commit - f189f149ec12a46aba134fffd4f6a2037936f775
commit + d06c4f189c99f40d36fcbac816e76a43981fb8ad
blob - 131859ab5564ca406a2ea6c5b7f86e4426cf6f54
blob + 0e4dff0c64187d6ec7dfd3fc044412fe5a8401a1
--- make/TODO.md
+++ make/TODO.md
@@ -26,12 +26,7 @@ CFLAGS = -ansi
 CFLAGS += -Wall
 ```
 
-## `:=`: Immediate Assignment (easy)
-```make
-MACRO := value
-```
 
-
 # Doc comments for help page
 ```make
 ## build the code base
@@ -152,3 +147,4 @@ This must be defined at the top of the file.
 ## Write a tutorial on how to correctly use this make
 ## Write a specification
 ## Create a freestanding version, written in Rust, so that other projects can use this make
+# `.include xxx, DIR, Makefile`
blob - 3494a1ee27a939370511b000898abcb8ef4b5f1d
blob + 85cd67900fe13f3370fd526c22746bd89bc84121
--- make/make.c
+++ make/make.c
@@ -799,6 +799,11 @@ char *path;
 					m->value = strdup (trim (t + 1));
 				}
 				m->lazy = 1;
+			} else if (t[-1] == ':') {
+				// handle both `:=` and `::=`
+				t[t[-2] == ':' ? -2 : -1] = '\0';
+				m->lazy = 0;
+				m->value = strdup (trim (expand (sc, trim (t + 1), NULL, NULL)));
 			} else {
 				m->lazy = 1;
 				m->value = strdup (trim (t + 1));