GNU bug report logs - #35405
Guile stable-2.2 HEAD fails to compile on MingGW-W64.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: John Ralls <jralls <at> ceridwen.us>
To: bug-guile <at> gnu.org
Subject: Guile stable-2.2 HEAD fails to compile on MingGW-W64.
Date: Tue, 23 Apr 2019 15:04:25 -0700

1. 
In file included from C:/gcdev64/gnucash/maint/src/guile/lib/poll.c:39:0:
C:/gcdev64/msys2/mingw32/i686-w64-mingw32/include/winsock2.h:1155:16: error: redefinition of 'struct pollfd'
 typedef struct pollfd {
                ^~~~~~
In file included from C:/gcdev64/gnucash/maint/src/guile/lib/poll.c:32:0:
./poll.h:405:8: note: originally defined here
 struct pollfd
        ^~~~~~
  CC       recvfrom.lo
C:/gcdev64/gnucash/maint/src/guile/lib/poll.c:329:1: error: conflicting types for 'poll'
 poll (struct pollfd *pfd, nfds_t nfd, int timeout)
 ^~~~
In file included from C:/gcdev64/gnucash/maint/src/guile/lib/poll.c:32:0:
./poll.h:435:1: note: previous declaration of 'poll' was here
 _GL_FUNCDECL_SYS (poll, int, (struct pollfd *pfd, nfds_t nfd, int timeout));
 ^

2.

C:/gcdev64/gnucash/maint/src/guile/libguile/socket.c:43:10: fatal error: netinet/tcp.h: No such file or directory
 #include <netinet/tcp.h>
          ^~~~~~~~~~~~~~~
3.
../lib/.libs/libgnu.a(timegm.o): In function `timegm':
C:/gcdev64/gnucash/maint/src/guile/lib/timegm.c:39: undefined reference to `mktime_internal'

Message #8 received at 35405 <at> debbugs.gnu.org (full text, mbox):

From: John Ralls <jralls <at> ceridwen.us>
To: 35405 <at> debbugs.gnu.org
Subject: Patch for 35405
Date: Tue, 23 Apr 2019 15:12:51 -0700

[0001-Fix-build-on-MinGW-w64.patch (application/octet-stream, attachment)]

Message #11 received at 35405 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: John Ralls <jralls <at> ceridwen.us>
Cc: 35405 <at> debbugs.gnu.org
Subject: Re: bug#35405: Patch for 35405
Date: Sun, 30 Jun 2019 17:30:27 +0200

Hi John,

Apologies for the late reply.

John Ralls <jralls <at> ceridwen.us> skribis:

> From f2de9d206b33bc2e27acde1e751df9ba8faf60a9 Mon Sep 17 00:00:00 2001
> From: John Ralls <jralls <at> ceridwen.us>
> Date: Tue, 23 Apr 2019 15:06:48 -0700
> Subject: [PATCH] Fix build on MinGW-w64
>
> Fixes bug 35405
>
>        * lib/poll.h: MinGW provides struct pollfd in winsock2.h and
>          lib/threads.h includes it so disable declaring it in poll.h and
>          get the declaration from winsock2.h. Otherwise gcc complains that
>          poll() has a different signature between the declaration and
>          definition.
>        * libguile/socket.c: TCP declarations are in winsock.h on Windows.
>        * libguile/timegm.c: MinGW doesn't include mktime so include mktime.c to
>          provide it.

The portability later in lib/ comes from the Gnulib project:

  https://gnu.org/s/gnulib

Could you check whether the issue is fixed there in current Git
‘master’, and if not report it to bug-gnulib <at> gnu.org?

Thank you,
Ludo’.

Message #14 received at 35405 <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Courtès <ludo <at> gnu.org>
To: John Ralls <jralls <at> ceridwen.us>
Cc: 35405 <at> debbugs.gnu.org
Subject: Re: bug#35405: Patch for 35405
Date: Sun, 30 Jun 2019 17:30:44 +0200

Hi John,

Apologies for the late reply.

John Ralls <jralls <at> ceridwen.us> skribis:

> From f2de9d206b33bc2e27acde1e751df9ba8faf60a9 Mon Sep 17 00:00:00 2001
> From: John Ralls <jralls <at> ceridwen.us>
> Date: Tue, 23 Apr 2019 15:06:48 -0700
> Subject: [PATCH] Fix build on MinGW-w64
>
> Fixes bug 35405
>
>        * lib/poll.h: MinGW provides struct pollfd in winsock2.h and
>          lib/threads.h includes it so disable declaring it in poll.h and
>          get the declaration from winsock2.h. Otherwise gcc complains that
>          poll() has a different signature between the declaration and
>          definition.
>        * libguile/socket.c: TCP declarations are in winsock.h on Windows.
>        * libguile/timegm.c: MinGW doesn't include mktime so include mktime.c to
>          provide it.

The portability layer in lib/ comes from the Gnulib project:

  https://gnu.org/s/gnulib

Could you check whether the issue is fixed there in current Git
‘master’, and if not report it to bug-gnulib <at> gnu.org?

Thank you,
Ludo’.

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