build: examples/calc++/calc++ requires flex
authorPaul Eggert <eggert@cs.ucla.edu>
Mon, 21 Oct 2013 22:16:43 +0000 (15:16 -0700)
committerPaul Eggert <eggert@cs.ucla.edu>
Mon, 21 Oct 2013 22:23:42 +0000 (15:23 -0700)
commit3a684d611ec61f6959ffdd84918717e77486263b
tree4b6c8a45ecf50a33cd6e1a779810766af13f2f8e
parenta9733794bb48f9d0779df47229210e5cb30d02a4
build: examples/calc++/calc++ requires flex

* configure.ac (FLEX_CXX_WORKS): New AM_CONDITIONAL.
* examples/calc++/local.mk (examples/calc++/calc++):
Build if FLEX_CXX_WORKS, not BISON_CXX_WORKS.
configure.ac
examples/calc++/local.mk