[have_nss=no; AC_MSG_ERROR([You asked for NSS but I can't find it, $pkg_config_user_action, or set NSS_CFLAGS and NSS_LIBS.])])
AC_SUBST(NSS_CFLAGS)
AC_SUBST(NSS_LIBS)
+
+ save_CFLAGS="$CFLAGS"
+ save_LIBS="$LIBS"
+ LIBS="$LIBS $NSS_LIBS"
+ CFLAGS="$CFLAGS $NSS_CFLAGS"
+ AC_MSG_CHECKING([whether NSS defines ssl_kea_ecdh_hybrid(_psk)])
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
+ #include <sslt.h>
+ int v = (int) ssl_kea_ecdh_hybrid_psk;
+ int v2 = (int) ssl_kea_ecdh_hybrid;
+ ]], [[]])],
+ [ AC_MSG_RESULT([yes]);
+ AC_DEFINE(NSS_HAS_ECDH_HYBRID, 1, [whether nss defines ecdh_hybrid key exchange.])
+ ],
+ [ AC_MSG_RESULT([no]) ])
+ LIBS="$save_LIBS"
+ CPPFLAGS="$save_CPPFLAGS"
fi
dnl ------------------------------------------------------
case ssl_kea_ecdh_psk: return false;
case ssl_kea_dh_psk: return false;
+#ifdef NSS_HAS_ECDH_HYBRID
+ case ssl_kea_ecdh_hybrid_psk: return false;
+ case ssl_kea_ecdh_hybrid: return true;
+#endif
+
case ssl_kea_dh: return true;
case ssl_kea_ecdh: return true;
case ssl_kea_tls13_any: return true;