build2 auto-symexport appears to include COFF weak/artifact symbols in the generated .def file on MSVC/Windows
libabseil-2025.127.2+1\absl\abseil.def : fatal error LNK1242: '.weak.AbslContainerInternalSampleEverything_lts_20250127.default.??$_Getvals@_W@?$time_get@DV?$istreambuf_iterator@DU?$char_traits@D@std@@@std@@@std@@IEAAX_WAEBV_Locinfo@1@@Z' is an invalid export symbol name
build2 auto-symexport appears to include COFF weak/artifact symbols in the generated .def file on MSVC/Windows