Do not overwrite CPPFLAGS Use AM_CPPFLAGS instead of ovewriting CPPFLAGS. CPPFLAGS is a user variable reserved for local modifications. See https://www.gnu.org/software/automake/manual/html_node/Flag-Variables-Ordering.html https://github.com/storaged-project/udisks/pull/1296
integration-test: Fix change label test with exfatprogs 1.2.5 Like VFAT, EXFAT does not allow some characters in the label. Since version 1.2.5 exfatprogs refuses to set a label with those invalid characters. Because this changed in version 1.2.5 we cannot assert that setting such label would throw without knowing the exfatprogs version.
While we're touching this part of the test, also document why we're using a shorter label compared to the other filesystems.
