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-rw-r--r--Make.config52
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1# -*- makefile -*-
2
3SHELL = /bin/sh
4
5VPATH = $(SRCDIR)
6
7# Binary utilities.
8# If the host appears to be x86, use the normal tools.
9# If it's x86-64, use the compiler and linker in 32-bit mode.
10# Otherwise assume cross-tools are installed as i386-elf-*.
11X86 = i.86\|pentium.*\|[pk][56]\|nexgen\|viac3\|6x86\|athlon.*\|i86pc
12X86_64 = x86_64
13ifneq (0, $(shell expr `uname -m` : '$(X86)'))
14 CC = gcc
15 LD = ld
16 OBJCOPY = objcopy
17else
18 ifneq (0, $(shell expr `uname -m` : '$(X86_64)'))
19 CC = gcc -m32
20 LD = ld -melf_i386
21 OBJCOPY = objcopy
22 else
23 CC = i386-elf-gcc
24 LD = i386-elf-ld
25 OBJCOPY = i386-elf-objcopy
26 endif
27endif
28
29ifeq ($(strip $(shell command -v $(CC) 2> /dev/null)),)
30$(warning *** Compiler ($(CC)) not found. Did you set $$PATH properly? Please refer to the Getting Started section in the documentation for details. ***)
31endif
32
33# Compiler and assembler invocation.
34DEFINES =
35WARNINGS = -Wall -W -Wstrict-prototypes -Wmissing-prototypes -Wsystem-headers
36CFLAGS = -g -msoft-float -O
37CPPFLAGS = -nostdinc -I$(SRCDIR) -I$(SRCDIR)/lib
38ASFLAGS = -Wa,--gstabs
39LDFLAGS =
40DEPS = -MMD -MF $(@:.o=.d)
41
42# Turn off -fstack-protector, which we don't support.
43CFLAGS += -fno-stack-protector
44
45# Turn off --build-id in the linker, which confuses the Pintos loader.
46LDFLAGS += -Wl,--build-id=none
47
48%.o: %.c
49 $(CC) -c $< -o $@ $(CFLAGS) $(CPPFLAGS) $(WARNINGS) $(DEFINES) $(DEPS)
50
51%.o: %.S
52 $(CC) -c $< -o $@ $(ASFLAGS) $(CPPFLAGS) $(DEFINES) $(DEPS)