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Since its introduction in commit
b05e74ff92 in 2013, numactl has had an
explicit list of architectures that it supports. Interestingly, this
list does not include ARM, and now that rt-tests unconditionally needs
numactl, it meant the rt-tests package was no longer available on ARM.
Further investigation revealed that there is nothing in recent
versions of numactl that appears to be architecture-specific. It does
build with all of Buildroot toolchains currently used in the
autobuilders.
The only necessary changes are:
* Exclude no-MMU architectures, as madvise() is used in the code
base, and this is not available on no-MMU architectures.
* Make sure to use -latomic when needed, as some atomic operations
are used.
* Backport a patch that fixes the .symver usage, which only affects
really old gcc versions: only the old ARM Sourcery toolchain was
affected by this. Newer gcc versions support the gcc "symver"
attribute, so that the code that directly emits the assembly
.symver directive is not invoked.
With these changes, numactl builds successfully on all our supported
toolchains.
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on Freenode IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches