configure: prefer lib64 on 64-bit platforms
commit0d14e7e698ceb0b9b4d022ddacab43f1c1c3252d
authorgrischka <grischka>
Mon, 28 Nov 2016 13:48:54 +0000 (28 14:48 +0100)
committergrischka <grischka>
Mon, 28 Nov 2016 13:48:54 +0000 (28 14:48 +0100)
treed191471e85105089dacdec2f790b45c2a4416d63
parenta52a39179a47ee125e88ae0938f06d08cf5723ce
configure: prefer lib64 on 64-bit platforms

use lib64 if
- "/usr/lib/multi-arch-triplet" does not work and
- we are on a 64-bit platform and
- lib64 exists and does contain crti.o
configure