Travis: update .travis.yml

Fix warnings and an error, use build-aux/travis-build.sh to support building
with ASAN properly.

Get brew packages using Travis config, not from command line.

Use default version of osx.

.gitignore

@@ -12,7 +12,6 @@ Makefile
 Makefile.in
 /aclocal.m4
 /autom4te.cache
-/build-aux
 /compile
 /configure
 /config.*

.travis.yml

@@ -1,5 +1,5 @@
+os: linux
 language: cpp
-
 dist: bionic
 
 addons:
@@ -17,27 +17,28 @@ addons:
       - libunittest++-dev
       - hunspell-fr
       - libnuspell-dev
+  homebrew:
+  # Note: aspell should work on macOS, but has been removed because one of
+  # the tests fails; see https://github.com/Homebrew/homebrew-core/issues/4097
+    packages:
+      - glib
+      - dbus-glib
+      - hspell
+      - hunspell
+      - libvoikko
+      - unittest-cpp
+    update: true
 
 env:
   global:
     - VERBOSE=1 # Get test logs in Travis logs
 
-matrix:
+jobs:
   include:
     - os: linux
       env:
-        - CONFIGURE_ARGS=("CFLAGS=\"-g3 -fsanitize=address -fsanitize=undefined\"" "LDFLAGS=\"-fsanitize=address -fsanitize=undefined\"")
+        - ASAN=yes
     - os: osx
 
-before_install:
-  # Note: aspell should work on macOS, but has been removed from the next
-  # line because one of the tests fails; see
-  # https://github.com/Homebrew/homebrew-core/issues/40976
-  - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew install dbus-glib hspell hunspell libvoikko unittest-cpp ; fi
-
 script:
-  - ./bootstrap
-  - ./configure --enable-relocatable --with-zemberek=check "${CONFIGURE_ARGS[@]}"
-  - make
-  - make distcheck
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo locale-gen fr_FR.UTF-8; env LANG=fr_FR.UTF-8 make check ; fi
+  - ./build-aux/travis-build.sh

build-aux/.gitignore

@@ -0,0 +1,15 @@
+/bootstrap.in
+/compile
+/config.guess
+/config.sub
+/depcomp
+/extract-trace
+/funclib.sh
+/inline-source
+/install-sh
+/ltmain.sh
+/mdate-sh
+/missing
+/options-parser
+/test-driver
+/texinfo.tex

build-aux/travis-build.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Build on Travis
+# Written by Reuben Thomas 2020.
+# This file is in the public domain.
+
+set -e
+
+./bootstrap
+CONFIGURE_ARGS=(--enable-relocatable --with-zemberek=check)
+if [[ "$ASAN" == "yes" ]]; then
+    CONFIGURE_ARGS+=(CFLAGS="-g3 -fsanitize=address -fsanitize=undefined" LDFLAGS="-fsanitize=address -fsanitize=undefined")
+fi
+./configure --enable-silent-rules "${CONFIGURE_ARGS[@]}"
+make
+make distcheck
+
+if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo locale-gen fr_FR.UTF-8; env LANG=fr_FR.UTF-8 make check ; fi