Hi,
Using Visual Studio 2017 15.5, the following minimal test case causes a
linker error with Boost 1.66 RC1 but builds fine with 1.65.1:
Produces...
1>------ Build started: Project: aZ80, Configuration: Debug Win32 ------
1>libboost_timer-vc141-mt-gd-x32-1_66.lib(cpu_timer.obj) : error LNK2005:
"public: static class boost::chrono::time_point > > __cdecl
boost::chrono::steady_clock::now(void)"
(?now@steady_clock@chrono@boost@@SA?AV?$time_point@Vsteady_clock@chrono@boost@@V?$duration@_JV?$ratio@$00$0DLJKMKAA@@boost@@@23@@23@XZ)
already defined in libboost_chrono-vc141-mt-gd-x32-1_66.lib(chrono.obj)
1>libboost_timer-vc141-mt-gd-x32-1_66.lib(cpu_timer.obj) : error LNK2005:
"double __cdecl boost::chrono::chrono_detail::get_nanosecs_per_tic(void)"
(?get_nanosecs_per_tic@chrono_detail@chrono@boost@@YANXZ) already defined in
libboost_chrono-vc141-mt-gd-x32-1_66.lib(chrono.obj)
1>C:\Projects\aZ80\vs\Debug\aZ80.exe : fatal error LNK1169: one or more
multiply defined symbols found
Swapping the order of the includes appears to workaround the problem.
Mark.
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