[LTP] build: Fix library prerequisites in testcases.mk

[Andrea Cervesato]

> Hi Andrea,
> 
> On 20 October 2026, Andrea Cervesato wrote:
> > [PATCH 1/3] build: Fix library prerequisites in testcases.mk
> 
> --- [PATCH 2/3] ---
> 
> > diff --git a/include/mk/generic_trunk_target.inc b/include/mk/generic_trunk_target.inc
> > +MAKE_DEPS += $(abs_top_builddir)/lib/libltp.a $(abs_top_builddir)/libs-all
> 
> Medium: testcases/lib already has a per-library ujson prerequisite, so
> when ujson needs rebuilding, make -j4 -C testcases/lib tst_run_shell
> launches that builder alongside libs-all's ujson builder. Both write the
> same objects and libujson.a concurrently, allowing a corrupt archive or
> a failed link. Serialize or deduplicate these prerequisite paths so each
> library has only one builder.

Valid, I will fix it

--
Andrea Cervesato
SUSE QE Automation Engineer Linux
andrea.cervesato@suse.com