dnl GCC_NEED_DECLARATION(FUNCTION [, EXTRA-HEADER-FILES])
-AC_DEFUN(GCC_NEED_DECLARATION,
+AC_DEFUN([GCC_NEED_DECLARATION],
[AC_MSG_CHECKING([whether $1 must be declared])
AC_CACHE_VAL(gcc_cv_decl_needed_$1,
[AC_TRY_COMPILE([
dnl Check multiple functions to see whether each needs a declaration.
dnl GCC_NEED_DECLARATIONS(FUNCTION... [, EXTRA-HEADER-FILES])
-AC_DEFUN(GCC_NEED_DECLARATIONS,
+AC_DEFUN([GCC_NEED_DECLARATIONS],
[for ac_func in $1
do
GCC_NEED_DECLARATION($ac_func, $2)