commit - 71fe64248fa9da861f80916d4c17bc8051613255
commit + 4ad9f211ea27642003a96861098c30b3fa400ae2
blob - ff322bd4f0ab5704d552f7e807f5baaa61983563
blob + 570282543305a8987b2cdcb2523c639c25a772fe
--- make/TODO.md
+++ make/TODO.md
@@ -42,7 +42,11 @@
 
 # Options
 -q	        check if anythings needs to be built
+-i          ignore failing commands
+-e          read environment variables
 
+# Print a warning, if a generated file is not placed into `${.OBJDIR}` when building out-of-tree
+
 # Allow leaf-directories to not have a Makefile
 
 # `-include` or `sinclude`
blob - 46f64ae61f36f07450d219bc8248dabc5ed82d6d
blob + 2916fcba96c1bcd5647ad72330d64fbb0e0ba87a
--- make/make.c
+++ make/make.c
@@ -2920,11 +2920,15 @@ struct scope *sc;
 	fputs ("\nOPTIONS:\n", stderr);
 	fputs ("-C dir                        - chdir(dir)\n", stderr);
 	fputs ("-f file                       - read `file` instead of \"" MAKEFILE "\"\n", stderr);
+	fputs ("-o objdir                     - put build artifacts into objdir\n", stderr);
+	fputs ("-V var                        - print expanded version of var\n", stderr);
 	fputs ("-h                            - print help page\n", stderr);
 	fputs ("-hv                           - print help page, recursively\n", stderr);
 	fputs ("-p                            - dump tree\n", stderr);
 	fputs ("-pv                           - dump tree, recursively\n", stderr);
 	fputs ("-s                            - do not echo commands\n", stderr);
+	fputs ("-k                            - continue processing after errors are encountered\n", stderr);
+	fputs ("-S                            - stop processing when errors are encountered (default)\n", stderr);
 	fputs ("-v                            - verbose output\n", stderr);
 
 	fputs ("\nMACROS:\n", stderr);