mongodb: depend on wiredtiger on 64bit systems only.

srcpkgs/mongodb/template

@@ -4,7 +4,7 @@ version=3.2.4
 revision=4
 hostmakedepends="scons"
 makedepends="boost-devel pcre-devel snappy-devel libressl-devel libpcap-devel
- gperftools-devel libsasl-devel yaml-cpp-devel valgrind-devel wiredtiger-devel"
+ gperftools-devel libsasl-devel yaml-cpp-devel valgrind-devel"
 conf_files="/etc/mongodb/mongodb.conf"
 system_accounts="mongodb"
 mongodb_homedir="/var/lib/mongodb"
@@ -21,7 +21,6 @@ wrksrc="mongodb-src-r${version}"
 _scons_args="
  --use-system-tcmalloc
  --use-system-pcre
- --use-system-wiredtiger
  --use-system-boost
  --use-system-snappy
  --use-system-valgrind
@@ -33,7 +32,9 @@ _scons_args="
  --nostrip
  --disable-warnings-as-errors"
 case "$XBPS_TARGET_MACHINE" in
-	x86_64*|aarch64*) _scons_args+=" --wiredtiger=on";;
+	x86_64*|aarch64*)
+		_scons_args+=" --wiredtiger=on --use-system-wiredtiger"
+		makedepends+=" wiredtiger-devel";;
 	*) _scons_args+=" --wiredtiger=off";;
 esac
 # ETOOHUGE