Re: [PATCH] Fix mingw32 bootstrap regression.

['Bob Rossi' <bob_rossi at cox dot net>]

On Sat, Dec 23, 2006 at 01:36:24PM +1300, Danny Smith wrote:
> 
> > 
> > On Sat, Dec 23, 2006 at 11:50:57AM +1300, Danny Smith wrote:
> > > 
> > > > On Fri, Dec 22, 2006 at 09:15:57PM +1300, Danny Smith wrote:
> > > > > This way:
> > > > > bash, sed, configure, make, expect, dejagnu, etc are 
> > cygwin tools
> > > > > (cygwin1.dll-dependent).
> > > > > The build gcc, binutils are from mingw (msvcrt.dll-dependent).
> > > > > I've done it this way since well before msys. 
> > > > 
> > > > You run a native bootstrap using these tools?
> > > 
> > > Yes.  
> > > 
> > > 
> > > mingw binaries precede cygwin binaries in PATH (unless I 
> > actually logon
> > > to cygwin).
> > > mount table contains:
> > > c:\cygwin\lib on /usr/lib type system (binm
> > > c:\cygwin\usr on /usr type system (binmode)
> > > c:\cygwin\bin on /bin type system (binmode)
> > > c:\cygwin\bin on /usr/bin type system (binm
> > > c:\cygwin on / type system (binmode)
> > > c:\mingw on /mingw type system (binmode)
> > > c:\developex on /developex type system (binmode
> > > 
> > > mingw binaries live in /mingw/bin
> > > cygwin binaries live in /cygwin/bin
> > > development sources and builds are all rooted in /developex
> > > 
> > > Thus native pathnames of all native components are same as cygwin
> > > pathname
> > > 
> > > I have never needed to use msys.  The cygwin tools have been more
> > > reliable.
> > 
> > Hi Danny,
> > Can you post the script that you use, if available? Even just the
> > configure line would be nice.
> > 
> This is run from /developex/gcc/svn/gcc-trunk/build dir. The sources are
> in 
> /developex/gcc/svn/gcc-trunk/gcc.
> 
> 
> #!/bin/sh
> ../gcc/configure  --with-gcc  --enable-libgomp --host=i686-pc-mingw32dw2
> --build=i686-pc-mingw32dw2 --target=i686-pc-mingw32dw2 --with-arch=i486
> --with-tune=i686 --disable-werror --prefix=/mingw
> --with-local-prefix=/mingw --enable-threads --disable-nls
> --enable-languages=c,c++,objc,fortran --disable-win32-registry
> --disable-sjlj-exceptions --enable-libstdcxx-debug
> --enable-cxx-flags='-fno-function-sections -fno-data-sections'
> -enable-shared --enable-version-specific-runtime-libs
> make  CXXFLAGS="-mthreads -O2" bootstrap  2>err.log 1>out.log
> 
> The 'dw2' suffix in target-triplet is because I use a patched tree that
> allows Dwarf2 EH unwind.
> I install this into /mingw.  There are lots of gcc versions in /mingw,
> each qualified with version.

Thanks very much Danny. I'm going to try this out today. One thing I
noticed is that you are doing -enable-shared, whereas every other mingw
build script that I've found does --disable-shared. Does mingw need to
have static libraries or is shared ok also?

Thanks,
Bob Rossi