hdr_histogram.c lua_hdrhistogram.c Microsoft (R) Incremental Linker Version 14.00.23026.0 Copyright (C) Microsoft Corporation. All rights reserved. Creating library hdrhistogram.lib and object hdrhistogram.exp hdr_histogram.obj : error LNK2019: unresolved external symbol __builtin_clzll referenced in function _iter_linear_next hdrhistogram.dll : fatal error LNK1120: 1 unresolved externals Installing https://luarocks.org/hdrhistogram-0.1.0-1.rockspec... Using https://luarocks.org/hdrhistogram-0.1.0-1.rockspec... switching to 'build' mode cl /nologo /MD /O2 -c -Fohdr_histogram.obj -IZ:/sp/Dropbox/Windows/x64/luajit/src hdr_histogram.c -DDIST_VERSION="0.1.0" cl /nologo /MD /O2 -c -Folua_hdrhistogram.obj -IZ:/sp/Dropbox/Windows/x64/luajit/src lua_hdrhistogram.c -DDIST_VERSION="0.1.0" link -dll -def:hdrhistogram.def -out:hdrhistogram.dll Z:/sp/Dropbox/Windows/x64/luajit/src/lua51.lib hdr_histogram.obj lua_hdrhistogram.obj