1 dnl See whether we need a declaration for a function.
2 AC_DEFUN([BFD_NEED_DECLARATION],
3 [AC_MSG_CHECKING([whether $1 must be declared])
4 AC_CACHE_VAL(bfd_cv_decl_needed_$1,
20 [char *(*pfn) = (char *(*)) $1],
21 bfd_cv_decl_needed_$1=no, bfd_cv_decl_needed_$1=yes)])
22 AC_MSG_RESULT($bfd_cv_decl_needed_$1)
23 if test $bfd_cv_decl_needed_$1 = yes; then
24 AC_DEFINE([NEED_DECLARATION_]translit($1, [a-z], [A-Z]), 1,
25 [Define if $1 is not declared in system header files.])