fix FTBFS with boost 1.71

debian/changelog

@@ -1,3 +1,10 @@
+calamares (3.2.17.1-0ubuntu4) focal; urgency=medium
+
+  * Add patch to fix cmake finding boost 1.71. Fixes FTBFS.
+    - debian/patches: cmake-fix-find-boost.patch
+
+ -- Rik Mills <rikmills@kde.org>  Sun, 09 Feb 2020 20:43:08 +0000
+
 calamares (3.2.17.1-0ubuntu3) focal; urgency=medium
 
   * No change rebuild against new boost1.71 ABI

debian/patches/cmake-fix-find-boost.patch

@@ -0,0 +1,16 @@
+Description: CMake: fix find-boost with 1.71
+Origin: https://github.com/calamares/calamares/commit/c482990bc5b5233e2f4abda75fda8700308f5bea
+
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -322,6 +322,10 @@
+ )
+ 
+ if ( PYTHONLIBS_FOUND )
++    # Since Boost provides CMake config files (starting with Boost 1.70.
++    # or so) the mess that is the Calamares find code picks the wrong
++    # bits. Suppress those CMake config files, as suggested by @jmrcpn
++    set(Boost_NO_BOOST_CMAKE ON)
+     include( BoostPython3 )
+     find_boost_python3( ${BOOSTPYTHON_VERSION} ${PYTHONLIBS_VERSION_STRING} CALAMARES_BOOST_PYTHON3_FOUND )
+     set_package_properties(

debian/patches/series

@@ -1,2 +1,3 @@
 0001-replace-pkexec-by-sudo.patch
 apport-package-hook.patch
+cmake-fix-find-boost.patch