x86: vdso_install fix
The makefile magic for installing the 32-bit vdso images on disk had a
little error. A single-line change would fix that bug, but this does a
little more to reduce the error-prone duplication of this bit of
makefile variable magic.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index d28dda5..f385a4b 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -7,7 +7,7 @@
VDSO32-$(CONFIG_COMPAT) := y
vdso-install-$(VDSO64-y) += vdso.so
-vdso-install-$(VDSO32-y) += $(vdso32-y:=.so)
+vdso-install-$(VDSO32-y) += $(vdso32-images)
# files to link into the vdso
@@ -63,6 +63,8 @@
vdso32.so-$(CONFIG_COMPAT) += syscall
vdso32.so-$(VDSO32-y) += sysenter
+vdso32-images = $(vdso32.so-y:%=vdso32-%.so)
+
CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds)
VDSO_LDFLAGS_vdso32.lds = -m elf_i386 -Wl,-soname=linux-gate.so.1
@@ -71,21 +73,21 @@
override obj-dirs = $(dir $(obj)) $(obj)/vdso32/
targets += vdso32/vdso32.lds
-targets += $(vdso32.so-y:%=vdso32-%.so.dbg) $(vdso32.so-y:%=vdso32-%.so)
+targets += $(vdso32-images) $(vdso32-images:=.dbg)
targets += vdso32/note.o $(vdso32.so-y:%=vdso32/%.o)
-extra-y += $(vdso32.so-y:%=vdso32-%.so)
+extra-y += $(vdso32-images)
-$(obj)/vdso32.o: $(vdso32.so-y:%=$(obj)/vdso32-%.so)
+$(obj)/vdso32.o: $(vdso32-images:%=$(obj)/%)
KBUILD_AFLAGS_32 := $(filter-out -m64,$(KBUILD_AFLAGS))
-$(vdso32.so-y:%=$(obj)/vdso32-%.so.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
-$(vdso32.so-y:%=$(obj)/vdso32-%.so.dbg): asflags-$(CONFIG_X86_64) += -m32
+$(vdso32-images:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_32)
+$(vdso32-images:%=$(obj)/%.dbg): asflags-$(CONFIG_X86_64) += -m32
-$(vdso32.so-y:%=$(obj)/vdso32-%.so.dbg): $(obj)/vdso32-%.so.dbg: FORCE \
- $(obj)/vdso32/vdso32.lds \
- $(obj)/vdso32/note.o \
- $(obj)/vdso32/%.o
+$(vdso32-images:%=$(obj)/%.dbg): $(obj)/vdso32-%.so.dbg: FORCE \
+ $(obj)/vdso32/vdso32.lds \
+ $(obj)/vdso32/note.o \
+ $(obj)/vdso32/%.o
$(call if_changed,vdso)
# Make vdso32-*-syms.lds from each image, and then make sure they match.