ncmpcpp-git-mtime-sort vizualization

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https://bbs.archlinux.org – l have searched but not found a clue to this problem.I wanted vizualization in ncmpcpp and so I tried to install ncmpcpp-git from AUR...This would not compile giving an error thus;ncmpcpp.cpp:137:13: error: unable to find string literal operator 'operator"" VERSION' make[2]: *** [ncmpcpp.o] Error 1 make[2]: Leaving directory `/home/neil/tmp/yaourt-tmp-neil/aur-ncmpcpp-git/src/ncmpcpp-build/src' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/neil/tmp/yaourt-tmp-neil/aur-ncmpcpp-git/src/ncmpcpp-build' make: *** [all] Error 2 ==> ERROR: A f (HowTos)