Autogen: 3.28 regresses Unix Makefiles support for folder with spaces
The attached project FTBFS when using the unix makefile generator, but works fine with ninja. This seems to be a somewhat recent issue, as it was uncovered in a unit test of kdevelop, which has existed in that form for many years already.
[ 0%] Built target foo_autogen_timestamp_deps
gmake[2]: *** No rule to make target 'path\ with\ space/CMakeFiles/foo_autogen.dir/compiler_depend.ts', needed by 'path with space/foo_autogen/timestamp'. Stop.
gmake[1]: *** [CMakeFiles/Makefile2:237: path with space/CMakeFiles/foo_autogen.dir/all] Error 2
gmake: *** [Makefile:91: all] Error 2