dnl Used in tests/Makefile.am to build the test only if error() is available.
AM_CONDITIONAL([HAVE_ERROR_H],[test "x$ac_cv_header_error_h" = xyes])
dnl Used in tests/Makefile.am to build the test only if error() is available.
AM_CONDITIONAL([HAVE_ERROR_H],[test "x$ac_cv_header_error_h" = xyes])