An attempt to build either gcc-trunk or the most recent snapshot (20091119) with Cygwin (the build compiler is either GCC 4.4.0 or 4.5-20090604), configured as:
$ ../configure --prefix=/opt/gcc-4.5-20091119 -v --enable-bootstrap --enable-ve rsion-specific-runtime-libs --enable-shared --enable-shared-libgcc --with-gnu-l d --with-gnu-as --enable-dwarf2-exceptions --disable-symvers --disable-nls --wi th-arch=core2 --with-tune=generic --enable-threads=posix --enable-languages=c,c ++ fails with the following message: [...] mv ./shlib/libgcc_s.dll.a.tmp ./shlib/libgcc_s.dll.a /usr/bin/ld: unrecognized -a option `ware' collect2: ld returned 1 exit status make[3]: *** [libgcc_s.dll] Error 1 make[3]: Leaving directory `/home/piotr.wyderski/build/gcc-4.5-20091119/objdir/i 686-pc-cygwin/libgcc' make[2]: *** [all-stage1-target-libgcc] Error 2 make[2]: Leaving directory `/home/piotr.wyderski/build/gcc-4.5-20091119/objdir' make[1]: *** [stage1-bubble] Error 2 make[1]: Leaving directory `/home/piotr.wyderski/build/gcc-4.5-20091119/objdir' make: *** [all] Error 2
