But the compiler generates a Windows executable following most of the
Windows ABI (object file format, calling convention, etc.)
On 12/05/2019 21.53, Hans-Bernhard Bröker wrote:
Am 12.05.2019 um 20:22 schrieb Agner Fog:
I have noticed that the gcc and clang compilers have defined the
preprocessing macro __unix__, but not __WINDOWS__, _WIN32, or _WIN64
when compiling a windows executable.
Why is this?
Because it's correct that way. Cygwin runs on Windows, but it _is_ not
Windows.
A C/C++ program will check for these macros if it wants to know which
operating system you are compiling for, and this will give the wrong
result.
No. It gives the correct result.
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