pool: Install SQL schemas from src/pool

This allows us to install the schemas if either the attr-sql or sql
plugin is enabled, since both use the same schema (at least in parts).

src/Makefile.am

@@ -98,6 +98,10 @@ endif
 
 if USE_ATTR_SQL
   SUBDIRS += pool
+else
+if USE_SQL
+  SUBDIRS += pool
+endif
 endif
 
 if USE_TKM

src/libcharon/plugins/sql/Makefile.am

@@ -17,6 +17,3 @@ libstrongswan_sql_la_SOURCES = \
 	sql_cred.h sql_cred.c sql_logger.h sql_logger.c
 
 libstrongswan_sql_la_LDFLAGS = -module -avoid-version
-
-templatesdir = $(pkgdatadir)/templates/database/sql
-dist_templates_DATA = mysql.sql sqlite.sql

src/pool/Makefile.am

@@ -1,3 +1,5 @@
+if USE_ATTR_SQL
+
 ipsec_PROGRAMS = pool
 
 pool_SOURCES = \
@@ -14,3 +16,8 @@ AM_CPPFLAGS = \
 pool_LDADD = \
 	$(top_builddir)/src/libstrongswan/libstrongswan.la \
 	$(top_builddir)/src/libhydra/libhydra.la
+
+endif !USE_ATTR_SQL
+
+templatesdir = $(pkgdatadir)/templates/database/sql
+dist_templates_DATA = mysql.sql sqlite.sql