nsterm.m: In function ‘ns_term_init’:
nsterm.m:5403:11: warning: ‘NSColorList’ may not respond to ‘-writeToURL:error:’
 5403 |           [cl writeToURL:nil error:nil];
      |           ^
nsterm.m:5403:11: warning: (messages without a matching method signature will be assumed to return ‘id’ and accept ‘...’ as arguments)
nsterm.m: In function ‘-[EmacsView insertText:]’:
nsterm.m:6492:3: error: ‘for’ loop initial declarations are only allowed in C99 or C11 mode
 6492 |   for (NSUInteger i = 0; i < len; i++)
      |   ^~~
nsterm.m:6492:3: note: use option ‘-std=c99’, ‘-std=gnu99’, ‘-std=c11’ or ‘-std=gnu11’ to compile your code
nsterm.m: In function ‘-[EmacsView drawRect:]’:
nsterm.m:8270:3: error: ‘for’ loop initial declarations are only allowed in C99 or C11 mode
 8270 |   for (int i = 0 ; i < numRects ; i++)
      |   ^~~
make[1]: *** [Makefile:404: nsterm.o] Error 1
make[1]: Leaving directory '/var/www/debian/emacs.app/27/emacs-27.1+1/src'
make: *** [Makefile:426: src] Error 2