Annotation of dietlibc/Makefile, revision 1.2
1.1 cvs 1: all: start.o dietlibc.a elftrunc
2:
3: ARCH=$(shell uname -m | sed 's/i[4-9]86/i386/')
4:
5: CFLAGS=-pipe
6: CROSS=
7:
8: VPATH=syscalls.c
9:
10: SYSCALLOBJ=$(patsubst syscalls.s/%.S,%.o,$(wildcard syscalls.s/*.S))
11:
12: LIBOBJ=$(patsubst lib/%.c,%.o,$(wildcard lib/*.c))
13:
14: include $(ARCH)/Makefile.add
15:
16: ifeq ($(CFLAGS),-pipe)
17: CFLAGS+=-O -fomit-frame-pointer
18: endif
19:
20: #CFLAGS += -g
21: CFLAGS += -Wall
22:
23: .SUFFIXES:
24: .SUFFIXES: .S .c
25:
1.2 ! olaf 26: % :: %,v
1.1 cvs 27:
28: %.o: %.S
29: $(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
30:
31: %.o: %.c
32: $(CROSS)gcc -I. -Iinclude $(CFLAGS) -c $<
33: # $(CROSS)strip -x -R .comment -R .note $@
34:
35: DIETLIBC_OBJ = $(SYSCALLOBJ) $(LIBOBJ) \
36: __longjmp.o setjmp.o unified.o mmap.o clone.o
37:
38: dietlibc.a: $(DIETLIBC_OBJ) start.o
39: $(CROSS)ar cru dietlibc.a $(DIETLIBC_OBJ)
40:
41: libdietc.so: dietlibc.a
42: $(CROSS)ld -whole-archive -shared -o $@ $^
43:
44: $(SYSCALLOBJ): syscalls.h
45:
46: elftrunc: contrib/elftrunc.c start.o dietlibc.a
47: $(CROSS)gcc $(CFLAGS) -nostdlib -o $@ $^
48:
49: djb: compile load
50:
51: compile:
52: echo 'exec gcc $(CFLAGS) -I$(HOME)/projects/dietlibc/include -c $${1+"$$@"}' > $@
53: chmod 755 $@
54:
55: load:
56: echo 'main="$$1"; shift; exec gcc -nostdlib -o "$$main" $(HOME)/projects/dietlibc/start.o "$$main".o $${1+"$$@"} $(HOME)/projects/dietlibc/dietlibc.a -lgcc' > $@
57: chmod 755 $@
58:
59: clean:
60: rm -f *.o *.a t t1 compile load elftrunc exports mapfile libdietc.so
61: $(MAKE) -C examples clean
62:
63: tar: clean
64: cd .. && tar cvvf dietlibc.tar.bz2 dietlibc --use=bzip2
65:
66: exports: dietlibc.a
67: nm -g dietlibc.a | grep -w T | awk '{ print $$3 }' | sort -u > exports
68:
69: .PHONY: t t1
70: t:
71: $(CROSS)gcc -g $(CFLAGS) -fno-builtin -nostdlib -Iinclude -o t t.c start.o dietlibc.a -lgcc -Wl,-Map,mapfile
72:
73: t1:
74: $(CROSS)gcc -g -o t1 t.c
75:
76: install:
77: cp start.o $(prefix)/lib/dietstart.o
78: cp dietlibc.a $(prefix)/lib/libdietc.a
79:
80: .PHONY: sparc ppc mips arm alpha i386
81:
82: sparc ppc alpha i386:
83: $(MAKE) ARCH=$@ CROSS=$@-linux- all t libdietc.so
84:
85: mips arm:
86: $(MAKE) ARCH=$@ CROSS=$@-linux-gnu- all t libdietc.so
87:
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