diff --git a/src/Make.config b/src/Make.config new file mode 100644 index 0000000000000000000000000000000000000000..c590e9e15f1e09ee9ba1d4627a60860a6171e13c --- /dev/null +++ b/src/Make.config @@ -0,0 +1,63 @@ +# -*- makefile -*- + +SHELL = /bin/sh + +VPATH = $(SRCDIR) + +# Binary utilities. +# If the host appears to be x86, use the normal tools. +# If it's x86-64, use the compiler and linker in 32-bit mode. +# Otherwise assume cross-tools are installed as i386-elf-*. +X86 = i.86\|pentium.*\|[pk][56]\|nexgen\|viac3\|6x86\|athlon.*\|i86pc +X86_64 = x86_64 + +# Pintos doesn't compile/run properly using gcc 4.3+. Force 4.1 for now. +CCPROG = /usr/class/cs140/x86_64/bin/i586-elf-gcc +ifeq ($(strip $(shell command -v $(CCPROG) 2> /dev/null)),) + CCPROG = gcc +endif + +ifneq (0, $(shell expr `uname -m` : '$(X86)')) + CC = $(CCPROG) + LD = ld + OBJCOPY = objcopy +else + ifneq (0, $(shell expr `uname -m` : '$(X86_64)')) + CC = $(CCPROG) -m32 + LD = ld -melf_i386 + OBJCOPY = objcopy + else + CC = i386-elf-gcc + LD = i386-elf-ld + OBJCOPY = i386-elf-objcopy + endif +endif + +ifeq ($(strip $(shell command -v $(CC) 2> /dev/null)),) +$(warning *** Compiler ($(CC)) not found. Did you set $$PATH properly? Please refer to the Getting Started section in the documentation for details. ***) +endif + +# Compiler and assembler invocation. +DEFINES = +WARNINGS = -Wall -W -Wstrict-prototypes -Wmissing-prototypes -Wsystem-headers +CFLAGS = -g -msoft-float -O +CPPFLAGS = -nostdinc -I$(SRCDIR) -I$(SRCDIR)/lib +ASFLAGS = -Wa,--gstabs +LDFLAGS = +DEPS = -MMD -MF $(@:.o=.d) + +# Turn off -fstack-protector, which we don't support. +ifeq ($(strip $(shell echo | $(CC) -fno-stack-protector -E - > /dev/null 2>&1; echo $$?)),0) +CFLAGS += -fno-stack-protector +endif + +# Turn off --build-id in the linker, which confuses the Pintos loader. +ifeq ($(strip $(shell $(LD) --help | grep -q build-id; echo $$?)),0) +LDFLAGS += -Wl,--build-id=none +endif + +%.o: %.c + $(CC) -c $< -o $@ $(CFLAGS) $(CPPFLAGS) $(WARNINGS) $(DEFINES) $(DEPS) + +%.o: %.S + $(CC) -c $< -o $@ $(ASFLAGS) $(CPPFLAGS) $(DEFINES) $(DEPS)