We are using explicit pthread calls here, so we should
use the right linker flags for that.
https://bugzilla.gnome.org/show_bug.cgi?id=661318
TEST_PROGS += cond
cond_LDADD = $(progs_ldadd)
-TEST_PROGS += private
-private_LDADD = $(progs_ldadd)
-
TEST_PROGS += thread
thread_LDADD = $(progs_ldadd)
TEST_PROGS += hook
hook_LDADD = $(progs_ldadd)
+TEST_PROGS += private
+private_LDADD = $(progs_ldadd)
+
if OS_UNIX
+private_LDFLAGS = -pthread
+
TEST_PROGS += unix
unix_LDADD = $(progs_ldadd)