The details plugin is "built in" to the plymouthd binary, so
it's always available even if the details module isn't installed
(say /usr isn't mounted yet or something)
Unfortunately, this feature isn't working because plymouthd isn't
built with -rdynamic (except for in my local CFLAGS).
This commit fixes the makefile goo accordingly.
plymouthdbin_PROGRAMS = plymouthd
plymouthd_CFLAGS = $(PLYMOUTH_CFLAGS) \
+ -rdynamic \
-DPLYMOUTH_PLUGIN_PATH=\"$(PLYMOUTH_PLUGIN_PATH)\" \
-DPLYMOUTH_THEME_PATH=\"$(PLYMOUTH_THEME_PATH)/\" \
-DPLYMOUTH_POLICY_DIR=\"$(PLYMOUTH_POLICY_DIR)/\" \