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Commit 7f79ad15 authored by Andy Lutomirski's avatar Andy Lutomirski Committed by H. Peter Anvin
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x86-64: Add --no-undefined to vDSO build 



This gives much nicer diagnostics when something goes wrong.  It's
supported at least as far back as binutils 2.15.

Signed-off-by: default avatarAndy Lutomirski <luto@mit.edu>
Link: http://lkml.kernel.org/r/de0b50920469ff6359c529526e7639fdd36fa83c.1310563276.git.luto@mit.edu


Signed-off-by: default avatarH. Peter Anvin <hpa@linux.intel.com>
parent 1b3f2a72

arch/x86/vdso/Makefile

+1 −0
Original line number Original line Diff line number Diff line
@@ -26,6 +26,7 @@ targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y) 
export CPPFLAGS_vdso.lds += -P -C

export CPPFLAGS_vdso.lds += -P -C





VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \

VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \

			-Wl,--no-undefined \

		      	-Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096

		      	-Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096





$(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so

$(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so