Revert "CMakeLists.txt: turning off Wno-ignored-attributes on GCC and Clang again" That change breaks compilation on the old buildserver (gcc 5.4). We'll deal with the warning later somehow.
Revert "CMakeLists.txt: turning off Wno-ignored-attributes on GCC and Clang again"
That change breaks compilation on the old buildserver (gcc 5.4). We'll deal with the warning later somehow.

This reverts commit 50448bf4dd178ce60b0e18aa2388ce29614715dc.

prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r,prusa3d/Slic3r