New submission from Brian Curtin <cur...@acm.org>:
Using Cygwin 1.7, there are build failures for both _curses, _curses_panel, and
_io.
The curses failures are because symlinking /usr/include/{n}curses.h from
/usr/include/{n}curses.h was removed in recent versions [0], so I added
"-I/usr/include/ncurses" to the BASECFLAGS for cygwin. Not knowing the ins and
outs of gcc/configure/make, I doubt the patch (ncurses_fix.diff) is correct or
complete. It works on my machine so at least it's a starting point (maybe?).
_io gets the following warning and then later failure on gcc 4.3.4:
/cygdrive/c/Users/bcurtin/cygwin-python/release27-maint/Modules/_io/_iomodule.c:172:
warning: ‘PyExc_BlockingIOError’ redeclared without dllimport attribute:
previous dllimport ignored
...
build/temp.cygwin-1.7.5-i686-2.7/cygdrive/c/Users/bcurtin/cygwin-python/release27-maint/Modules/_io/bufferedio.o:
In function `_buffered_check_blocking_error':
/cygdrive/c/Users/bcurtin/cygwin-python/release27-maint/Modules/_io/bufferedio.c:558:
undefined reference to `__imp__PyExc_BlockingIOError'
/cygdrive/c/Users/bcurtin/cygwin-python/release27-maint/Modules/_io/bufferedio.c:558:
undefined reference to `__imp__PyExc_BlockingIOError'
My Linux compile (gcc 4.5.0) gets the same warning, but no error. Windows is
totally fine with _iomodule.c:172.
This was found by Ben Walker.
[0] http://cygwin.com/ml/cygwin-announce/2010-01/msg00002.html
----------
assignee: brian.curtin
components: Build, Extension Modules, Windows
files: ncurses_fix.diff
keywords: patch, patch
messages: 114738
nosy: brian.curtin, stutzbach, tim.golden
priority: normal
severity: normal
stage: needs patch
status: open
title: Buid issues on Cygwin - _curses, _curses_panel, and _io
type: compile error
versions: Python 2.7, Python 3.1, Python 3.2
Added file: http://bugs.python.org/file18614/ncurses_fix.diff
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