am/bison.m4 · a0c5483c864ab26f5060aa23ffb08194dd979ac3 · John McEleney / mailutils · GitLab

Require bison and flex · 74e285e7 ...

These are needed only during development cycle, as the created sources
are included in the tarball.

* am/bison.m4: New file.
* am/flex.m4: New file.
* configure.ac: Use MU_PROG_BISON and MU_PROG_FLEX
* mu-aux/gylwrap: Drop support for alternative command line syntax
and the --stdout option.

authored 2017-06-14 21:06:13 +0300

bison.m4 232 Bytes

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# bison.m4 serial 1
AC_DEFUN([MU_PROG_BISON],
[
  if test "x$ac_cv_prog_YACC" = x; then
    AC_PROG_YACC
    if ! $YACC --version 2>/dev/null | grep -q '^bison '; then
       YACC="$SHELL $missing_dir/missing bison"
    fi
  fi
])