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linux-sg2042
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tile: fix dependency and .*.cmd inclusion for incremental build 

Build targets using if_changed(_rule) must depend on FORCE so that
they are evaluated every time.

In order to include .*.cmd files correctly, build targets added to
"targets" must not be prefixed with $(obj)/ because it is done by
scripts/Makefile.lib .

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada 2017-06-25 10:53:08 +09:00
parent 9289ea7f95
commit 44ea9948e9
1 changed files with 5 additions and 6 deletions
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11
arch/tile/kernel/vdso/Makefile
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@ -42,10 +42,9 @@ $(obj)/vdso.o: $(obj)/vdso.so
# link rule for the .so file, .lds has to be first
SYSCFLAGS_vdso.so.dbg = $(c_flags)
$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso)
$(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso) FORCE
$(call if_changed,vdsold)
# We also create a special relocatable object that should mirror the symbol
# table and layout of the linked DSO. With ld -R we can then refer to
# these symbols in the kernel code rather than hand-coded addresses.
@ -96,17 +95,17 @@ KBUILD_CFLAGS_32 := $(filter-out -m64,$(KBUILD_CFLAGS))
KBUILD_CFLAGS_32 += -m32 -fPIC -shared
obj-vdso32 = $(patsubst %, v%32.o, $(vdso-syms))
obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
targets += $(obj-vdso32) vdso32.so vdso32.so.dbg
obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
$(obj-vdso32:%=%): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
$(obj-vdso32:%=%): KBUILD_CFLAGS = $(KBUILD_CFLAGS_32)
$(obj)/vgettimeofday32.o: $(obj)/vgettimeofday.c
$(obj)/vgettimeofday32.o: $(obj)/vgettimeofday.c FORCE
$(call if_changed_rule,cc_o_c)
$(obj)/vrt_sigreturn32.o: $(obj)/vrt_sigreturn.S
$(obj)/vrt_sigreturn32.o: $(obj)/vrt_sigreturn.S FORCE
$(call if_changed,as_o_S)
# Force dependency
@ -114,5 +113,5 @@ $(obj)/vdso32.o: $(obj)/vdso32.so
SYSCFLAGS_vdso32.so.dbg = -m32 -shared -s -Wl,-soname=linux-vdso32.so.1 \
$(call cc-ldoption, -Wl$(comma)--hash-style=both)
$(obj)/vdso32.so.dbg: $(src)/vdso.lds $(obj-vdso32)
$(obj)/vdso32.so.dbg: $(src)/vdso.lds $(obj-vdso32) FORCE
$(call if_changed,vdsold)