diff --git a/package/libsodium/Config.in b/package/libsodium/Config.in
index 47b9bb350c..518b0532ed 100644
--- a/package/libsodium/Config.in
+++ b/package/libsodium/Config.in
@@ -4,3 +4,15 @@ config BR2_PACKAGE_LIBSODIUM
 	  A modern and easy-to-use crypto library.
 
 	  http://libsodium.org/
+
+if BR2_PACKAGE_LIBSODIUM
+
+config BR2_PACKAGE_LIBSODIUM_FULL
+	bool "all functions"
+	default y
+	help
+	  Build all seldom used and obsolete functions. Without
+	  this option, only the minimal set of normally used
+	  functions is built.
+
+endif
diff --git a/package/libsodium/libsodium.mk b/package/libsodium/libsodium.mk
index a94a8271c5..a8e0f79149 100644
--- a/package/libsodium/libsodium.mk
+++ b/package/libsodium/libsodium.mk
@@ -14,5 +14,11 @@ ifeq ($(BR2_TOOLCHAIN_SUPPORTS_PIE),)
 LIBSODIUM_CONF_OPTS += --disable-pie
 endif
 
+ifeq ($(BR2_PACKAGE_LIBSODIUM_FULL),y)
+LIBSODIUM_CONF_OPTS += --disable-minimal
+else
+LIBSODIUM_CONF_OPTS += --enable-minimal
+endif
+
 $(eval $(autotools-package))
 $(eval $(host-autotools-package))