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Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.4.0-0.11

Hi Corinna,

On 12/17/2015 4:36 AM, Corinna Vinschen wrote:
Hi Ken,

On Dec 16 18:12, Ken Brown wrote:
On 12/16/2015 11:48 AM, Corinna Vinschen wrote:
- The header file layout has been cleaned up, mostly in terms of the
    sys/select.h, sys/signal.h and sys/types.h files.  This is a generic
    change in newlib and aligns the affected headers more closely to
    the FreeBSD layout.

These changes are leading to lots of errors when building emacs:

/usr/include/cygwin/signal.h:178:3: error: unknown type name âpthread_attr_tâ

/usr/include/cygwin/signal.h:213:3: error: unknown type name âpid_tâ

/usr/include/cygwin/signal.h:230:2: error: unknown type name âtimer_tâ

/usr/include/sys/signal.h:211:6: error: #error You need the winsup sources or a cygwin installation to compile the cygwin version of newlib.

/usr/include/sys/signal.h:214:5: error: unknown type name âpthread_tâ

/usr/include/sys/time.h:104:34: error: unknown type name âu_intâ

[... and many more]

This puzzles me.  It looks like you're missing sys/types.h when
including sys/signal,h, but sys/signal.h includes sys/types.h by
itself, prior to including cygwin/signal.h.

How can I reproduce this?  An STC like this:

   #include <signal.h>
   main () {}

is definitely not sufficient.

Sorry, I hadn't looked at what was happening closely enough before sending my mail. The errors occur while compiling some Gnulib modules in the emacs source tree. It may take me a while to sort this out. Maybe Gnulib will have to be patched to take Cygwin's new header layout into account.


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