Messages in this thread | | | Date | Tue, 22 Sep 2015 00:06:36 +0300 | From | Aaro Koskinen <> | Subject | Re: [PATCH] perf tools: Fix build errors with mipsel-linux-uclibc compiler |
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Hi,
On Mon, Sep 21, 2015 at 04:29:39PM +0000, Alexey Brodkin wrote: > > Em Fri, Sep 04, 2015 at 04:01:54PM -0700, Petri Gynther escreveu: > > > On Fri, Sep 4, 2015 at 3:48 PM, Arnaldo Carvalho de Melo > > > <ac...@kernel.org> wrote: > > > > Em Fri, Sep 04, 2015 at 03:45:03PM -0700, Petri Gynther escreveu: > > > >> This commit breaks the perf tool MIPS build because MIPS doesn't have > > > >> CONFIG_PERF_REGS=y in .config-detected: > > > >> > > > >> commit bcc84ec65ad1bd9f777a1fade6f8e5e0c5808fa5 > > > >> Author: Stephane Eranian <era...@google.com> > > > >> Date: Mon Aug 31 18:41:12 2015 +0200 > > > >> > > > >> perf record: Add ability to name registers to record > > > > > > > > There was a fix for another arch that came after this one.. here it is, already > > > > upstream, can you take a look? > > > > > > > > commit af4aeadd8c04303c0aa2d112145c3627e2ebd026 > > > > Author: Stephane Eranian <era...@google.com> > > > > Date: Tue Sep 1 11:30:14 2015 +0200 > > > > > > > > perf tools: Fix link time error with sample_reg_masks on non x86 > > > > > > > > This patch makes perf compile on non x86 platforms by defining a weak > > > > symbol for sample_reg_masks[] in util/perf_regs.c. > > > > > > > > The patch also moves the REG() and REG_END() macros into the > > > > util/per_regs.h header file. The macros are renamed to > > > > SMPL_REG/SMPL_REG_END to avoid clashes with other header files. > > > > > > > > > > > > > > I have the above commit in my tree (as I have the latest Linus' tree > > > as of right now). > > > The MIPS build is still broken as I reported. > > > > Stephane, can you please take a look? > > The same problem happens when building perf on ARC. > I'm on 4.3-rc2 and that's what I see: > ------------------->8----------------- > LINK .../linux-4.3-rc2/tools/perf/perf > .../linux-4.3-rc2/tools/perf/libperf.a(libperf-in.o): In function `parse_regs': > .../linux-4.3-rc2/tools/perf/util/parse-regs-options.c:28: undefined reference to `sample_reg_masks' > .../linux-4.3-rc2/tools/perf/util/parse-regs-options.c:45: undefined reference to `sample_reg_masks' > .../linux-4.3-rc2/tools/perf/util/parse-regs-options.c:38: undefined reference to `sample_reg_masks' > collect2: error: ld returned 1 exit status > ------------------->8----------------- > > Any chance for this to be discussed any further?
Also (with 4.3-rc2) on PA-RISC, PowerPC and SPARC the same errors are seen. 4.2 builds fine.
A.
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