diff -Nru cxref-1.6e/debian/changelog cxref-1.6e/debian/changelog
--- cxref-1.6e/debian/changelog	2022-07-12 17:03:49.000000000 +0000
+++ cxref-1.6e/debian/changelog	2022-07-15 14:34:54.000000000 +0000
@@ -1,3 +1,16 @@
+cxref (1.6e-5) unstable; urgency=medium
+
+  * Bug fix: "please make the build reproducible - non-reproducible
+    timestamp in build log", thanks to Philip Rinn (Closes: #1014877).
+    rm cxref.log from cxref-doc package.
+  * Bug fix: "please rebuild with dh_elpa 2.x", thanks to David Bremner
+    (Closes: #973966).  Remove build-dep on dh-elpa for now.
+  * Bug fix: "cxref FTCBFS: uses AC_TRY_COMPILE", thanks to Helmut Grohne
+    (Closes: #962163).  Apply AC_TRY_COMPILE patch
+  * tempfile -> mktemp in cxref-cpp-wrap
+ 
+ -- Camm Maguire <camm@debian.org>  Fri, 15 Jul 2022 10:34:54 -0400
+
 cxref (1.6e-4) unstable; urgency=medium
 
   * Acknowledge NMU with modifications, thanks Philip Rinn
diff -Nru cxref-1.6e/debian/control cxref-1.6e/debian/control
--- cxref-1.6e/debian/control	2022-07-12 16:42:25.000000000 +0000
+++ cxref-1.6e/debian/control	2022-07-15 14:10:50.000000000 +0000
@@ -2,7 +2,7 @@
 Section: devel
 Priority: optional
 Maintainer: Camm Maguire <camm@debian.org>
-Build-Depends: bison (>= 1:1.28-5), debhelper-compat (= 13), flex (>= 2.5.4a-6), linuxdoc-tools, texlive-base-bin, texlive-latex-recommended, debconf, po-debconf, dpkg-dev (>= 1.16.1~), dh-elpa
+Build-Depends: bison (>= 1:1.28-5), debhelper-compat (= 13), flex (>= 2.5.4a-6), linuxdoc-tools, texlive-base-bin, texlive-latex-recommended, debconf, po-debconf, dpkg-dev (>= 1.16.1~)
 Standards-Version: 4.1.3
 Homepage: https://www.gedanken.org.uk/software/cxref/
 
diff -Nru cxref-1.6e/debian/cxref-cpp.wrap cxref-1.6e/debian/cxref-cpp.wrap
--- cxref-1.6e/debian/cxref-cpp.wrap	2010-06-07 20:43:39.000000000 +0000
+++ cxref-1.6e/debian/cxref-cpp.wrap	2022-07-15 14:26:50.000000000 +0000
@@ -3,7 +3,8 @@
 set -e
 
 DEF=/etc/cxref/cxref-cpp.defines
-TMP=`tempfile -p cxref -m 600`
+#TMP=`tempfile -p cxref -m 600`
+TMP=`mktemp cxref.XXXXXXXXXX`
 
 (
 #    LC_ALL=C
diff -Nru cxref-1.6e/debian/patches/AC_TRY_COMPILE cxref-1.6e/debian/patches/AC_TRY_COMPILE
--- cxref-1.6e/debian/patches/AC_TRY_COMPILE	1970-01-01 00:00:00.000000000 +0000
+++ cxref-1.6e/debian/patches/AC_TRY_COMPILE	2022-07-15 14:33:14.000000000 +0000
@@ -0,0 +1,52 @@
+Description: <short summary of the patch>
+ TODO: Put a short summary on the line above and replace this paragraph
+ with a longer explanation of this change. Complete the meta-information
+ with other relevant fields (see below for details). To make it easier, the
+ information below has been extracted from the changelog. Adjust it or drop
+ it.
+ .
+ cxref (1.6e-5) unstable; urgency=medium
+ .
+   * Bug fix: "please make the build reproducible - non-reproducible
+     timestamp in build log", thanks to Philip Rinn (Closes: #1014877).
+   * Bug fix: "please rebuild with dh_elpa 2.x", thanks to David Bremner
+     (Closes: #973966).  Remove build-dep on dh-elpa for now.
+   * Bug fix: "cxref FTCBFS: uses AC_TRY_COMPILE", thanks to Helmut Grohne
+     (Closes: #962163).  Apply AC_TRY_COMPILE patch
+   * tempfile -> mktemp in cxref-cpp-wrap
+Author: Camm Maguire <camm@debian.org>
+Bug-Debian: https://bugs.debian.org/962163
+Bug-Debian: https://bugs.debian.org/973966
+Bug-Debian: https://bugs.debian.org/1014877
+
+---
+The information above should follow the Patch Tagging Guidelines, please
+checkout http://dep.debian.net/deps/dep3/ to learn about the format. Here
+are templates for supplementary fields that you might want to add:
+
+Origin: <vendor|upstream|other>, <url of original patch>
+Bug: <url in upstream bugtracker>
+Bug-Debian: https://bugs.debian.org/<bugnumber>
+Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
+Forwarded: <no|not-needed|url proving that it has been forwarded>
+Reviewed-By: <name and email of someone who approved the patch>
+Last-Update: 2022-07-15
+
+--- cxref-1.6e.orig/cpp/configure.in
++++ cxref-1.6e/cpp/configure.in
+@@ -44,13 +44,13 @@ if test ! "x$GCC" = "x" ; then
+ 
+    AC_MSG_CHECKING([if installed gcc is new enough to use instead of cxref-cpp])
+ 
+-   AC_TRY_RUN([
++   AC_TRY_COMPILE([
+    int main()
+    {
+    #if defined(__GNUC__) && ( ( __GNUC__==2 && __GNUC_MINOR__>=8 ) || __GNUC__>=3 )
+     exit(0);
+    #else
+-    exit(1);
++   #error too old
+    #endif
+    }
+    ],
diff -Nru cxref-1.6e/debian/patches/series cxref-1.6e/debian/patches/series
--- cxref-1.6e/debian/patches/series	2018-01-30 16:50:37.000000000 +0000
+++ cxref-1.6e/debian/patches/series	2022-07-15 14:33:14.000000000 +0000
@@ -3,3 +3,4 @@
 kr-crash-doc
 c_warning_cleanups_and_defines_for_Float128
 # CPPFLAGS-hardening-patch
+AC_TRY_COMPILE
diff -Nru cxref-1.6e/debian/rules cxref-1.6e/debian/rules
--- cxref-1.6e/debian/rules	2022-07-12 16:34:36.000000000 +0000
+++ cxref-1.6e/debian/rules	2022-07-15 14:06:56.000000000 +0000
@@ -69,6 +69,9 @@
 	$(MAKE) install DESTDIR=`pwd`/debian/tmp
 	$(MAKE) docs DESTDIR=`pwd`/debian/tmp
 
+#	Remove log file (contains non-reproducible timestamp) 
+	rm -f doc/example/cxref.log
+
 # 	Remove build path from documentation
 	find doc/ -type f -exec sed -i -e "s,$(CURDIR),BUILDPATH,g" '{}' \;