Am 02.02.2011 13:59, schrieb Steffen Sledz:
> Am 02.02.2011 10:54, schrieb Steffen Sledz:
>> Has anybody some instructions/hints how to enable profiling
>> support for selected libs and/or binaries in OE?
>
> The local.conf.sample does contain this section:
>
> # Uncomment these to build a package such that you can use gprof to profile
> it.
> # NOTE: This will only work with 'linux' targets, not
> # 'linux-uclibc', as uClibc doesn't provide the necessary
> # object files. Also, don't build glibc itself with these
> # flags, or it'll fail to build.
> #
> # PROFILE_OPTIMIZATION = "-pg"
> # SELECTED_OPTIMIZATION = "${PROFILE_OPTIMIZATION}"
> # LDFLAGS =+ "-pg"
>
> This seems to do the work for the complete image.
Hmmmm? Unfortunately not in all cases. Enabling the options mentioned above and
making a clean build results in
| ...
| checking for .preinit_array/.init_array/.fini_array support... no
| configure: error: Need linker with .init_array/.fini_array support.
| ERROR: Function do_configure failed
NOTE: package glibc-2.9-r36.3: task do_configure: Failed
ERROR: TaskFailed event exception, aborting
ERROR: Build of /home/sledz/work/openembedded/recipes/glibc/glibc_2.9.bb
do_configure failed
ERROR: Task 127 (/home/sledz/work/openembedded/recipes/glibc/glibc_2.9.bb,
do_configure) failed with 256
Any ideas?
Steffen
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