fix: linking library glfw, whilst the library compilation produces libglfw3.

This slight discrepancy is a tad annoying, since it doesn't work
backwards so it uses my system's version. But we'll figure something for
that out later... probably.

Makefile

@@ -24,7 +24,7 @@ LDFLAGS  += -fsanitize=address -ftrapv
 endif
 CPPFLAGS += -Iinclude -Ilib/glad/include -Ilib/glfw/include -Ilib/libarchive/libarchive
 LDFLAGS  += -Llib/obj/glfw/src -Llib/obj/libarchive/libarchive
-LDLIBS   += -lm -lglfw -larchive
+LDLIBS   += -lm -lglfw3 -larchive
 
 # detect if we're compiling on Windows, meaning
 # a lot of things considered "standard" are unavailable.
@@ -38,7 +38,7 @@ endif
 # find all the source files using wildcards
 # NOTE: MS-DOS and MS-Windows uses backslash `\`, this might break.
 RES  := $(wildcard res/*)
-SRC  := $(wildcard src/*.c src/*/*.c src/*/*/*.c src/*/*/*/*.c src/*/*/*/*/*.c src/*/*/*/*/*/*.c src/*/*/*/*/*/*/*.c src/*/*/*/*/*/*/*/*.c) lib/glad/gl.c
+SRC  := $(wildcard src/*.c src/*/*.c src/*/*/*.c src/*/*/*/*.c src/*/*/*/*/*.c src/*/*/*/*/*/*.c src/*/*/*/*/*/*/*.c src/*/*/*/*/*/*/*/*.c) lib/glad/src/gl.c
 OBJ  := $(SRC:%.c=obj/%.o) $(RES:%=obj/%.o)
 TSRC := $(wildcard test/*.c test/*/*.c test/*/*/*.c test/*/*/*/*.c test/*/*/*/*/*.c test/*/*/*/*/*/*.c test/*/*/*/*/*/*/*.c test/*/*/*/*/*/*/*/*.c)
 TOBJ := $(TSRC:%.c=obj/%.o)
@@ -74,6 +74,7 @@ bin/TEST_$(NAME): $(TOBJ) $(filter-out main.o,$(OBJ))
 
 obj/res/%.o: res/%
 	$(info [LD]	$@)
+	@mkdir -p $(@D)
 	@$(LD) -r -b binary -o $@ $<
 
 obj/%.o: %.c