ngraham added a comment.
$ (arcpatch-D18244) cmake -DCMAKE_INSTALL_PREFIX=/usr -DPYTHON_EXECUTABLE=/usr/bin/python3 . -- The following RUNTIME packages have been found: * GTKEngine, Pixmap/Pixbuf theme engine for GTK 2, <http://www.gtk.org/> Required for GTK 2 theme -- The following REQUIRED packages have been found: * ECM (required version >= 0.0.9) * Sass, SASS compiler, <https://sass-lang.com/> Required for building GTK themes * PythonInterp (required version >= 3) * PythonCairo Required to render assets * Breeze Required to build the Breeze GTK+ styles * Qt5 * Qt5Core -- Configuring done -- Generating done -- Build files have been written to: /home/dev/repos/breeze-gtk Trying Python 2: dev@dev-pc:~/repos/breeze-gtk$ (arcpatch-D18244) cmake -DCMAKE_INSTALL_PREFIX=/usr -DPYTHON_EXECUTABLE=/usr/bin/python2 . CMake Error at /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:137 (message): Could NOT find PythonInterp: Found unsuitable version "2.7.15", but required is at least "3" (found /usr/bin/python2) Call Stack (most recent call first): /usr/share/cmake-3.10/Modules/FindPackageHandleStandardArgs.cmake:376 (_FPHSA_FAILURE_MESSAGE) /usr/share/cmake-3.10/Modules/FindPythonInterp.cmake:152 (FIND_PACKAGE_HANDLE_STANDARD_ARGS) cmake/FindPythonCairo.cmake:2 (find_package) CMakeLists.txt:13 (find_package) -- Configuring incomplete, errors occurred! See also "/home/dev/repos/breeze-gtk/CMakeFiles/CMakeOutput.log". REPOSITORY R98 Breeze for Gtk BRANCH master REVISION DETAIL https://phabricator.kde.org/D18244 To: davidedmundson, #plasma, ngraham Cc: ngraham, zzag, plasma-devel, sukalyanbanga, jraleigh, GB_2, ragreen, Pitel, ZrenBot, lesliezhai, ali-mohamed, jensreuterberg, abetts, sebas, apol, mart