Macro: ac_withnone

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Synopsis

  ``

Version

  guidod @ ac-archive-0.5.39

Author

Description
M4 Source Code

      dnl AC_WITHNONE_IF(flag,cond) - not unlike AM_CONDITIONAL
      AC_DEFUN(AC_WITHNONE_IF,
      [AC_SUBST($1_WITH)
      AC_SUBST($1_NONE)
      if $2; then
          $1_WITH=""
          $1_NONE="#"
      else
          $1_WITH="#"
          $1_NONE=""
      fi
      ])

      dnl AC_WITHOUT_SUBST(varname) - not unlike AM_CONDITIONAL
      AC_DEFUN(AC_SUBST_WITHOUT,
      [AC_SUBST(WITH_$1)
      AC_SUBST(WITHOUT_$1)
      v=`echo [$]$1`
      a="yes"
      if test "_$v" = "_" ; then v="no" ; fi
      if test "_$v" = ":" ; then v="no" ; fi
      if test "_$v" = "_0" ; then v="no" ; fi
      if test "_$v" = "_no" ; then v="no" ; fi
      if test "_$v" = "_false" ; then v="no" ; fi
      if test "$a" = "yes" ; then
          WITH_$1=""
          WITHOUT_$1="#"
      else
          WITH_$1="#"
          WITHOUT_$1=""
      fi
      ])