/arch/ppc64/kernel/vdso64/Makefile

 1# List of files in the vdso, has to be asm only for now
 2
 3obj-vdso64 = sigtramp.o gettimeofday.o datapage.o cacheflush.o
 4
 5# Build rules
 6
 7targets := $(obj-vdso64) vdso64.so
 8obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))
 9
10EXTRA_CFLAGS := -shared -s -fno-common -fno-builtin
11EXTRA_CFLAGS +=  -nostdlib -Wl,-soname=linux-vdso64.so.1
12EXTRA_AFLAGS := -D__VDSO64__ -s
13
14obj-y += vdso64_wrapper.o
15extra-y += vdso64.lds
16CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
17
18# Force dependency (incbin is bad)
19$(obj)/vdso64_wrapper.o : $(obj)/vdso64.so
20
21# link rule for the .so file, .lds has to be first
22$(obj)/vdso64.so: $(src)/vdso64.lds $(obj-vdso64)
23	$(call if_changed,vdso64ld)
24
25# assembly rules for the .S files
26$(obj-vdso64): %.o: %.S
27	$(call if_changed_dep,vdso64as)
28
29# actual build commands
30quiet_cmd_vdso64ld = VDSO64L $@
31      cmd_vdso64ld = $(CC) $(c_flags) -Wl,-T $^ -o $@
32quiet_cmd_vdso64as = VDSO64A $@
33      cmd_vdso64as = $(CC) $(a_flags) -c -o $@ $<
34
35