From: Joel VanderWerf <joelvanderwerf@...>
Date: 2009-12-27T02:46:53+09:00
Subject: Re: [ANN] Ruby 1.8.7-p248 released.

On 12/25/2009 2:19 AM, Urabe Shyouhei wrote:
> * ftp://ftp.ruby-lang.org/pub/ruby/1.8/ruby-1.8.7-p248.tar.gz

Does not build in cygwin 1.7. (This is the first time I've tried to 
build any 1.8.7 in any cygwin, so I can't say if the problem is new.) 
The most recent releases of 1.8.6 and 1.9.1 build ok in cygwin 1.7.

Here is the error with ruby-1.8.7-p248 under cygwin 1.7 (on windows 7 
x86-64):

$ gcc -g -O2     -DRUBY_EXPORT  -I. -I.    -c eval.c
eval.c:211: error: conflicting types for '_longjmp'
/usr/include/machine/setjmp.h:335: error: previous declaration of 
'_longjmp' was here
eval.c:211: error: conflicting types for '_longjmp'
/usr/include/machine/setjmp.h:335: error: previous declaration of 
'_longjmp' was here

$ gcc -v
Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs
Configured with: 
/managed/gcc-build/final-v3-bootstrap/gcc-3.4.4-999/configure --verbose 
--program-suffix=-3 --prefix=/usr --exec-prefix=/usr --sysconfdir=/etc
--libdir=/usr/lib --libexecdir=/usr/lib --mandir=/usr/share/man 
--infodir=/usr/share/info 
--enable-languages=c,ada,c++,d,f77,pascal,java,objc --enable-nls 
--without-included-gettext --enable-version-specific-runtime-libs 
--without-x --enable-libgcj --disable-java-awt --with-system-zlib 
--enable-interpreter --disable-libgcj-debug --enable-threads=posix 
--enable-java-gc=boehm --disable-win32-registry --enable-sjlj-exceptions 
--enable-hash-synchronization --enable-libstdcxx-debug
Thread model: posix
gcc version 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)

Seems like it might be related to:

http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/23340
http://redmine.ruby-lang.org/issues/show/1388

Thanks, and happy holidays to you too!