Hi,

daq/experimental recently started to FTBFS, due to some updated
build-essential toolchain package or build dependency.
(My previous build attempt was on 2021-03-13 and successful.)

libtool: link: gcc -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -Wnested-externs -I../api -g -O2 -ffile-prefix-map=/build/daq-3.0.0-alpha5=. -fstack-protector-strong -Wformat -Werror=format-security -Wl,--wrap -Wl,printf -Wl,--wrap -Wl,__printf_chk -Wl,--wrap -Wl,fprintf -Wl,--wrap -Wl,__fprintf_chk -Wl,--wrap -Wl,opendir -Wl,--wrap -Wl,readdir -Wl,--wrap -Wl,closedir -Wl,--wrap -Wl,stat -Wl,--wrap -Wl,__xstat -Wl,--wrap -Wl,dlopen -Wl,--wrap -Wl,dlsym -Wl,--wrap -Wl,dlclose -Wl,-z -Wl,relro -o api_base_test api_base_test-api_base_test.o api_base_test-daq_test_module.o api_base_test-mock_stdio.o  ../api/.libs/libdaq.a -ldl -lcmocka
/usr/bin/ld: ../api/.libs/libdaq.a(libdaq_la-daq_base.o): in function `daq_load_dynamic_module':
./api/daq_base.c:204: undefined reference to `__wrap_stat'
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:640: api_base_test] Error 1

Andreas