merged with ultrasm64

.gitignore

@@ -75,6 +75,10 @@ build/*
 
 !/lib/*.a
 lib/libs2d_engine.a
+!/lib/gcclib/*.a
+!/lib/gcclib/divbreak/*.a
+!/lib/gcclib/nocheck/*.a
+!/lib/gcclib/trap/*.a
 !/lib/n64/*.a
 !/lib/ique/*.a
 

Makefile

@@ -42,6 +42,14 @@ COMPILER ?= gcc
 $(eval $(call validate-option,COMPILER,gcc))
 
 
+# LIBGCCDIR - selects the libgcc configuration for checking for dividing by zero
+#   trap - GCC default behavior, uses teq instructions which some emulators don't like
+#   divbreak - this is similar to IDO behavior, and is default.
+#   nocheck - never checks for dividing by 0. Technically fastest, but also UB so not recommended
+LIBGCCDIR ?= divbreak
+$(eval $(call validate-option,LIBGCCDIR,trap divbreak nocheck))
+
+
 # SAVETYPE - selects the save type
 #   eep4k - uses EEPROM 4kbit
 #   eep16k - uses EEPROM 16kbit (There aren't any differences in syntax, but this is provided just in case)
@@ -128,7 +136,7 @@ else ifeq ($(GRUCODE),super3d) # Super3D
   DEFINES += SUPER3D_GBI=1 F3D_NEW=1
 endif
 
-LIBRARIES := gcc nustd hvqm2 z goddard
+LIBRARIES := nustd hvqm2 z goddard
 
 # TEXT ENGINES
 #   s2dex_text_engine - Text Engine by someone2639
@@ -409,7 +417,7 @@ DEF_INC_CFLAGS := $(foreach i,$(INCLUDE_DIRS),-I$(i)) $(C_DEFINES)
 # C compiler options
 CFLAGS = -G 0 $(OPT_FLAGS) $(TARGET_CFLAGS) $(MIPSISET) $(DEF_INC_CFLAGS)
 ifeq ($(COMPILER),gcc)
-  CFLAGS += -mno-shared -march=vr4300 -mfix4300 -mabi=32 -mhard-float -mdivide-breaks -fno-stack-protector -fno-common -fno-zero-initialized-in-bss -fno-PIC -mno-abicalls -fno-strict-aliasing -fno-inline-functions -ffreestanding -fwrapv -Wall -Wextra
+  CFLAGS += -mno-shared -march=vr4300 -mfix4300 -mabi=32 -mhard-float -mdivide-breaks -fno-stack-protector -fno-common -fno-zero-initialized-in-bss -fno-PIC -mno-abicalls -fno-strict-aliasing -fno-inline-functions -ffreestanding -fwrapv -Wall -Wextra -Wno-missing-braces
 else
   CFLAGS += -non_shared -Wab,-r4300_mul -Xcpluscomm -Xfullwarn -signed -32
 endif
@@ -757,7 +765,7 @@ $(BUILD_DIR)/libz.a: $(LIBZ_O_FILES)
 # Link SM64 ELF file
 $(ELF): $(O_FILES) $(YAY0_OBJ_FILES) $(SEG_FILES) $(BUILD_DIR)/$(LD_SCRIPT) undefined_syms.txt $(BUILD_DIR)/libz.a $(BUILD_DIR)/libgoddard.a
 	@$(PRINT) "$(GREEN)Linking ELF file:  $(BLUE)$@ $(NO_COL)\n"
-	$(V)$(LD) --gc-sections -L $(BUILD_DIR) -T undefined_syms.txt -T $(BUILD_DIR)/$(LD_SCRIPT) -Map $(BUILD_DIR)/sm64.$(VERSION).map --no-check-sections $(addprefix -R ,$(SEG_FILES)) -o $@ $(O_FILES) -L$(LIBS_DIR) -l$(ULTRALIB) -Llib $(LINK_LIBRARIES) -u sprintf -u osMapTLB
+	$(V)$(LD) --gc-sections -L $(BUILD_DIR) -T undefined_syms.txt -T $(BUILD_DIR)/$(LD_SCRIPT) -Map $(BUILD_DIR)/sm64.$(VERSION).map --no-check-sections $(addprefix -R ,$(SEG_FILES)) -o $@ $(O_FILES) -L$(LIBS_DIR) -l$(ULTRALIB) -Llib $(LINK_LIBRARIES) -u sprintf -u osMapTLB -Llib/gcclib/$(LIBGCCDIR) -lgcc
 
 # Build ROM
 $(ROM): $(ELF)