[538-kea-should-not-store-anything-in-var-kea-lsb-violation] Explained DATA_DIR usages (*plural*)

src/lib/dhcpsrv/Makefile.am

@@ -2,6 +2,8 @@ AUTOMAKE_OPTIONS = subdir-objects
 
 SUBDIRS = . testutils tests benchmarks
 
+# DATA_DIR is the directory where to put default CSV files and the DHCPv6
+# server ID file (i.e. the file where the server finds its DUID at startup).
 dhcp_data_dir = @localstatedir@/lib/@PACKAGE@
 kea_lfc_location = @prefix@/sbin/kea-lfc
 

src/lib/process/Makefile.am

 SUBDIRS = . testutils tests
+# DATA_DIR is the directory where to put PID files.
 dhcp_data_dir = @runstatedir@/@PACKAGE@
 AM_CPPFLAGS  = -I$(top_builddir)/src/lib -I$(top_srcdir)/src/lib
 AM_CPPFLAGS += -DDATA_DIR="\"$(dhcp_data_dir)\""