diff -Nru libsodium-1.0.18/debian/changelog libsodium-1.0.18/debian/changelog
--- libsodium-1.0.18/debian/changelog	2019-08-18 11:58:00.000000000 +0000
+++ libsodium-1.0.18/debian/changelog	2019-10-24 06:40:02.000000000 +0000
@@ -1,3 +1,9 @@
+libsodium (1.0.18-1+ubuntu19.10.1+deb.sury.org+1) eoan; urgency=medium
+
+  * No-change backport to eoan
+
+ -- Ondřej Surý <ondrej@sury.org>  Thu, 24 Oct 2019 08:40:02 +0200
+
 libsodium (1.0.18-1) unstable; urgency=medium
 
   * New upstream release.
diff -Nru libsodium-1.0.18/debian/compat libsodium-1.0.18/debian/compat
--- libsodium-1.0.18/debian/compat	2017-12-19 19:25:34.000000000 +0000
+++ libsodium-1.0.18/debian/compat	2019-08-18 11:58:00.000000000 +0000
@@ -1 +1 @@
-11
+10
diff -Nru libsodium-1.0.18/debian/control libsodium-1.0.18/debian/control
--- libsodium-1.0.18/debian/control	2019-08-18 11:58:00.000000000 +0000
+++ libsodium-1.0.18/debian/control	2019-08-18 11:58:00.000000000 +0000
@@ -1,11 +1,11 @@
 Source: libsodium
 Section: libs
 Priority: optional
-Build-Depends: debhelper ( >= 11), pkg-config
+Build-Depends: debhelper (>= 9), dh-autoreconf, autotools-dev, pkg-config
 Maintainer: Laszlo Boszormenyi (GCS) <gcs@debian.org>
 Standards-Version: 4.4.0
-Vcs-Git: git://github.com/gcsideal/debian-libsodium
-Vcs-Browser: https://github.com/gcsideal/debian-libsodium
+Vcs-Git: https://salsa.debian.org/ondrej/libsodium.git
+Vcs-Browser: https://salsa.debian.org/ondrej/libsodium
 Homepage: https://www.libsodium.org/
 
 Package: libsodium23
diff -Nru libsodium-1.0.18/debian/gbp.conf libsodium-1.0.18/debian/gbp.conf
--- libsodium-1.0.18/debian/gbp.conf	1970-01-01 00:00:00.000000000 +0000
+++ libsodium-1.0.18/debian/gbp.conf	2019-08-18 11:58:00.000000000 +0000
@@ -0,0 +1,10 @@
+[DEFAULT]
+debian-branch = master
+upstream-branch = upstream
+pristine-tar = True
+
+[dch]
+meta = 1
+
+[import-orig]
+filter = ['.gitignore']
diff -Nru libsodium-1.0.18/debian/rules libsodium-1.0.18/debian/rules
--- libsodium-1.0.18/debian/rules	2019-01-24 17:51:58.000000000 +0000
+++ libsodium-1.0.18/debian/rules	2019-08-18 11:58:00.000000000 +0000
@@ -4,5 +4,11 @@
 # Uncomment this to turn on verbose mode.
 #export DH_VERBOSE=1
 
+export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+DPKG_EXPORT_BUILDFLAGS = 1
+include /usr/share/dpkg/default.mk
+
+export DPKG_GENSYMBOLS_CHECK_LEVEL := 4
+
 %:
-	dh $@ --with autoreconf -Bbuild
+	dh $@ --with autoreconf --with autotools_dev -Bbuild --parallel -O--dbgsym-migration='libsodium-dbg (<< 1.0.13-1.1~)'