I have just uploaded a NMU for this not to block openssl migration.
debdiff is attached.
diff -Nru autobahn-cpp-17.5.1+git7cc5d37/debian/changelog
autobahn-cpp-17.5.1+git7cc5d37/debian/changelog
--- autobahn-cpp-17.5.1+git7cc5d37/debian/changelog 2021-02-08
21:23:04.000000000 +0100
+++ autobahn-cpp-17.5.1+git7cc5d37/debian/changelog 2022-05-21
20:46:38.000000000 +0200
@@ -1,3 +1,11 @@
+autobahn-cpp (17.5.1+git7cc5d37-2.2) unstable; urgency=medium
+
+ * Non-maintainer upload.
+ * Add -Wno-error=deprecated-declarations flag. (Closes: #995634)
+ * d/control: Remove non-existing Vcs-* fields.
+
+ -- Bastian Germann <b...@debian.org> Sat, 21 May 2022 20:46:38 +0200
+
autobahn-cpp (17.5.1+git7cc5d37-2.1) unstable; urgency=medium
* Non-maintainer upload.
diff -Nru autobahn-cpp-17.5.1+git7cc5d37/debian/control
autobahn-cpp-17.5.1+git7cc5d37/debian/control
--- autobahn-cpp-17.5.1+git7cc5d37/debian/control 2017-11-21
22:05:36.000000000 +0100
+++ autobahn-cpp-17.5.1+git7cc5d37/debian/control 2022-05-21
20:46:38.000000000 +0200
@@ -5,8 +5,6 @@
Standards-Version: 3.9.8
Section: libs
Homepage: http://autobahn.ws
-Vcs-Git: https://anonscm.debian.org/collab-maint/autobahn-cpp.git
-Vcs-Browser: https://anonscm.debian.org/cgit/collab-maint/autobahn-cpp.git
Package: autobahn-cpp-dev
Section: libdevel
diff -Nru autobahn-cpp-17.5.1+git7cc5d37/debian/rules
autobahn-cpp-17.5.1+git7cc5d37/debian/rules
--- autobahn-cpp-17.5.1+git7cc5d37/debian/rules 2017-11-21 21:34:17.000000000
+0100
+++ autobahn-cpp-17.5.1+git7cc5d37/debian/rules 2022-05-21 20:46:38.000000000
+0200
@@ -3,7 +3,7 @@
# output every command that modifies files on the build system.
#export DH_VERBOSE = 1
-export DEB_CXXFLAGS_MAINT_APPEND = -DMSGPACK_DEFAULT_API_VERSION=1
+export DEB_CXXFLAGS_MAINT_APPEND = -DMSGPACK_DEFAULT_API_VERSION=1
-Wno-error=deprecated-declarations
%:
dh $@ --parallel
