libubox compile issue

[e9hack]

Hi,

since commit 'libubox: update to Git HEAD (2023-11-27)', I've trouble to compile libubox:

[43/46] Building C object CMakeFiles/jshn.dir/jshn.c.o
[44/46] Linking C executable jshn
FAILED: jshn
: && /data/src/LEDE/RT-AX53U-5.15.x/staging_dir/host/bin/gcc -O2 -I/data/src/LEDE/RT-AX53U-5.15.x/staging_dir/host/include -I/data/src/LEDE/RT-AX53U-5.15.x/staging_dir/hostpkg/include -I/data/src/LEDE/RT-AX53U-5.15.x/staging_dir/target-mipsel_1004kc_musl/host/include -DNDEBUG -L/data/src/LEDE/RT-AX53U-5.15.x/staging_dir/host/lib -L/data/src/LEDE/RT-AX53U-5.15.x/staging_dir/hostpkg/lib -L/data/src/LEDE/RT-AX53U-5.15.x/staging_dir/target-mipsel_1004kc_musl/host/lib   -rdynamic CMakeFiles/jshn.dir/jshn.c.o -o jshn  -Wl,-rpath,/data/src/LEDE/RT-AX53U-5.15.x/build_dir/hostpkg/libubox-2023-11-27-d4c3066e:  libblobmsg_json.so  -Wl,-Bstatic  -ljson-c  -Wl,-Bdynamic  libubox.so && :
/usr/bin/ld: libubox.so: undefined reference to `shm_unlink'
/usr/bin/ld: libubox.so: undefined reference to `shm_open'
collect2: error: ld returned 1 exit status
[45/46] Building C object CMakeFiles/json_script.dir/json_script.c.o
ninja: build stopped: subcommand failed.
make[2]: *** [Makefile:117: /data/src/LEDE/RT-AX53U-5.15.x/build_dir/hostpkg/libubox-2023-11-27-d4c3066e/.built] Error 1
make[2]: Leaving directory '/data/src/LEDE/RT-AX53U-5.15.x/package/libs/libubox'

Regards,
Hartmut