xref: /linux/arch/um/scripts/Makefile.rules (revision e532c37858fdcc18e9a91d24c2e22cd21aa22561)
1# ===========================================================================
2# arch/um: Generic definitions
3# ===========================================================================
4
5USER_SINGLE_OBJS := \
6	$(foreach f,$(patsubst %.o,%,$(obj-y) $(obj-m)),$($(f)-objs))
7USER_OBJS += $(filter %_user.o,$(obj-y) $(obj-m)  $(USER_SINGLE_OBJS))
8USER_OBJS := $(foreach file,$(USER_OBJS),$(obj)/$(file))
9
10$(USER_OBJS) $(USER_OBJS:.o=.i) $(USER_OBJS:.o=.s) $(USER_OBJS:.o=.lst): \
11	c_flags = -Wp,-MD,$(depfile) $(USER_CFLAGS) $(CFLAGS_$(notdir $@))
12$(USER_OBJS): cmd_checksrc =
13$(USER_OBJS): quiet_cmd_checksrc =
14$(USER_OBJS): cmd_force_checksrc =
15$(USER_OBJS): quiet_cmd_force_checksrc =
16
17
18# The stubs and unmap.o can't try to call mcount or update basic block data
19define unprofile
20	$(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1)))
21endef
22
23
24# The stubs and unmap.o can't try to call mcount or update basic block data
25define unprofile
26	$(patsubst -pg,,$(patsubst -fprofile-arcs -ftest-coverage,,$(1)))
27endef
28
29# cmd_make_link checks to see if the $(foo-dir) variable starts with a /.  If
30# so, it's considered to be a path relative to $(srcdir) rather than
31# $(srcdir)/arch/$(SUBARCH).  This is because x86_64 wants to get ldt.c from
32# arch/um/sys-i386 rather than arch/i386 like the other borrowed files.  So,
33# it sets $(ldt.c-dir) to /arch/um/sys-i386.
34quiet_cmd_make_link = SYMLINK $@
35cmd_make_link       = rm -f $@; ln -sf $(srctree)$(if $(filter-out /%,$($(notdir $@)-dir)),/arch/$(SUBARCH))/$($(notdir $@)-dir)/$(notdir $@) $@
36
37# this needs to be before the foreach, because targets does not accept
38# complete paths like $(obj)/$(f). To make sure this works, use a := assignment
39# or we will get $(obj)/$(f) in the "targets" value.
40# Also, this forces you to use the := syntax when assigning to targets.
41# Otherwise the line below will cause an infinite loop (if you don't know why,
42# just do it).
43
44targets := $(targets) $(SYMLINKS)
45
46SYMLINKS := $(foreach f,$(SYMLINKS),$(obj)/$(f))
47
48$(SYMLINKS): FORCE
49	$(call if_changed,make_link)
50