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authorAndy Lutomirski <luto@mit.edu>2011-07-13 09:24:12 -0400
committerH. Peter Anvin <hpa@linux.intel.com>2011-07-13 11:23:09 -0700
commit7f79ad15f33cf4968cafb0e3d2beba427de01d3a (patch)
treebbcc24f262ecafbc1b6e54aedcd9c22c2b2b91ad /arch/x86/vdso
parent1b3f2a72bbcfdf92e368a44448c45eb639b05b5e (diff)
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: Andy Lutomirski <luto@mit.edu> Link: http://lkml.kernel.org/r/de0b50920469ff6359c529526e7639fdd36fa83c.1310563276.git.luto@mit.edu Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/vdso')
-rw-r--r--arch/x86/vdso/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile
index bef0bc962400..5d179502a52c 100644
--- a/arch/x86/vdso/Makefile
+++ b/arch/x86/vdso/Makefile
@@ -26,6 +26,7 @@ targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y)
export CPPFLAGS_vdso.lds += -P -C
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
$(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so