[Buildroot] [PATCH v2] package/rt-tests: add support to build without numactl
Baruch Siach
baruch at tkos.co.il
Sun Dec 27 18:56:15 UTC 2020
Hi Andreas,
On Sun, Dec 27 2020, Andreas Klinger wrote:
> rt-tests don't show up in config menu and is not build if
> BR2_PACKAGE_NUMACTL_ARCH_SUPPORTS is not available on the target
> architecture. In such a case numactl is also not available what applies for
> most small embedded targets.
>
> This dependency was introduced with commit 7f50cbfb800e
> ("package/rt-tests: bump to version 1.8")
>
> But rt-tests can also be build without numactl when passing NUMA=0 to make.
> This possibility is documented on
> https://wiki.linuxfoundation.org/realtime/documentation/howto/tools/rt-tests
>
> Change Config.in and makefile to build without numactl by passing NUMA=0.
>
> Changes in v2:
> - Thanks to the review of Baruch patch is simplified and directly disabling
> NUMA by querying for !BR2_PACKAGE_NUMACTL_ARCH_SUPPORTS.
>
> Signed-off-by: Andreas Klinger <ak at it-klinger.de>
> ---
> package/rt-tests/Config.in | 4 +---
> package/rt-tests/rt-tests.mk | 7 ++++++-
> 2 files changed, 7 insertions(+), 4 deletions(-)
>
> diff --git a/package/rt-tests/Config.in b/package/rt-tests/Config.in
> index cc9b14dccb..4e7fa50a1a 100644
> --- a/package/rt-tests/Config.in
> +++ b/package/rt-tests/Config.in
> @@ -5,8 +5,7 @@ config BR2_PACKAGE_RT_TESTS
> depends on BR2_USE_MMU # fork()
> depends on !BR2_STATIC_LIBS # dlopen
> depends on !BR2_TOOLCHAIN_USES_MUSL # cyclictest
> - depends on BR2_PACKAGE_NUMACTL_ARCH_SUPPORTS
> - select BR2_PACKAGE_NUMACTL
> + select BR2_PACKAGE_NUMACTL if BR2_PACKAGE_NUMACTL_ARCH_SUPPORTS
> help
> Set of utilities for testing the real-time behaviour of a
> Linux system.
> @@ -34,4 +33,3 @@ comment "rt-tests needs a uClibc or glibc toolchain w/ NPTL, headers >= 3.14, dy
> depends on !BR2_TOOLCHAIN_HAS_THREADS_NPTL || BR2_STATIC_LIBS \
> || BR2_TOOLCHAIN_USES_MUSL || !BR2_TOOLCHAIN_HEADERS_AT_LEAST_3_14
> depends on BR2_USE_MMU
> - depends on BR2_PACKAGE_NUMACTL_ARCH_SUPPORTS
> diff --git a/package/rt-tests/rt-tests.mk b/package/rt-tests/rt-tests.mk
> index 26c257213b..c6c1a69f0d 100644
> --- a/package/rt-tests/rt-tests.mk
> +++ b/package/rt-tests/rt-tests.mk
> @@ -11,11 +11,16 @@ RT_TESTS_LICENSE = GPL-2.0+
> RT_TESTS_LICENSE_FILES = COPYING
> RT_TESTS_DEPENDENCIES = numactl
This should depend on BR2_PACKAGE_NUMACTL_ARCH_SUPPORTS. Otherwise
numactl will build on unsupported architectures.
> +ifneq ($(BR2_PACKAGE_NUMACTL_ARCH_SUPPORTS),y)
Positive logic is better. You need 'ifeq' anyway for the numactl
dependency.
baruch
> +RT_TESTS_MAKE_OPTS += NUMA=0
> +endif
> +
> define RT_TESTS_BUILD_CMDS
> $(TARGET_MAKE_ENV) $(MAKE) -C $(@D) \
> CC="$(TARGET_CC)" \
> CFLAGS="$(TARGET_CFLAGS)" \
> - prefix=/usr
> + prefix=/usr \
> + $(RT_TESTS_MAKE_OPTS)
> endef
>
> define RT_TESTS_INSTALL_TARGET_CMDS
--
~. .~ Tk Open Systems
=}------------------------------------------------ooO--U--Ooo------------{=
- baruch at tkos.co.il - tel: +972.52.368.4656, http://www.tkos.co.il -
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