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sparc: vdso: clean-up vdso Makefile

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arch/sparc/vdso/Makefile is a replica of arch/x86/entry/vdso/Makefile.

Clean-up the Makefile in the same way as I did for x86:

 - Remove unnecessary export
 - Put the generated linker script to $(obj)/ instead of $(src)/
 - Simplify cmd_vdso2c

The corresponding x86 commits are:

 - 61615faf0a ("x86/build/vdso: Remove unnecessary export in Makefile")
 - 1742ed2088 ("x86/build/vdso: Put generated linker scripts to $(obj)/")
 - c5fcdbf155 ("x86/build/vdso: Simplify 'cmd_vdso2c'")

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Masahiro Yamada 2018-09-12 12:39:13 +09:00 committed by David S. Miller
parent 16e2a9d396
commit 8cf7765d33
1 changed files with 3 additions and 5 deletions
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8
arch/sparc/vdso/Makefile
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@ -31,23 +31,21 @@ obj-y += $(vdso_img_objs)
targets += $(vdso_img_cfiles)
targets += $(vdso_img_sodbg) $(vdso_img-y:%=vdso%.so)
export CPPFLAGS_vdso.lds += -P -C
CPPFLAGS_vdso.lds += -P -C
VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
-Wl,--no-undefined \
-Wl,-z,max-page-size=8192 -Wl,-z,common-page-size=8192 \
$(DISABLE_LTO)
$(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
$(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
$(call if_changed,vdso)
HOST_EXTRACFLAGS += -I$(srctree)/tools/include
hostprogs-y += vdso2c
quiet_cmd_vdso2c = VDSO2C $@
define cmd_vdso2c
$(obj)/vdso2c $< $(<:%.dbg=%) $@
endef
cmd_vdso2c = $(obj)/vdso2c $< $(<:%.dbg=%) $@
$(obj)/vdso-image-%.c: $(obj)/vdso%.so.dbg $(obj)/vdso%.so $(obj)/vdso2c FORCE
$(call if_changed,vdso2c)