#serial 6 AC_DEFUN([gl_ERROR], [ AC_FUNC_ERROR_AT_LINE dnl Note: AC_FUNC_ERROR_AT_LINE does AC_LIBSOURCES([error.h, error.c]). jm_PREREQ_ERROR ]) # Prerequisites of lib/error.c. AC_DEFUN([jm_PREREQ_ERROR], [ AC_REQUIRE([AC_HEADER_STDC]) AC_CHECK_FUNCS_ONCE(doprnt vprintf) AC_CHECK_FUNCS(strerror) AC_CHECK_DECLS([strerror]) AC_FUNC_STRERROR_R ])