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package/ltp-testsuite: refine architecture dependency

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As stated in commit [1], sparc toolchains doesn't have
any of __sync_*() family of functions implementation.

When __sync_add_and_fetch() is missing, ltp fallback to a local
implementation of tst_atomic_add_return() specific for each
supported architecture.
But there is none for sparc.

So add a dependency on BR2_TOOLCHAIN_HAS_SYNC_4 except for
architectures where a specific implementation is provided
in ltp-testsuite.

Fixes:
http://autobuild.buildroot.net/results/d7c/d7c3b145a64ed3916b89ddb4090050f3b9205e37

[1] 6856e417da4f3aa77e2a814db2a89429af072f7d

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour 2017-05-09 22:59:29 +02:00 committed by Thomas Petazzoni
parent 0c514410ed
commit 583f59702b
1 changed files with 10 additions and 1 deletions
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11
package/ltp-testsuite/Config.in
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@ -1,6 +1,15 @@
config BR2_PACKAGE_LTP_TESTSUITE_ARCH_SUPPORTS
bool
default y
# Needs __sync*() built-ins for 4-byte data, except on a few
# architectures for which a specific implementation is
# provided in ltp-testsuite
default y if BR2_TOOLCHAIN_HAS_SYNC_4
default y if BR2_arc
default y if BR2_i386
default y if BR2_powerpc
default y if BR2_powepc64
default y if BR2_powerpc64le
default y if BR2_x86_64
# does not build on nios2, cachectl.h issue
depends on !BR2_nios2