@@ -1,7 +1,7 @@
 cmake_minimum_required(VERSION 2.6)
 project(GBAc)
-set(CMAKE_C_FLAGS_DEBUG "-g -Wall -Wextra -Wno-unused -Werror --std=gnu99")
-set(CMAKE_C_FLAGS_RELEASE "-O3 -Wall -Wextra -Wno-unused -Werror --std=gnu99")
+set(CMAKE_C_FLAGS_DEBUG "-g -Wall -Wextra -Werror --std=gnu99")
+set(CMAKE_C_FLAGS_RELEASE "-O3 -Wall -Wextra -Werror --std=gnu99")
 file(GLOB ARM_SRC ${CMAKE_SOURCE_DIR}/src/arm/*.c)
 file(GLOB GBA_SRC ${CMAKE_SOURCE_DIR}/src/gba/*.c)
 file(GLOB RENDERER_SRC ${CMAKE_SOURCE_DIR}/src/gba/renderers/*.c)

@@ -342,6 +342,7 @@
 #define DEFINE_LOAD_STORE_MULTIPLE_EX_THUMB(NAME, RN, ADDRESS, LOOP, BODY, OP, PRE_BODY, POST_BODY, WRITEBACK) \
 	DEFINE_INSTRUCTION_THUMB(NAME, \
 		int rn = RN; \
+		UNUSED(rn); \
 		int rs = opcode & 0xFF; \
 		int32_t address = ADDRESS; \
 		int m; \

@@ -435,6 +435,7 @@ int ws1seq = (parameters & 0x0080) >> 7;
 	int ws2 = (parameters & 0x0300) >> 8;
 	int ws2seq = (parameters & 0x0400) >> 10;
 	int prefetch = parameters & 0x4000;
+	(void)(prefetch);
 
 	memory->waitstates16[REGION_CART_SRAM] =  GBA_ROM_WAITSTATES[sram];
 	memory->waitstatesSeq16[REGION_CART_SRAM] = GBA_ROM_WAITSTATES[sram];

@@ -304,8 +304,6 @@ }
 }
 
 static void _drawScanline(struct GBAVideoSoftwareRenderer* renderer, int y) {
-	uint32_t* row = renderer->row;
-
 	int i;
 	if (renderer->dispcnt.objEnable) {
 		for (i = 0; i < 128; ++i) {
@@ -399,7 +397,7 @@ localY = 7 - (inY & 0x7); \
 	}
 
 #define BACKGROUND_MODE_0_TILE_16_LOOP(TYPE) \
-	for (tileX; tileX < 30; ++tileX) { \
+	for (; tileX < 30; ++tileX) { \
 		BACKGROUND_TEXT_SELECT_CHARACTER; \
 		charBase = ((background->charBase + (mapData.tile << 5)) >> 2) + localY; \
 		uint32_t tileData = ((uint32_t*)renderer->d.vram)[charBase]; \
@@ -446,7 +444,7 @@ } \
 	}
 
 #define BACKGROUND_MODE_0_TILE_256_LOOP(TYPE) \
-		for (tileX; tileX < 30; ++tileX) { \
+		for (; tileX < 30; ++tileX) { \
 			BACKGROUND_TEXT_SELECT_CHARACTER; \
 			charBase = ((background->charBase + (mapData.tile << 6)) >> 2) + (localY << 1); \
 			if (!mapData.hflip) { \
@@ -509,9 +507,7 @@ } \
 		}
 
 static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, struct GBAVideoSoftwareBackground* background, int y) {
-	int start = renderer->start;
-	int end = renderer->end;
-	int inX = start + background->x;
+	int inX = background->x;
 	int inY = y + background->y;
 	union GBATextMapData mapData;
 

@@ -137,7 +137,7 @@ struct timespec ts;
 				gettimeofday(&tv, 0);
 				ts.tv_sec = tv.tv_sec;
 				ts.tv_nsec = tv.tv_usec * 1000 + 800000;
-				int err = pthread_cond_timedwait(&renderer->d.upCond, &renderer->d.mutex, &ts);
+				err = pthread_cond_timedwait(&renderer->d.upCond, &renderer->d.mutex, &ts);
 				if (err == ETIMEDOUT) {
 					break;
 				}