Am 15.01.2023 um 13:38 schrieb Alexander Grund via Cygwin:
The build system, finding it is running on Windows, will pass paths with backward slashes to the compiler.
And that's wrong. Cygwin is not, for practical intents and purposes, Windows. It just runs on top of it.
Yes, backslashed path names do work in some cases on Cygwin (note that in the case at hand, you did have to "" around the name for that to work). But at some point that idea has to be given up to achieve the primary goal of emulating a Unix-like environment.
The correct solution thus becomes "Don't do that, then." Fix the build system detection to recognize Cygwin as a type of Unix, and things will almost certainly just work.
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