checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking for gcc option to accept ISO C99... none needed
checking whether gcc supports -std=gnu11... yes
checking for a sed that does not truncate output... sed
checking for a Lua interpreter with version >= 5.3... none
configure: error: Lua >= 5.3 is required to build with Lua support. No other version is supported.

tests/lib/test_frrlua.c:63:26: warning: unused variable 'ifp_b' [-Wunused-variable]
   63 |         struct interface ifp_b = ifp_a;
      |                          ^~~~~
tests/lib/test_frrlua.c:62:26: warning: unused variable 'ifp_a' [-Wunused-variable]
   62 |         struct interface ifp_a = {};
      |                          ^~~~~
tests/lib/test_frrlua.c:52:23: warning: unused variable 'p_a' [-Wunused-variable]
   52 |         struct prefix p_a;
      |                       ^~~
gmake: *** [Makefile:14691: tests/lib/test_frrlua-test_frrlua.o] Error 1

tests/lib/test_frrlua.c:63:26: warning: unused variable 'ifp_b' [-Wunused-variable]
   63 |         struct interface ifp_b = ifp_a;
      |                          ^~~~~
tests/lib/test_frrlua.c:62:26: warning: unused variable 'ifp_a' [-Wunused-variable]
   62 |         struct interface ifp_a = {};
      |                          ^~~~~
tests/lib/test_frrlua.c:52:23: warning: unused variable 'p_a' [-Wunused-variable]
   52 |         struct prefix p_a;
      |                       ^~~
gmake: *** [Makefile:14691: tests/lib/test_frrlua-test_frrlua.o] Error 1