Merge branch 'maint'

* maint:
  tests: merge, tweak and modernize few test scripts
  tests: move coverage about BUILT_SOURCES
  tests: more meaningful names for some test cases
  tests: merge some grepping tests on Yacc support

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --cc t/list-of-tests.mk
index 425e545,e38e7ff..6d01646
--- 1/t/list-of-tests.mk
--- 2/t/list-of-tests.mk
+++ b/t/list-of-tests.mk
@@@ -338,8 -341,13 +343,7 @@@ t/cxx-lt-demo.sh 
  t/cxxlibobj.sh \
  t/cxxlink.sh \
  t/cxxnoc.sh \
- t/cxxo.sh \
 -t/cygnus-deprecation.sh \
 -t/cygnus-check-without-all.sh \
 -t/cygnus-dependency-tracking.sh \
 -t/cygnus-imply-foreign.sh \
 -t/cygnus-no-dist.sh \
 -t/cygnus-no-installinfo.sh \
 -t/cygnus-requires-maintainer-mode.sh \
 +t/cygnus-no-more.sh \
  t/cygwin32.sh \
  t/dash.sh \
  t/defun.sh \
@@@ -689,8 -695,9 +690,8 @@@ t/mkinst2.sh 
  t/mkinst3.sh \
  t/mmode.sh \
  t/mmodely.sh \
 -t/multlib.sh \
  t/no-extra-makefile-code.sh \
- t/no-outdir-option.sh \
+ t/no-spurious-install-recursive.sh \
  t/nobase.sh \
  t/nobase-libtool.sh \
  t/nobase-python.sh \