Cross-compiling Tcl r3 (See the current copy)

To Windows (x86)

 $ RC=i586-mingw32msvc-windres AR=i586-mingw32msvc-ar RANLIB=i586-mingw32msvc-ranlib \
   ./configure --host=i586-mingw32msvc --build=i486-slackware-linux --disable-shared \
   --disable-threads --disable-64bit --disable-symbols

To MIPS (uClibc)

 $ AR=mipsel-linux-uclibc-ar RANLIB=mipsel-linux-uclibc-ranlib ./configure \
   --host=mipsel-linux-uclibc --build=i486-slackware-linux --disable-shared \
   --disable-threads --disable-64-bit --disable-symbols