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577f258ceb
The logic in libbacktrace/configure.ac to detect if __sync builtins
are available assumes they are as soon as target_subdir is not
empty, i.e when cross-compiling. However, some platforms do not have
__sync builtins, so help the configure script a bit.
"libbacktrace_cv_sys_sync=no" is lost when it is added to
HOST_GCC_COMMON_CONF_ENV because the environment is not exported
when executing the libbacktrace configure script.
Use target_configargs to force "libbacktrace_cv_sys_sync=no" when
executiong the libbacktrace configure script.
Fixes:
https://gitlab.com/bootlin/toolchains-builder/-/jobs/729359681
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
[Romain: use target_configargs="libbacktrace_cv_sys_sync=no"]
Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 0bec4c8a4a)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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