On x86_64, with -m32 I get:
FAIL: libgomp.c/appendix-a/a.15.1.c (test for excess errors)
Excess errors:
/usr/bin/ld: skipping incompatible
/home/pinskia/src/checkin/trunk/objdir.c/x86_64-unknown-linux-gnu/./libgomp/.libs/libgomp.so
when searching for -lgomp
/usr/bin/ld: skipping incompatible
/home/pinskia/src/checkin/trunk/objdir.c/x86_64-unknown-linux-gnu/./libgomp/.libs/libgomp.a
when searching for -lgomp
/usr/bin/ld: skipping incompatible
/home/pinskia/src/checkin/trunk/objdir.c/x86_64-unknown-linux-gnu/./libgomp/.libs/libgomp.so
when searching for -lgomp
/usr/bin/ld: skipping incompatible
/home/pinskia/src/checkin/trunk/objdir.c/x86_64-unknown-linux-gnu/./libgomp/.libs/libgomp.a
when searching for -lgomp
Though libgomp exists in 32/libgomp/.libs for the 32bit library.
--
Summary: libgomp testing does not work for multilib (-m32 on
x86_64-linux-gnu)
Product: gcc
Version: 4.2.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libgomp
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: pinskia at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=25852
