On a related note, ClamAV 0.99.2 has been released.

On Sat, 2016-05-07 at 07:15 -0700, Armin Kuster wrote:
NOTE:meta-security/recipes-security/clamav/clamav_0.99.1.bb: base_contains is deprecated, please use bb.utils.contains instead.

Signed-off-by: Armin Kuster <akuster808@gmail.com>
---
 recipes-security/clamav/clamav_0.99.1.bb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/recipes-security/clamav/clamav_0.99.1.bb b/recipes-security/clamav/clamav_0.99.1.bb
index edccc78..461015f 100644
--- a/recipes-security/clamav/clamav_0.99.1.bb
+++ b/recipes-security/clamav/clamav_0.99.1.bb
@@ -30,7 +30,7 @@ GID = "clamav"
 
 PACKAGECONFIG ?= "ncurses openssl bz2 zlib "
 PACKAGECONFIG += " ${@bb.utils.contains("DISTRO_FEATURES", "ipv6", "ipv6", "", d)}"
-PACKAGECONFIG += "${@base_contains('DISTRO_FEATURES', 'systemd', 'systemd', '', d)}"
+PACKAGECONFIG += "${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'systemd', '', d)}"
 PACKAGECONFIG[pcre] = "--with-pcre=${STAGING_LIBDIR},  --without-pcre, libpcre"
 PACKAGECONFIG[xml] = "--with-xml=${STAGING_LIBDIR}/.., --with-xml=no, libxml2,"
 PACKAGECONFIG[json] = "--with-libjson=${STAGING_LIBDIR}, --without-libjson, json,"
-- 
2.3.5