Experimental Physics and
Industrial Control System

I was recently compiling EPICS base 3.15 for an earlier windows version from Windows 10 and had a compile error with the WIN32 base implementation of  SetThreadName.cpp. The file always sets _WIN32_WINNT to 0x400 (Specifying Windows NT 4.0, the comment says it is dropping support for W95!) which then conflicted with my setting of NTDDI_VERSION. The  _WIN32_WINNT macro is also set to 0x400 in osdMutex.c and osdThread.c but in these files it is only set if not otherwise defined externally. A similar check for an existing definition in SetThreadName.cpp would avoid my compile issue, but as Windows 95 and NT 4.0 are long in the past I wonder if removing these redefinitions of _WIN32_WINNT from base would now be appropriate

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Complexity comes for free, Simplicity you have to work for.