https://issues.dlang.org/show_bug.cgi?id=24308
Walter Bright <bugzi...@digitalmars.com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bugzi...@digitalmars.com --- Comment #1 from Walter Bright <bugzi...@digitalmars.com> --- This problem surfaced after: #include "sal.h" was added by: https://github.com/dlang/dmd/pull/15563 I'm wondering if the problem you're seeing is the INCLUDE environment variable that points to the VC include directory has not been set? --