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libpfm4: disable when pthreads barrier support in missing 

The old linuxthreads pthreads implementation does not support barriers.
Disable libpfm4 for arches that don't have either NPTL or new linuxthreads
pthreads implementation.

Fixes
http://autobuild.buildroot.net/results/ea5/ea594807b891cbe1f0eddad7f89d34af160636c4/.

Also, add missing comment arches dependency.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Baruch Siach 2014-01-05 11:06:00 +02:00 committed by Peter Korsgaard
parent bfbe4dd19e
commit 344a1b88ee
1 changed files with 2 additions and 0 deletions
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2
package/libpfm4/Config.in
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@ -1,6 +1,7 @@
config BR2_PACKAGE_LIBPFM4
bool "libpfm4"
depends on !BR2_avr32 # no perf_event_open
depends on !BR2_xtensa && !BR2_bfin # no nptl or linuxthreads (new)
depends on BR2_TOOLCHAIN_HAS_THREADS
help
A helper library to help encode Performance Events to use with
@ -10,3 +11,4 @@ config BR2_PACKAGE_LIBPFM4
comment "libpfm4 needs a toolchain w/ threads"
depends on !BR2_TOOLCHAIN_HAS_THREADS
depends on !BR2_avr32 && !BR2_xtensa && !BR2_bfin