diff options
| author | Andy Lutomirski <luto@mit.edu> | 2011-07-13 09:24:12 -0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2011-07-13 14:23:09 -0400 |
| commit | 7f79ad15f33cf4968cafb0e3d2beba427de01d3a (patch) | |
| tree | bbcc24f262ecafbc1b6e54aedcd9c22c2b2b91ad /arch/x86/vdso | |
| parent | 1b3f2a72bbcfdf92e368a44448c45eb639b05b5e (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/Makefile | 1 |
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) | |||
| 26 | export CPPFLAGS_vdso.lds += -P -C | 26 | export CPPFLAGS_vdso.lds += -P -C |
| 27 | 27 | ||
| 28 | VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \ | 28 | VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \ |
| 29 | -Wl,--no-undefined \ | ||
| 29 | -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 | 30 | -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 |
| 30 | 31 | ||
| 31 | $(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so | 32 | $(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so |