travis: add build without HTTP/SMTP/IMAP

diff --git a/.travis.yml b/.travis.yml
index 4ea781458915b4835f38db428d7b9039321fdde2..6efc8d7056d3d52782251f677d8b72d8dc1ecdbc 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,6 +25,10 @@ matrix:
           compiler: gcc
           dist: trusty
           env: T=normal
+        - os: linux
+          compiler: gcc
+          dist: trusty
+          env: T=normal C="--disable-http --disable-smtp --disable-imap"
         - os: linux
           compiler: gcc
           dist: trusty