Better ncurses URL and some other fixes.

.github/travis/build-all.sh

@@ -4,9 +4,9 @@ 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
+NCURSES=https://ftp.gnu.org/gnu/ncurses/ncurses-6.2.tar.gz
 
-wget -q $LIBEVENT || exit 1
+wget -4q $LIBEVENT || exit 1
 tar -zxf libevent-*.tar.gz || exit 1
 (cd libevent-*/ &&
 	 ./configure --prefix=$BUILD \
@@ -15,11 +15,12 @@ tar -zxf libevent-*.tar.gz || exit 1
 		     --disable-samples &&
 	 make && make install) || exit 1
 
-wget -q $NCURSES || exit 1
+wget -4q $NCURSES || exit 1
 tar -zxf ncurses-*.tar.gz || exit 1
 (cd ncurses-*/ &&
 	CPPFLAGS=-P ./configure --prefix=$BUILD \
 				--with-shared \
+				--with-termlib \
 				--without-ada \
 				--without-cxx \
 				--without-manpages \

.travis.yml

@@ -25,6 +25,14 @@ jobs:
     - os: osx
       compiler: clang
       env: BUILD=static
+    - os: linux
+      compiler: gcc
+      arch: arm64
+      env: BUILD=all
+    - os: linux
+      compiler: clang
+      arch: arm64
+      env: BUILD=all
 
 before_install:
   - sh .github/travis/before-install.sh