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M4 Source File  |  2005-10-16  |  450 b   |  16 lines
  1. # From Jim Meyering.
  2. # FIXME: migrate into libit.
  3.  
  4. AC_DEFUN([AM_FUNC_OBSTACK],
  5. [AC_CACHE_CHECK([for obstacks], am_cv_func_obstack,
  6.  [AC_TRY_LINK([#include "obstack.h"],
  7.           [struct obstack *mem;obstack_free(mem,(char *) 0)],
  8.           am_cv_func_obstack=yes,
  9.           am_cv_func_obstack=no)])
  10.  if test $am_cv_func_obstack = yes; then
  11.    AC_DEFINE(HAVE_OBSTACK,1,[Define if libc includes obstacks])
  12.  else
  13.    LIBOBJS="$LIBOBJS obstack.$ac_objext"
  14.  fi
  15. ])
  16.