Messages in this thread | | | Date | Tue, 2 Oct 2012 07:39:23 -0400 | Subject | Re: linux-next: build failure in dwarf-regs.c | From | Ben Guthro <> |
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Hi Ian,
Once again - apologies for multiple copies of this email. Please reply to this (plain text) version so it will get through LKML filters.
On Tue, Oct 2, 2012 at 12:24 AM, Ian Munsie <imunsie@au1.ibm.com> wrote: > > > > CC arch/x86/util/dwarf-regs.o > > Is this correct? i.e. Are you building perf for x86?
Yes, x86_64, specifically.
> > What commandline are you using to build?
cd /data/home/bguthro/dev/orc-newdev.git/linux/build/tools/tools/perf && make EXTRAVERSION=-orc
> > Any exported environment variables that may be relevant?
none that I can think of.
> > What dev libraries does perf warn is missing (Is libdw-dev among them)?
make[3]: Entering directory `/data/home/bguthro/dev/orc-newdev.git/linux/build/tools/tools/perf' Makefile:502: No libunwind found, disabling post unwind support. Please install libunwind-dev[el] >= 0.99 Makefile:537: No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev Makefile:567: No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev Makefile:580: newt not found, disables TUI support. Please install newt-devel or libnewt-dev Makefile:752: No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling
Actually - I hadn't noticed these warnings before.
After installing libdw-dev - the perf build completed successfully. Perhaps this should be fatal, rather than a warning?
Thanks for your help
Ben
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