How to omit files from AC_OUTPUT?

[John W. Millaway]

Hi,

I have a list of 'test' directories containing Makefiles. I want to
omit two of those tests if GNU Bison is not found, because they
depend on GNU bison. How do I do this?

  AC_CHECK_PROG(BISON,bison,bison)

  dnl Below, I want the last two directories to be omitted.
  dnl I could do it with two calls to AC_OUTPUT, wrapped in an
  dnl if/else statement, but it would look really messy.
  dnl Is there a way to build this list beforehand, then add to it
  dnl only if bison is found?

  AC_OUTPUT(Makefile test-1/Makefile test-2/Makefile
            test-bison1/Makefile test-bison2/Makefile)

Thanks.
-John


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