logrotate: enable selinux support

Selinux is currently disabled staticly in logrotate. This patch fixes
this by checking for libselinux and adding it as a dependecy if it has
been selected.

Signed-off-by: Adam Duskett <Adamduskett@outlook.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/logrotate/logrotate.mk

@@ -12,7 +12,13 @@ LOGROTATE_DEPENDENCIES = popt host-pkgconf
 # tarball does not have a generated configure script
 LOGROTATE_AUTORECONF = YES
 LOGROTATE_CONF_ENV = LIBS="`$(PKG_CONFIG_HOST_BINARY) --libs popt`"
-LOGROTATE_CONF_OPTS = --without-selinux
+
+ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
+LOGROTATE_CONF_OPTS += --with-selinux
+LOGROTATE_DEPENDENCIES += libselinux
+else
+LOGROTATE_CONF_OPTS += --without-selinux
+endif
 
 ifeq ($(BR2_PACKAGE_ACL),y)
 LOGROTATE_DEPENDENCIES += acl