Update autotools, add Travis-CI support, and remove some unused code

.travis.yml

@@ -0,0 +1,34 @@
+sudo: false
+# dist: trusty
+language: c
+
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+      - llvm-toolchain-precise-3.8
+    packages:
+      - libmunge-dev
+      - libgenders0-dev
+      - genders
+      - clang-3.8
+      - gcc-6
+
+cache:
+  directories:
+  - $HOME/local
+  - $HOME/.local
+
+env:
+  - CC=gcc
+  - CC=clang
+  - CC=gcc-6
+  - CC=clang-3.8
+
+script:
+  - export CFLAGS=-Werror
+  - scripts/travis-ci-deps.sh
+  - eval $(scripts/travis-ci-deps.sh --printenv)
+  - ./bootstrap
+  - ./configure --with-exec --with-ssh --with-mrsh --with-genders --with-dshgroups --with-netgroup --with-machines
+  - make -j 2 check

Makefile.am

@@ -8,8 +8,7 @@ include $(top_srcdir)/config/Make-inc.mk
 
 ACLOCAL_AMFLAGS =              -I config
 AUTOMAKE_OPTIONS =             foreign dist-bzip2
-CONFIG_STATUS_DEPENDENCIES =   META
-SUBDIRS =                      src tests doc etc scripts config
+SUBDIRS =                      src tests doc scripts config
 
 maintainer-clean-local:
 	-(cd $(top_srcdir) && rm -rf autom4te.cache)
@@ -39,9 +38,19 @@ MAINTAINERCLEANFILES = \
     stamp-h.in 
 
 EXTRA_DIST = \
-    DISCLAIMER META \
+    DISCLAIMER \
     pdsh.spec \
     README.KRB4 \
-    README.QsNet \
     README.modules \
     bootstrap 
+
+# coverage
+
+CODE_COVERAGE_IGNORE_PATTERN = \
+        "/tests/*" \
+        "/pdsh/cbuf.*" \
+        "/common/hostlist.*" \
+	"/usr/*"
+
+CODE_COVERAGE_LCOV_OPTIONS =
+@CODE_COVERAGE_RULES@