diff --git a/Makefile b/Makefile
index 9082680c8c..5eaf4cf0bc 100644
--- a/Makefile
+++ b/Makefile
@@ -4,6 +4,7 @@ GAME_CODE   := BPEE
 MAKER_CODE  := 01
 REVISION    := 0
 MODERN      ?= 0
+KEEP_TEMPS  ?= 0
 
 # `File name`.gba ('_modern' will be appended to the modern builds)
 FILE_NAME := pokeemerald
@@ -256,18 +257,18 @@ include audio_rules.mk
 
 generated: $(AUTO_GEN_TARGETS)
 
-%.s: ;
+%.s:   ;
 %.png: ;
 %.pal: ;
 %.aif: ;
 
-%.1bpp: %.png  ; $(GFX) $< $@
-%.4bpp: %.png  ; $(GFX) $< $@
-%.8bpp: %.png  ; $(GFX) $< $@
-%.gbapal: %.pal ; $(GFX) $< $@
-%.gbapal: %.png ; $(GFX) $< $@
-%.lz: % ; $(GFX) $< $@
-%.rl: % ; $(GFX) $< $@
+%.1bpp:   %.png  ; $(GFX) $< $@
+%.4bpp:   %.png  ; $(GFX) $< $@
+%.8bpp:   %.png  ; $(GFX) $< $@
+%.gbapal: %.pal  ; $(GFX) $< $@
+%.gbapal: %.png  ; $(GFX) $< $@
+%.lz:     %      ; $(GFX) $< $@
+%.rl:     %      ; $(GFX) $< $@
 
 # NOTE: Tools must have been built prior (FIXME)
 generated: tools $(AUTO_GEN_TARGETS)
@@ -305,7 +306,7 @@ endef
 # $1: Output file without extension, $2 input file, $3 temp path (if keeping)
 define C_DEP_IMPL
 $1.o: $2
-ifeq (,$(KEEP_TEMPS))
+ifneq ($(KEEP_TEMPS),1)
 	@echo "$$(CC1) <flags> -o $$@ $$<"
 	@$$(CPP) $$(CPPFLAGS) $$< | $$(PREPROC) -i $$< charmap.txt | $$(CC1) $$(CFLAGS) -o - - | cat - <(echo -e ".text\n\t.align\t2, 0") | $$(AS) $$(ASFLAGS) -o $$@ -
 else
@@ -314,15 +315,11 @@ else
 	@echo -e ".text\n\t.align\t2, 0\n" >> $3.s
 	$$(AS) $$(ASFLAGS) -o $$@ $3.s
 endif
-$(call C_SCANINC,$1,$2)
-endef
-# Calls SCANINC to find dependencies
-define C_SCANINC
-ifneq ($(NODEP),1)
-$1.o: $1.d
 $1.d: $2
 	$(SCANINC) -M $1.d $(INCLUDE_SCANINC_ARGS) -I tools/agbcc/include $2
-include $1.d
+ifneq ($(NODEP),1)
+$1.o: $1.d
+-include $1.d
 endif
 endef
 
@@ -352,7 +349,7 @@ ifneq ($(NODEP),1)
 $1.o: $1.d
 $1.d: $2
 	$(SCANINC) -M $1.d $(INCLUDE_SCANINC_ARGS) -I "" $2
-include $1.d
+-include $1.d
 endif
 endef
 
diff --git a/tools/mapjson/json11.cpp b/tools/mapjson/json11.cpp
index 1da530206b..3ac5f392a0 100644
--- a/tools/mapjson/json11.cpp
+++ b/tools/mapjson/json11.cpp
@@ -33,7 +33,6 @@ using std::vector;
 using std::map;
 using std::make_shared;
 using std::initializer_list;
-using std::move;
 
 /* Helper for representing null - just a do-nothing struct, plus comparison
  * operators so the helpers in JsonValue work. We can't use nullptr_t because
@@ -149,7 +148,7 @@ protected:
 
