debian/changelog

+asterisk (1:16.1.0~dfsg-2) experimental; urgency=medium
+
+  * Add patch to rerun autoconf in third_party/pjproject, hopefully fixes
+    FTBFS on new architectures like ppc64el
+
+ -- Bernhard Schmidt <berni@debian.org>  Fri, 21 Dec 2018 00:37:07 +0100
+
 asterisk (1:16.1.0~dfsg-1) experimental; urgency=medium
 
   [ Bernhard Schmidt ]

debian/patches/autoreconf-pjproject

+--- a/third-party/pjproject/Makefile
++++ b/third-party/pjproject/Makefile
+@@ -100,6 +100,7 @@
+ 	@mv pjproject-$(PJPROJECT_VERSION) source
+ 	$(ECHO_PREFIX) Applying patches "$(realpath patches)" "$(realpath .)/source"
+ 	$(CMD_PREFIX) ../apply_patches $(QUIET_CONFIGURE) "$(realpath patches)" "$(realpath .)/source"
++	cd source && autoconf aconfigure.ac >aconfigure
+ 	-@touch source/.unpacked
+ 
+ source/version.mak: source/.unpacked

debian/patches/series

@@ -31,3 +31,4 @@ ffmpeg-detection.patch
 ffmpeg-includes.patch
 
 build-reproducibly
+autoreconf-pjproject