--- a/debian/patches/reproducible_build.patch	1970-01-01 01:00:00.000000000 +0100
--- b/debian/patches/reproducible_build.patch	2020-10-17 11:12:34.597243518 +0100
@@ -0,0 +1,41 @@
+Description: Make the build reproducible
+Author: Chris Lamb <lamby@debian.org>
+Last-Update: 2020-10-17
+
+--- fckit-0.9.0.orig/fckit-import.cmake.in
++++ fckit-0.9.0/fckit-import.cmake.in
+@@ -6,14 +6,9 @@
+ # granted to it by virtue of its status as an intergovernmental organisation nor
+ # does it submit to any jurisdiction.
+ 
+-if( @PROJECT_NAME@_IS_BUILD_DIR_EXPORT )
+-  set( FCTEST_GENERATOR @PYTHON_EXECUTABLE@ @CMAKE_CURRENT_SOURCE_DIR@/tools/fctest-generate-runner.py )
+-  set( FYPP @CMAKE_CURRENT_SOURCE_DIR@/tools/fckit-eval.sh @PYTHON_EXECUTABLE@ @CMAKE_CURRENT_SOURCE_DIR@/tools/fckit-fypp.py )
+-else()
+-  set( FCKIT_INSTALL_PREFIX ${CMAKE_CURRENT_LIST_DIR}/../../.. )
+-  set( FCTEST_GENERATOR @PYTHON_EXECUTABLE@ ${FCKIT_INSTALL_PREFIX}/libexec/fctest-generate-runner.py )
+-  set( FYPP ${FCKIT_INSTALL_PREFIX}/libexec/fckit-eval.sh @PYTHON_EXECUTABLE@ ${FCKIT_INSTALL_PREFIX}/libexec/fckit-fypp.py )
+-endif()
++set( FCKIT_INSTALL_PREFIX ${CMAKE_CURRENT_LIST_DIR}/../../.. )
++set( FCTEST_GENERATOR @PYTHON_EXECUTABLE@ ${FCKIT_INSTALL_PREFIX}/libexec/fctest-generate-runner.py )
++set( FYPP ${FCKIT_INSTALL_PREFIX}/libexec/fckit-eval.sh @PYTHON_EXECUTABLE@ ${FCKIT_INSTALL_PREFIX}/libexec/fckit-fypp.py )
+ 
+ @FCKIT_PREPROCESS_FYPP@
+ 
+--- fckit-0.9.0.orig/src/apps/fckit.in
++++ fckit-0.9.0/src/apps/fckit.in
+@@ -42,14 +42,10 @@ info()
+   echo ""
+   echo "Build:"
+   echo "  build type      : @CMAKE_BUILD_TYPE@"
+-  echo "  timestamp       : @EC_BUILD_TIMESTAMP@"
+   echo "  op. system      : @CMAKE_SYSTEM@ (@EC_OS_NAME@.@EC_OS_BITS@)"
+   echo "  processor       : @CMAKE_SYSTEM_PROCESSOR@"
+-  echo "  sources         : @PROJECT_SOURCE_DIR@"
+   echo "  c++ compiler    : @CMAKE_CXX_COMPILER_ID@ @CMAKE_CXX_COMPILER_VERSION@"
+-  echo "    flags         : @EC_CXX_FLAGS@"
+   echo "  fortran compiler: @CMAKE_Fortran_COMPILER_ID@ @CMAKE_Fortran_COMPILER_VERSION@"
+-  echo "    flags         : @EC_Fortran_FLAGS@"
+   echo ""
+   echo "Features:"
+   echo "  MPI             : $(print_feature @eckit_HAVE_MPI@)"
--- a/debian/patches/series	2020-10-17 10:42:19.834474336 +0100
--- b/debian/patches/series	2020-10-17 11:12:33.485228123 +0100
@@ -1,2 +1,3 @@
 shared_lib.patch
 paths.patch
+reproducible_build.patch