141/tools/build fixdep
> /bin/sh util/PERF-VERSION-GEN
> make -f /tmp/buildd/linux-yandex-4.4.141/tools/build/Makefile.build dir=. obj=fixdep
> . util/generate-cmdlist.sh > common-cmds.h+ && mv common-cmds.h+ common-cmds.h
> .fixdep.o.cmd:1: *** missing separator.  Stop.
> make[3]: *** [fixdep-in.o] Error 2
> make[2]: *** [fixdep] Error 2

Ok, backporting the Makefile fixes resolves this issue.  But perf still
fails to build for me due to some futex errors, which is odd, do you see
that too?

thanks,

greg k-h