[PATCH 2/4] uml: fix dynamic linking on some 64-bit distros

[Paolo 'Blaisorblade' Giarrusso]

From: Rob Landley <rob@xxxxxxxxxxx>, Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>

The current UML build assumes that on x86-64 systems, /lib is a symlink 
to /lib64, but in some distributions (like PLD and CentOS) they are separate 
directories, so the 64 bit library loader isn't found.  This patch 
inserts /lib64 at the start of the rpath on x86-64 UML builds.

Signed-off-by: Rob Landley <rob@xxxxxxxxxxx>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
---

 arch/um/Makefile-x86_64 |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index 4f118d5..38df311 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -12,3 +12,7 @@ CHECKFLAGS  += -m64
 
 ELF_ARCH := i386:x86-64
 ELF_FORMAT := elf64-x86-64
+
+# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
+
+LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64

-
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