This is the mail archive of the
cygwin@cygwin.com
mailing list for the Cygwin project.
Re: g++ newer version
- From: Danny Smith <danny_r_smith_2001 at yahoo dot co dot nz>
- To: "Gerrit P. Haase" <gp at familiehaase dot de>
- Cc: cygwin at cygwin dot com
- Date: Sat, 3 May 2003 06:13:30 +1000 (EST)
- Subject: Re: g++ newer version
--- "Gerrit P. Haase" <gp@familiehaase.de> wrote: > Hallo Danny,
>
> >>> I suspect the latter. You can help out by taking the set of patches to
> >>> the current Cygwin gcc package and tweaking them to apply to gcc 3.2.3
> >>
> >> Where do I get these patches?
> >>
> > This may help.
>
> > The mingw source and patchset for gcc 3.2.3 at mingw download page
> > https://sourceforge.net/project/showfiles.php?group_id=2435
> > (look in release candidate section) also boostraps with target=cygwin (or
> it
> > did a week or so ago).
>
> Thanks.
>
> > It contains all the patches in the cygwin-mingw-v2 CVS branch updated
> > to 3.2.3, plus a few tweaks to the -mno-cygwin business as per the gcc
> > trunk CVS,
>
> > I plan to upload a final version of 3.2.3 for mingw next week
> > (after mingw user feedback)
>
> I get this error now when c++filt.exe is linked:
>
> rm -f cxxmain.c
> ln -s /winsup/src/gcc/../libiberty/cplus-dem.c cxxmain.c
> gcc -c -DMAIN -DIN_GCC -O2 -W -Wall -Wwrite-strings -Wstrict-prototypes
> -Wmissing-prototypes -Wtraditional -pedantic -Wno-long-long -DHAVE_CONFIG_H
> -I. -I. -I/winsup/src/gcc -I/winsup/src/gcc/. -I/winsup/src/gcc/config
> -I/winsup/src/gcc/../include \
> -DVERSION=\"3.2.3\" cxxmain.c
> gcc -o c++filt.exe -DIN_GCC -O2 -W -Wall -Wwrite-strings
> -Wstrict-prototypes -Wmissing-prototypes -Wtraditional -pedantic
> -Wno-long-long -DHAVE_CONFIG_H \
> cxxmain.o underscore.o -lintl -liconv ../libiberty/libiberty.a
>
/bin/../lib/gcc-lib/i686-pc-cygwin/3.2/../../../libcygwin.a(libcmain.o)(.text+0x69):
> undefined reference to `_WinMain@16'
> collect2: ld returned 1 exit status
>
You are using the wrong libiberty source. Newer versions of
libiberty/cplus-dem.c do not have the standalone demangler machinery. You need
to use the libiberty that is shipped with the gcc-3.2.3 distro, _not_ the
winsup/src/libiberty. Moving the gcc src tree out of winsup sould do the
trick.
Danny
>
> Gerrit
> --
> =^..^=
>
http://mobile.yahoo.com.au - Yahoo! Mobile
- Check & compose your email via SMS on your Telstra or Vodafone mobile.
--
Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
Problem reports: http://cygwin.com/problems.html
Documentation: http://cygwin.com/docs.html
FAQ: http://cygwin.com/faq/