travis: build ngtcp2 with --enable-lib-only

... makes it skip the examples and other stuff we don't neeed.

Closes #4646

diff --git a/.travis.yml b/.travis.yml
index cdfb6d6d7ab84b9f58711b896c0bd2bf1093f592..c157f7c87a04bd7b7bcc9ec59750d6c406ccfc78 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -469,7 +469,7 @@ before_script:
        git clone --depth 1 https://github.com/ngtcp2/ngtcp2 &&
        cd ngtcp2 &&
        autoreconf -i &&
-       ./configure PKG_CONFIG_PATH=$HOME/ngbuild/lib/pkgconfig LDFLAGS="-Wl,-rpath,$HOME/ngbuild/lib" --prefix=$HOME/ngbuild &&
+       ./configure PKG_CONFIG_PATH=$HOME/ngbuild/lib/pkgconfig LDFLAGS="-Wl,-rpath,$HOME/ngbuild/lib" --prefix=$HOME/ngbuild --enable-lib-only &&
        make && make install)
       fi
     - |