GnuPG 2.5.4 build failure on Cygwin

[Werner Koch]

On Thu, 13 Feb 2025 15:14, Marco Atzeri said:
> Building on Cygwin 64 bit

> What is supposed to be SOCKET ?

This is used by Windows; configure.ac has this test:

  # Check SOCKET type for Windows.
  AC_CHECK_TYPES([SOCKET], [], [], [[#include "winsock2.h"]])

> Posix does not define "SOCKET" in sys/socket.h

Cygwin is a mix of WIndows and Posix and thus you will run into such
problems.  Cygwin is not supported by GnuPG because you can build it
native for Windows or use it with WSL.

I would suggest to run configure this way

  ./configure ac_cv_type_SOCKET=no

to tell the test that there is no SOCKET type on your system.


Salam-Shalom,

   Werner

-- 
The pioneers of a warless world are the youth that
refuse military service.             - A. Einstein
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