Add build of everything.

.github/travis/build-all.sh

@@ -0,0 +1,35 @@
+#!/bin/sh
+
+BUILD=$PWD/build
+
+LIBEVENT=https://github.com/libevent/libevent/releases/download/release-2.1.11-stable/libevent-2.1.11-stab\
+le.tar.gz
+NCURSES=ftp://ftp.invisible-island.net/ncurses/ncurses-6.2.tar.gz
+
+wget -q $LIBEVENT || exit 1
+tar -zxf libevent-*.tar.gz || exit 1
+(cd libevent-*/ &&
+         ./configure --prefix=$BUILD \
+                     --enable-shared \
+                     --disable-libevent-regress \
+                     --disable-samples &&
+         make && make install) || exit 1
+
+wget -q $NCURSES || exit 1
+tar -zxf ncurses-*.tar.gz || exit 1
+(cd ncurses-*/ &&
+        CPPFLAGS=-P ./configure --prefix=$BUILD \
+                     --with-shared \
+                     --without-ada \
+                     --without-cxx \
+                     --without-manpages \
+                     --without-progs \
+                     --without-tests \
+                     --without-tack \
+                     --enable-pc-files \
+                     --with-pkg-config-libdir=$BUILD/lib/pkgconfig &&
+         make && make install) || exit 1
+
+sh autogen.sh || exit 1
+PKG_CONFIG_PATH=$BUILD/lib/pkgconfig ./configure --prefix=$BUILD "$@"
+make && make install || exit 1