dnl #
dnl # Check for libcrypto. Used for userspace password derivation via PBKDF2.
AC_DEFUN([ZFS_AC_CONFIG_USER_LIBCRYPTO], [
ZFS_AC_FIND_SYSTEM_LIBRARY(LIBCRYPTO, [libcrypto], [openssl/evp.h], [], [crypto], [PKCS5_PBKDF2_HMAC_SHA1], [], [
AC_MSG_FAILURE([
*** evp.h missing, libssl-devel package required])])
])