Bug #20904: 3.4.0-preview2: Building miniruby.exe fails for mswin32

• Status: Open
• Assignee: -
• Target version: -
• Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN

[jun66j5 (Jun Omae)]

I tried to build 3.4.0-preview2 with MSVC x86, however linking miniruby.exe failed with the following eror:

linking miniruby.exe
   Creating library miniruby.lib and object miniruby.exp
win32.obj : error LNK2019: unresolved external symbol _GetSystemTimePreciseAsFileTime referenced in function _clock_gettime
miniruby.exe : fatal error LNK1120: 1 unresolved externals

It doesn't fail with MSVC x64.

Investigating it, Windows 8 is required after #20563 but NTVER is still 0x0600 in win32/Makefile.sub. I think it should be 0x0602. Workaround is to invoke win32\configure.bat with --with-ntver=0x0602.

Also, adding temporarily -w24013 to WARNFLAGS in win32/Makefile.sub, the following warning is received.

compiling win32/win32.c
win32.c
win32/win32.c(4789): warning C4013: 'GetSystemTimePreciseAsFileTime' undefined; assuming extern returning int