     // Constructors
     explicit Value(const T &value) : m_value(value) {}
-    explicit Value(T &&value)      : m_value(move(value)) {}
+    explicit Value(T &&value)      : m_value(std::move(value)) {}
 
     // Get type tag
     Json::Type type() const override {
@@ -196,7 +195,7 @@ class JsonString final : public Value<Json::STRING, string> {
     const string &string_value() const override { return m_value; }
 public:
     explicit JsonString(const string &value) : Value(value) {}
-    explicit JsonString(string &&value)      : Value(move(value)) {}
+    explicit JsonString(string &&value)      : Value(std::move(value)) {}
 };
 
 class JsonArray final : public Value<Json::ARRAY, Json::array> {
@@ -204,7 +203,7 @@ class JsonArray final : public Value<Json::ARRAY, Json::array> {
     const Json & operator[](size_t i) const override;
 public:
     explicit JsonArray(const Json::array &value) : Value(value) {}
-    explicit JsonArray(Json::array &&value)      : Value(move(value)) {}
+    explicit JsonArray(Json::array &&value)      : Value(std::move(value)) {}
 };
 
 class JsonObject final : public Value<Json::OBJECT, Json::object> {
@@ -212,7 +211,7 @@ class JsonObject final : public Value<Json::OBJECT, Json::object> {
     const Json & operator[](const string &key) const override;
 public:
     explicit JsonObject(const Json::object &value) : Value(value) {}
-    explicit JsonObject(Json::object &&value)      : Value(move(value)) {}
+    explicit JsonObject(Json::object &&value)      : Value(std::move(value)) {}
 };
 
 class JsonNull final : public Value<Json::NUL, NullStruct> {
@@ -254,12 +253,12 @@ Json::Json(double value)               : m_ptr(make_shared<JsonDouble>(value)) {
 Json::Json(int value)                  : m_ptr(make_shared<JsonInt>(value)) {}
 Json::Json(bool value)                 : m_ptr(value ? statics().t : statics().f) {}
 Json::Json(const string &value)        : m_ptr(make_shared<JsonString>(value)) {}
-Json::Json(string &&value)             : m_ptr(make_shared<JsonString>(move(value))) {}
+Json::Json(string &&value)             : m_ptr(make_shared<JsonString>(std::move(value))) {}
 Json::Json(const char * value)         : m_ptr(make_shared<JsonString>(value)) {}
 Json::Json(const Json::array &values)  : m_ptr(make_shared<JsonArray>(values)) {}
-Json::Json(Json::array &&values)       : m_ptr(make_shared<JsonArray>(move(values))) {}
+Json::Json(Json::array &&values)       : m_ptr(make_shared<JsonArray>(std::move(values))) {}
 Json::Json(const Json::object &values) : m_ptr(make_shared<JsonObject>(values)) {}
-Json::Json(Json::object &&values)      : m_ptr(make_shared<JsonObject>(move(values))) {}
+Json::Json(Json::object &&values)      : m_ptr(make_shared<JsonObject>(std::move(values))) {}
 
 /* * * * * * * * * * * * * * * * * * * *
  * Accessors
@@ -357,7 +356,7 @@ struct JsonParser final {
      * Mark this parse as failed.
      */
     Json fail(string &&msg) {
-        return fail(move(msg), Json());
+        return fail(std::move(msg), Json());
     }
 
     template <typename T>
diff --git a/tools/scaninc/scaninc.cpp b/tools/scaninc/scaninc.cpp
index f5ee7ad6de..c1b7987a5a 100644
--- a/tools/scaninc/scaninc.cpp
+++ b/tools/scaninc/scaninc.cpp
@@ -125,7 +125,12 @@ int main(int argc, char **argv)
             if (!exists && (file.FileType() == SourceFileType::Asm || file.FileType() == SourceFileType::Inc))
             {
                 path = include;
+                if (CanOpenFile(path))
+                    exists = true;
             }
+            if (!exists)
+                continue;
+
             dependencies_includes.insert(path);
             bool inserted = dependencies.insert(path).second;
             if (inserted && exists)