Build Error

[Miqueas]

This is the problem:

$ make
Scanning dependencies of target cmod_archive
[ 16%] Building C object CMakeFiles/cmod_archive.dir/ar.c.o
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c: In function ‘luaopen_archive’:
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:42:12: error: unknown type name ‘lua_reg’
     static lua_reg fns[] = {
            ^~~~~~~
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:9: warning: braces around scalar initializer
         { "version",     ar_version },
         ^
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:9: note: (near initialization for ‘fns[0]’)
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:11: warning: initialization of ‘int’ from ‘char *’ makes integer from pointer without a cast [-Wint-conversion]
         { "version",     ar_version },
           ^~~~~~~~~
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:11: note: (near initialization for ‘fns[0]’)
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:11: error: initializer element is not computable at load time
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:11: note: (near initialization for ‘fns[0]’)
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:26: warning: excess elements in scalar initializer
         { "version",     ar_version },
                          ^~~~~~~~~~
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:43:26: note: (near initialization for ‘fns[0]’)
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:44:9: warning: braces around scalar initializer
         { NULL, NULL }
         ^
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:44:9: note: (near initialization for ‘fns[1]’)
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:44:11: warning: initialization of ‘int’ from ‘void *’ makes integer from pointer without a cast [-Wint-conversion]
         { NULL, NULL }
           ^~~~
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:44:11: note: (near initialization for ‘fns[1]’)
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:44:17: warning: excess elements in scalar initializer
         { NULL, NULL }
                 ^~~~
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:44:17: note: (near initialization for ‘fns[1]’)
/home/miqueas/Downloads/Compressed/lua-archive-master/ar.c:47:5: warning: implicit declaration of function ‘luaL_register’; did you mean ‘lua_register’? [-Wimplicit-function-declaration]
     luaL_register(L, NULL, fns);
     ^~~~~~~~~~~~~
     lua_register
CMakeFiles/cmod_archive.dir/build.make:62: fallo en las instrucciones para el objetivo 'CMakeFiles/cmod_archive.dir/ar.c.o'
make[2]: *** [CMakeFiles/cmod_archive.dir/ar.c.o] Error 1
CMakeFiles/Makefile2:611: fallo en las instrucciones para el objetivo 'CMakeFiles/cmod_archive.dir/all'
make[1]: *** [CMakeFiles/cmod_archive.dir/all] Error 2
Makefile:138: fallo en las instrucciones para el objetivo 'all'
make: *** [all] Error 2

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