kern

annotate Makefile @ 14:a5176aa334c3

ha!
author John Tsiombikas <nuclear@member.fsf.org>
date Wed, 23 Feb 2011 01:21:18 +0200
parents 611b2d66420b
children 2cbc2b922e49
rev   line source
nuclear@0 1 # collect all of our C and assembly source files
nuclear@10 2 csrc = $(wildcard src/boot/*.c) $(wildcard src/*.c) $(wildcard src/klibc/*.c)
nuclear@10 3 asmsrc = $(wildcard src/boot/*.S) $(wildcard src/*.S) $(wildcard src/klibc/*.S)
nuclear@7 4 dep = $(asmsrc:.S=.d) $(csrc:.c=.d)
nuclear@0 5
nuclear@0 6 # each source file will generate one object file
nuclear@2 7 obj = $(asmsrc:.S=.o) $(csrc:.c=.o)
nuclear@0 8
nuclear@0 9 CC = gcc
nuclear@0 10
nuclear@0 11 # -nostdinc instructs the compiler to ignore standard include directories
nuclear@0 12 # -m32 instructs the compiler to produce 32bit code (in case we have a 64bit compiler)
nuclear@0 13 CFLAGS = -m32 -Wall -g -nostdinc -fno-builtin -Isrc -Isrc/klibc
nuclear@0 14 ASFLAGS = -m32 -g -nostdinc -fno-builtin -Isrc -Isrc/klibc
nuclear@0 15
nuclear@0 16 bin = kernel.elf
nuclear@0 17
nuclear@0 18 # default target: make an ELF binary by linking the object files
nuclear@1 19 # we need to specify where to assume the text section (code) is going
nuclear@1 20 # in memory, as well as the kernel entry point (kentry).
nuclear@0 21 $(bin): $(obj)
nuclear@10 22 ld -melf_i386 -o $@ -Ttext 0x100000 -e kentry $(obj) -Map link.map
nuclear@0 23
nuclear@7 24 -include $(dep)
nuclear@7 25
nuclear@7 26 %.d: %.c
nuclear@7 27 @$(CPP) $(CFLAGS) -MM -MT $(@:.d=.o) $< >$@
nuclear@7 28
nuclear@7 29 %.d: %.S
nuclear@7 30 @$(CPP) $(ASFLAGS) -MM -MT $(@:.d=.o) $< >$@
nuclear@7 31
nuclear@0 32 .PHONY: clean
nuclear@0 33 clean:
nuclear@0 34 rm -f $(obj) $(bin)
nuclear@7 35
nuclear@7 36 .PHONY: cleandep
nuclear@7 37 cleandep:
nuclear@7 38 rm -f $(dep)