acinclude.m4

   1 dnl BISON_DEFINE_FILE(VARNAME, FILE)
   2 dnl Defines (with AC_DEFINE) VARNAME to the expansion of the FILE
   3 dnl variable, expanding ${prefix} and such.
   4 dnl Example: BISON_DEFINE_FILE(DATADIR, datadir)
   5 dnl By Alexandre Oliva <oliva@dcc.unicamp.br>
   6 AC_DEFUN(BISON_DEFINE_FILE, [
   7         ac_expanded=`(
   8             test "x$prefix" = xNONE && prefix="$ac_default_prefix"
   9             test "x$exec_prefix" = xNONE && exec_prefix="${prefix}"
  10             eval echo \""[$]$2"\"
  11         )`
  12         AC_DEFINE_UNQUOTED($1, "$ac_expanded")
  13 ])