fixed. Support buulding in 1 binary

build.sh

@@ -1,6 +1,8 @@
 #!/bin/sh
+CFLAGS=-s -Os -Wextra -Wall -pedantic
+CC=cc
 
 for i in $(ls src); do
 	echo "CC $i"
-	cc -s -Os -Wextra -Wall -pedantic -I. -Iinclude src/$i -o bin/$(basename $i .c)
+	$CC $CFLAGS -Iconfigs -Iinclude src/$i -o bin/$(basename $i .c)
 done