diff --git a/project/common.mk b/project/common.mk
index 4b72987..8ddfc8f 100644
--- a/project/common.mk
+++ b/project/common.mk
@@ -1,7 +1,27 @@
 API_SRCS = \
-
-INTERNAL_SRCS = \
+	$(SOURCE_DIR)/src/logic/arch.c \
+	$(SOURCE_DIR)/src/logic/buf.c \
+	$(SOURCE_DIR)/src/logic/compat.c \
+	$(SOURCE_DIR)/src/logic/cond.c \
+	$(SOURCE_DIR)/src/logic/dir.c \
+	$(SOURCE_DIR)/src/logic/enum.c \
+	$(SOURCE_DIR)/src/logic/for.c \
+	$(SOURCE_DIR)/src/logic/hash.c \
+	$(SOURCE_DIR)/src/logic/job.c \
+	$(SOURCE_DIR)/src/logic/lst.c \
+	$(SOURCE_DIR)/src/logic/main.c \
+	$(SOURCE_DIR)/src/logic/make_malloc.c \
+	$(SOURCE_DIR)/src/logic/meta.c \
+	$(SOURCE_DIR)/src/logic/metachar.c \
+	$(SOURCE_DIR)/src/logic/parse.c \
+	$(SOURCE_DIR)/src/logic/str.c \
+	$(SOURCE_DIR)/src/logic/suff.c \
+	$(SOURCE_DIR)/src/logic/targ.c \
+	$(SOURCE_DIR)/src/logic/trace.c \
+	$(SOURCE_DIR)/src/logic/util.c \
+	$(SOURCE_DIR)/src/logic/var.c \
 
 APP_SRCS = \
+	$(SOURCE_DIR)/src/make.c
 
 COMMON_SRCS = $(API_SRCS) $(INTERNAL_SRCS)
diff --git a/project/headers.mk b/project/headers.mk
index 9d50ee3..872f706 100644
--- a/project/headers.mk
+++ b/project/headers.mk
@@ -1,5 +1,18 @@
-API_HEADERS = \
-
 INTERNAL_HEADERS = \
+	$(SOURCE_DIR)/src/internal/buf.h \
+	$(SOURCE_DIR)/src/internal/config.h \
+	$(SOURCE_DIR)/src/internal/dir.h \
+	$(SOURCE_DIR)/src/internal/enum.h \
+	$(SOURCE_DIR)/src/internal/hash.h \
+	$(SOURCE_DIR)/src/internal/job.h \
+	$(SOURCE_DIR)/src/internal/lst.h \
+	$(SOURCE_DIR)/src/internal/make.h \
+	$(SOURCE_DIR)/src/internal/make_malloc.h \
+	$(SOURCE_DIR)/src/internal/metachar.h \
+	$(SOURCE_DIR)/src/internal/meta.h \
+	$(SOURCE_DIR)/src/internal/nonints.h \
+	$(SOURCE_DIR)/src/internal/pathnames.h \
+	$(SOURCE_DIR)/src/internal/str.h \
+	$(SOURCE_DIR)/src/internal/trace.h \
 
 ALL_HEADERS = $(API_HEADERS) $(INTERNAL_HEADERS)