Warning: mingw-gcj (3.1 branch) is broken

[Adam Megacz <megacz at xwt dot org>]

This is an automatically generated message.

A build of the current 3.1 branch fails for all-target-libjava
with a linux-pc-gnu host and a mingw target.

The last 100 lines of the build output are attached below.

checking for wcsxfrm... no
checking for wcscspn... no
checking for wcsspn... no
checking for wcstok... no
checking for wcsftime... no
checking for wcschr... no
checking for wcspbrk... no
checking for wcsrchr... no
checking for wcsstr... no
checking for ISO C99 wchar_t support... no
checking for iconv.h... no
checking for langinfo.h... no
checking for iconv in -liconv... no
checking for iconv_open... no
checking for iconv_close... no
checking for iconv... no
checking for nl_langinfo... no
checking for XPG2 wchar_t support... no
checking for enabled wchar_t specializations... no
checking for shared libgcc... no
checking versioning on shared library symbols... no
updating cache ../config.cache
checking for interface version number... v3
checking for --with-gxx-include-dir... no
checking for --enable-version-specific-runtime-libs... no
checking for install location... $(prefix)/include/g++-v3
creating ./config.status
creating Makefile
creating include/Makefile
creating src/Makefile
creating libmath/Makefile
creating libio/Makefile
creating libsupc++/Makefile
creating po/Makefile
creating testsuite/Makefile
creating mkcheck
creating testsuite_flags
creating config.h
linking ../../../gcc/libstdc++-v3/config/io/basic_file_stdio.cc to src/basic_file.cc
linking ../../../gcc/libstdc++-v3/config/locale/generic/c_locale.cc to src/c++locale.cc
linking ../../../gcc/libstdc++-v3/config/locale/generic/collate_members.cc to src/collate.cc
linking ../../../gcc/libstdc++-v3/config/locale/generic/ctype_members.cc to src/ctype.cc
linking ../../../gcc/libstdc++-v3/config/locale/generic/messages_members.cc to src/messages.cc
linking ../../../gcc/libstdc++-v3/config/locale/generic/monetary_members.cc to src/monetary.cc
linking ../../../gcc/libstdc++-v3/config/locale/generic/numeric_members.cc to src/numeric.cc
linking ../../../gcc/libstdc++-v3/config/locale/generic/time_members.cc to src/time.cc
linking ../../../gcc/libstdc++-v3/config/linker-map.dummy to src/linker.map
Adding multilib support to Makefile in ../../../gcc/libstdc++-v3
multidirs=
with_multisubdir=

Please make certain that you read the installation information here:
  faster => ../../../gcc/libstdc++-v3/docs/install.html
  slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/install.html>

and the configuration information here:
  faster => ../../../gcc/libstdc++-v3/docs/configopts.html
  slower => <URL:http://gcc.gnu.org/onlinedocs/libstdc++/configopts.html>

before proceeding with make.

Configuring in i686-pc-mingw32/libiberty
loading cache ../config.cache
checking whether to enable maintainer-specific portions of Makefiles... no
checking for makeinfo... no
checking for perl... perl
checking host system type... i686-pc-mingw32
checking build system type... i686-pc-linux-gnu
checking for i686-pc-mingw32-ar... (cached) i686-pc-mingw32-ar
checking for i686-pc-mingw32-ranlib... (cached) i686-pc-mingw32-ranlib
checking for gcc... (cached) /gcc/current/bin/gcc/xgcc -B/gcc/current/bin/gcc/ -B/usr/local/gcc/i686-pc-mingw32/bin/ -B/usr/local/gcc/i686-pc-mingw32/lib/ -isystem /usr/local/gcc/i686-pc-mingw32/include
checking whether we are using GNU C... (cached) yes
checking whether /gcc/current/bin/gcc/xgcc -B/gcc/current/bin/gcc/ -B/usr/local/gcc/i686-pc-mingw32/bin/ -B/usr/local/gcc/i686-pc-mingw32/lib/ -isystem /usr/local/gcc/i686-pc-mingw32/include accepts -g... (cached) yes
checking for POSIXized ISC... no
checking for working const... yes
checking for inline... inline
checking for a BSD compatible install... (cached) /usr/bin/install -c
checking how to run the C preprocessor... (cached) /gcc/current/bin/gcc/xgcc -B/gcc/current/bin/gcc/ -B/usr/local/gcc/i686-pc-mingw32/bin/ -B/usr/local/gcc/i686-pc-mingw32/lib/ -isystem /usr/local/gcc/i686-pc-mingw32/include -E
checking for sys/file.h... yes
checking for sys/param.h... no
checking for limits.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for unistd.h... yes
checking for strings.h... no
checking for sys/time.h... yes
checking for time.h... yes
checking for sys/resource.h... no
checking for sys/stat.h... yes
checking for sys/mman.h... no
checking for fcntl.h... yes
checking for alloca.h... no
checking for sys/wait.h that is POSIX.1 compatible... no
checking whether time.h and sys/time.h may both be included... yes
checking whether errno must be declared... no
checking for ANSI C header files... no
checking for uintptr_t... no
checking whether the C compiler (/gcc/current/bin/gcc/xgcc -B/gcc/current/bin/gcc/ -B/usr/local/gcc/i686-pc-mingw32/bin/ -B/usr/local/gcc/i686-pc-mingw32/lib/ -isystem /usr/local/gcc/i686-pc-mingw32/include -g -O2 ) works... no
configure: error: installation or configuration problem: C compiler cannot create executables.
make: *** [configure-target-libiberty] Error 1