Re: [PATCH] perf: fix building error in x86_64 when dwarf unwind is on.
From: Christopher Covington
Date: Tue Feb 03 2015 - 14:59:03 EST
Hi,
Commit c6e5e9fbc3ea1c1a5648a3498d085fc3978df2d4 breaks the following make
invocation (-j, -C, O=, LDFLAGS=, and build directory prefix stripped to
simplify report):
make ARCH=x86_64 CROSS_COMPILE= EXTRA_CFLAGS=
config/Makefile:128: The path 'python-config' is not executable.
config/Makefile:349: 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
config/Makefile:401: Disabling post unwind, no support found.
config/Makefile:439: No libaudit.h found, disables 'trace' tool, please
install audit-libs-devel or libaudit-dev
config/Makefile:453: slang not found, disables TUI support. Please install
slang-devel or libslang-dev
config/Makefile:466: GTK2 not found, disables GTK2 support. Please install
gtk2-devel or libgtk2.0-dev
config/Makefile:494: Missing perl devel files. Disabling perl scripting
support, consider installing perl-ExtUtils-Embed
config/Makefile:525: No python-config tool was found
config/Makefile:525: Python support will not be built
config/Makefile:597: No bfd.h/libbfd found, install
binutils-dev[el]/zlib-static to gain symbol demangling
config/Makefile:627: No numa.h found, disables 'perf bench numa mem'
benchmark, please install numactl-devel/libnuma-devel/libnuma-dev
Auto-detecting system features:
... dwarf: [ [31mOFF[m ]
... glibc: [ [32mon[m ]
... gtk2: [ [31mOFF[m ]
... libaudit: [ [31mOFF[m ]
... libbfd: [ [31mOFF[m ]
... libelf: [ [32mon[m ]
... libnuma: [ [31mOFF[m ]
... libperl: [ [31mOFF[m ]
... libpython: [ [31mOFF[m ]
... libslang: [ [31mOFF[m ]
... libunwind: [ [31mOFF[m ]
... libdw-dwarf-unwind: [ [31mOFF[m ]
... zlib: [ [32mon[m ]
[...]
AR x86_64-linux-gnu/perf/libperf.a
LINK x86_64-linux-gnu/perf/perf
x86_64-linux-gnu/perf/tests/builtin-test.o:(.data+0x158): undefined reference
to `test__perf_time_to_tsc'
collect2: ld returned 1 exit status
Thanks,
Chris
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