--- /dev/null
+--- a/src/libsodium/Makefile.am
++++ b/src/libsodium/Makefile.am
+@@ -59,6 +59,7 @@ libsodium_la_SOURCES = \
+ crypto_scalarmult/curve25519/ref10/x25519_ref10.h \
+ crypto_scalarmult/curve25519/scalarmult_curve25519.c \
+ crypto_scalarmult/curve25519/scalarmult_curve25519.h \
++ crypto_scalarmult/ed25519/ref10/scalarmult_ed25519_ref10.c \
+ crypto_secretbox/crypto_secretbox.c \
+ crypto_secretbox/crypto_secretbox_easy.c \
+ crypto_secretbox/xsalsa20poly1305/secretbox_xsalsa20poly1305.c \
+@@ -160,7 +161,6 @@ libsodium_la_SOURCES += \
+ crypto_pwhash/scryptsalsa208sha256/pbkdf2-sha256.h \
+ crypto_pwhash/scryptsalsa208sha256/pwhash_scryptsalsa208sha256.c \
+ crypto_pwhash/scryptsalsa208sha256/nosse/pwhash_scryptsalsa208sha256_nosse.c \
+- crypto_scalarmult/ed25519/ref10/scalarmult_ed25519_ref10.c \
+ crypto_scalarmult/ristretto255/ref10/scalarmult_ristretto255_ref10.c \
+ crypto_secretbox/xchacha20poly1305/secretbox_xchacha20poly1305.c \
+ crypto_shorthash/siphash24/shorthash_siphashx24.c \
+--- a/src/libsodium/include/sodium.h
++++ b/src/libsodium/include/sodium.h
+@@ -33,6 +33,7 @@
+ #include "sodium/crypto_pwhash_argon2i.h"
+ #include "sodium/crypto_scalarmult.h"
+ #include "sodium/crypto_scalarmult_curve25519.h"
++#include "sodium/crypto_scalarmult_ed25519.h"
+ #include "sodium/crypto_secretbox.h"
+ #include "sodium/crypto_secretbox_xsalsa20poly1305.h"
+ #include "sodium/crypto_secretstream_xchacha20poly1305.h"
+@@ -57,7 +58,6 @@
+ # include "sodium/crypto_box_curve25519xchacha20poly1305.h"
+ # include "sodium/crypto_core_ed25519.h"
+ # include "sodium/crypto_core_ristretto255.h"
+-# include "sodium/crypto_scalarmult_ed25519.h"
+ # include "sodium/crypto_scalarmult_ristretto255.h"
+ # include "sodium/crypto_secretbox_xchacha20poly1305.h"
+ # include "sodium/crypto_pwhash_scryptsalsa208sha256.h"