Hi Eric, > @@ -59,7 +59,8 @@ AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS], > [_AC_LANG_DISPATCH([$0], _AC_LANG, $@)]) > > # Specialization for _AC_LANG = C. This macro can be AC_REQUIREd. > -AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C)], > +# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < > 2.63b. > +m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C)], > [ > AC_LANG_PUSH([C]) > gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL > @@ -67,7 +68,8 @@ AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C)], > ]) > > # Specialization for _AC_LANG = C++. This macro can be AC_REQUIREd. > -AC_DEFUN([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C++)], > +# Use of m4_defun rather than AC_DEFUN works around a bug in autoconf < > 2.63b. > +m4_defun([gl_UNKNOWN_WARNINGS_ARE_ERRORS(C++)], > [ > AC_LANG_PUSH([C++]) > gl_UNKNOWN_WARNINGS_ARE_ERRORS_IMPL
Is m4_defun sufficient for AC_REQUIRE to work? The comments state that it is essential that these macros can be AC_REQUIREd. This is needed for gl_WARN_ADD (warnings.m4 line 94). Bruno
