6 dnl Note: AC_FUNC_ERROR_AT_LINE does AC_LIBSOURCES([error.h, error.c]).
7 if test $ac_cv_lib_error_at_line = no; then
12 # Prerequisites of lib/error.c.
13 AC_DEFUN([jm_PREREQ_ERROR],
15 AC_REQUIRE([AC_HEADER_STDC])
16 AC_CHECK_FUNCS_ONCE(doprnt vprintf)
17 AC_CHECK_FUNCS(strerror)
18 AC_CHECK_DECLS([strerror])