/arch/ppc64/kernel/vdso32/Makefile

 1
 2# List of files in the vdso, has to be asm only for now
 3
 4obj-vdso32 = sigtramp.o gettimeofday.o datapage.o cacheflush.o
 5
 6# Build rules
 7
 8targets := $(obj-vdso32) vdso32.so
 9obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
10
11
12EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin
13EXTRA_CFLAGS += -nostdlib -Wl,-soname=linux-vdso32.so.1
14EXTRA_AFLAGS := -D__VDSO32__ -s
15
16obj-y += vdso32_wrapper.o
17extra-y += vdso32.lds
18CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
19
20# Force dependency (incbin is bad)
21$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
22
23# link rule for the .so file, .lds has to be first
24$(obj)/vdso32.so: $(src)/vdso32.lds $(obj-vdso32)
25	$(call if_changed,vdso32ld)
26
27# assembly rules for the .S files
28$(obj-vdso32): %.o: %.S
29	$(call if_changed_dep,vdso32as)
30
31# actual build commands
32quiet_cmd_vdso32ld = VDSO32L $@
33      cmd_vdso32ld = $(CROSS32CC) $(c_flags) -Wl,-T $^ -o $@
34quiet_cmd_vdso32as = VDSO32A $@
35      cmd_vdso32as = $(CROSS32CC) $(a_flags) -c -o $@ $<
36