diff --git a/Makefile b/Makefile
index caa1558..fcba1f5 100644
--- a/Makefile
+++ b/Makefile
@@ -10,8 +10,8 @@ main: $(subst .cpp,.o,$(CXXFILES))
 prog: main test.fp
 	./main < test.fp > forsp.ir
 	llc -march=x86 -filetype=obj --relocation-model=pic forsp.ir -O1
-	clang -c support.c -m32 -Os
-	clang support.o forsp.ir.o -m32 -Os
+	$(CC) -c support.c -m32 -Os
+	$(CC) support.o forsp.ir.o -m32 -Os
 
 clean:
 	rm -f a.out main *.ir *.o
diff --git a/README.md b/README.md
index 11c76e9..da2908c 100644
--- a/README.md
+++ b/README.md
@@ -7,11 +7,13 @@ forspll features:
 * Lisp-style S-expression syntax
 * Forth-style data stack for parameters/values
 * Linking with C functions (see `support.c`)
+* Recursion: `$self` gets pointer to current function
 
 Missing features:
 
+* Captured variables: Functions/lambdas are *not dynamic* and do not capture the state of previously declared variables
 * Quote operator: `quote`/`'`
-* Lists and atoms or any dynamic allocations
+* Built-in dynamic allocations (implement them via platform-specific `support.c`)
 
 ## Building
 
diff --git a/support.c b/support.c
index 44a39e4..44b4583 100644
--- a/support.c
+++ b/support.c
@@ -43,7 +43,7 @@ void eq()
 void cons()
 {
     int32_t *st = &stack;
-    int32_t *pair = malloc(2 * sizeof(int32_t));
+    int32_t *pair = (int32_t *)malloc(2 * sizeof(int32_t));
     --sp;
     pair[0] = st[sp];
     pair[1] = st[sp - 1];