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Hi!

I've tried to build Python 2.7.3rc2 on cygwin and got the following errors:

$ CFLAGS=-I/usr/include/ncursesw/ CPPFLAGS=-I/usr/include/ncursesw/ ./configure
$ make
....
gcc -shared -Wl,--enable-auto-image-base
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/bufferedio.o
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/bytesio.o
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/fileio.o
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/iobase.o
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/_iomodule.o
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/stringio.o
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/textio.o
-L/usr/local/lib -L. -lpython2.7 -o build/lib.cygwin-1.7.11-i686-2.7/_io.dll
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/bufferedio.o:
In function `_set_BlockingIOError':
/Python-2.7.3rc2/Modules/_io/bufferedio.c:579: undefined reference to
`__imp__PyExc_BlockingIOError'
/Python-2.7.3rc2/Modules/_io/bufferedio.c:579: undefined reference to
`__imp__PyExc_BlockingIOError'
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_io/bufferedio.o:
In function `_buffered_check_blocking_error':
/Python-2.7.3rc2/Modules/_io/bufferedio.c:595: undefined reference to
`__imp__PyExc_BlockingIOError'
collect2: ld returned 1 exit status

building '_curses' extension
gcc -fno-strict-aliasing -I/usr/include/ncursesw/ -DNDEBUG -g -fwrapv -O3
-Wall -Wstrict-prototypes -I. -IInclude -I./Include
-I/usr/include/ncursesw/ -I/Python-2.7.3rc2/Include -I/Python-2.7.3rc2 -c
/Python-2.7.3rc2/Modules/_cursesmodule.c -o
build/temp.cygwin-1.7.11-i686-2.7/Python-2.7.3rc2/Modules/_cursesmodule.o
/Python-2.7.3rc2/Modules/_cursesmodule.c: In function
‘PyCursesWindow_EchoChar’:
/Python-2.7.3rc2/Modules/_cursesmodule.c:810:18: error: dereferencing
pointer to incomplete type
/Python-2.7.3rc2/Modules/_cursesmodule.c: In function
‘PyCursesWindow_NoOutRefresh’:
/Python-2.7.3rc2/Modules/_cursesmodule.c:1238:22: error: dereferencing
pointer to incomplete type
/Python-2.7.3rc2/Modules/_cursesmodule.c: In function ‘PyCursesWindow_Refresh’:
/Python-2.7.3rc2/Modules/_cursesmodule.c:1381:22: error: dereferencing
pointer to incomplete type
/Python-2.7.3rc2/Modules/_cursesmodule.c: In function ‘PyCursesWindow_SubWin’:
/Python-2.7.3rc2/Modules/_cursesmodule.c:1448:18: error: dereferencing
pointer to incomplete type
/Python-2.7.3rc2/Modules/_cursesmodule.c: In function ‘PyCursesWindow_Refresh’:
/Python-2.7.3rc2/Modules/_cursesmodule.c:1412:1: warning: control reaches
end of non-void function
/Python-2.7.3rc2/Modules/_cursesmodule.c: In function
‘PyCursesWindow_NoOutRefresh’:
/Python-2.7.3rc2/Modules/_cursesmodule.c:1270:1: warning: control reaches
end of non-void function
/Python-2.7.3rc2/Modules/_cursesmodule.c: In function
‘PyCursesWindow_EchoChar’:
/Python-2.7.3rc2/Modules/_cursesmodule.c:817:1: warning: control reaches
end of non-void function

....

Failed to build these modules:
_curses _io



Then tried to see if the problem is sovled, fetched the source from
https://bitbucket.org/python_mirrors/releasing-2.7.3 and got another one:

$ CFLAGS=-I/usr/include/ncursesw/ CPPFLAGS=-I/usr/include/ncursesw/ ./configure
$ make
gcc -Wno-unused-result -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes
-I/usr/include/ncursesw/ -I. -I./Include -I/usr/include/ncursesw/
-DPy_BUILD_CORE -c ./Modules/signalmodule.c -o Modules/signalmodule.o
../Modules/signalmodule.c: In function ‘fill_siginfo’:
../Modules/signalmodule.c:734:5: error: ‘siginfo_t’ has no member named
‘si_band’
Makefile:1456: recipe for target `Modules/signalmodule.o' failed
make: *** [Modules/signalmodule.o] Error 1


Reporting here, because bugs.python.org refuses connections currently.

Just in case
CYGWIN_NT-6.1-WOW64 ... 1.7.11(0.260/5/3) 2012-02-24 14:05 i686 Cygwin
gcc version 4.5.3 (GCC)

--
Alex