## distcheck, $nmhetcdir. For distcheck, prepend $MH_INST_DIR (from
## test/common.sh.in), which is based on $MH_TEST_DIR (from
## $TESTS_ENVIRONMENT).
-DISTCHECK_CONFIGURE_FLAGS = DISABLE_SETGID_MAIL=1 \
- NMHETCDIRINST='$${abs_builddir}/test/testdir/inst'
+AM_DISTCHECK_CONFIGURE_FLAGS = DISABLE_SETGID_MAIL=1 \
+ NMHETCDIRINST='$${abs_builddir}/test/testdir/inst'
##
## Stuff that should be cleaned via "make clean"