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cygwin does not compile


I tried to compile cygwin src (current version) but failed.

(By Corinna's request for console enhancements in a recent mail I felt compelled to 
work on a patch for improved mouse support and cursor position enquiry, two features 
I feel strongly missing.)

Side note: First, I had to add g++ to my installation; maybe separate dependencies 
for source packages in setup.hint might be a useful extension? I'm mentioning this 
because the error might mean I'm missing some other prerequisite to compile cygwin.

So after virtual hours, I got the following message:

make[3]: Entering directory `/usr/src/cygwin-1.7.0-62/i686-pc-cygwin/winsup/cygwin'
g++ -L/usr/src/cygwin-1.7.0-62/i686-pc-cygwin/winsup -L/usr/src/cygwin-1.7.0-62/i686-pc-cygwin/winsup/cygwin -L/usr/src/cygwin-1.7.0-62/i686-pc-cygwin/winsup/w32api/lib -isystem /usr/src/cygwin-1.7.0-62/winsup/include -isystem /usr/src/cygwin-1.7.0-62/winsup/cygwin/include -isystem /usr/src/cygwin-1.7.0-62/winsup/w32api/include -B/usr/src/cygwin-1.7.0-62/i686-pc-cygwin/newlib/ -isystem /usr/src/cygwin-1.7.0-62/i686-pc-cygwin/newlib/targ-include -isystem /usr/src/cygwin-1.7.0-62/newlib/libc/include    -c  -DHAVE_CONFIG_H  -g -O2 -MMD  -Werror -fmerge-constants -ftracer  -Wall -Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin -fmessage-length=0  -I.  -I/usr/src/cygwin-1.7.0-62/winsup/cygwin  -I/usr/src/cygwin-1.7.0-62/winsup/w32api/include -I../../.././winsup/cygwin/config/i386 -I/usr/lib/gcc/i686-pc-cygwin/3.4.4/include -fno-rtti -fno-exceptions -o ./_cygwin_crt0_common.o ../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:24: warning: weak declaration of 'void* operator new(size_t)' not supported
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:26: warning: weak declaration of 'void* operator new [](size_t)' not supported
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:28: warning: weak declaration of 'void operator delete(void*)' not supported
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:30: warning: weak declaration of 'void operator delete [](void*)' not supported
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:32: warning: weak declaration of 'void* operator new(size_t, const std::nothrow_t&)' not supported
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:34: warning: weak declaration of 'void* operator new [](size_t, const std::nothrow_t&)' not supported
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:36: warning: weak declaration of 'void operator delete(void*, const std::nothrow_t&)' not supported
../../.././winsup/cygwin/lib/_cygwin_crt0_common.cc:38: warning: weak declaration of 'void operator delete [](void*, const std::nothrow_t&)' not supported
make[3]: *** [_cygwin_crt0_common.o] Error 1
make[3]: Leaving directory `/usr/src/cygwin-1.7.0-62/i686-pc-cygwin/winsup/cygwin'
make[2]: *** [cygwin] Error 1
make[2]: Leaving directory `/usr/src/cygwin-1.7.0-62/i686-pc-cygwin/winsup'
make[1]: *** [all-target-winsup] Error 2
make[1]: Leaving directory `/usr/src/cygwin-1.7.0-62'
make: *** [all] Error 2


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