Build failure related to C allocator

[Morilli]

Hey, I was trying to build this using the provided makefile and ran into the following build error:

$ make
cd editor && zig build
/snap/zig/11625/lib/std/heap.zig:38:13: error: C allocator is only available when linking against libc
            @compileError("C allocator is only available when linking against libc");
            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/snap/zig/11625/lib/std/c/linux.zig:295:12: error: dependency on libc must be explicitly specified in the build command
pub extern "c" fn malloc_usable_size(?*const anyopaque) usize;
           ^~~
/snap/zig/11625/lib/std/c/linux.zig:294:12: error: dependency on libc must be explicitly specified in the build command
pub extern "c" fn posix_memalign(memptr: *?*anyopaque, alignment: usize, size: usize) c_int;
           ^~~
/snap/zig/11625/lib/std/c.zig:1732:12: error: dependency on libc must be explicitly specified in the build command
pub extern "c" fn free(?*anyopaque) void;
           ^~~
make: *** [Makefile:3: zig] Error 2

I tried this on both windows and (wsl) ubuntu, but both give the same error. My zig version is 0.13.0.