CROSS-COMPILING FOR WINDOWS
Based on http://eigenclass.org/hiki.rb?cross+compiling+rcovrt
*) Install the MinGW cross-compiler
Debian: apt-get install mingw32 mingw32-binutils mingw32-runtime
*) Download & extract a ruby distribution archive
*) Double the backslashes in the ALT_SEPARATOR definition in Makefile.in
*) Build & install it:
env ac_cv_func_getpgrp_void=no \
ac_cv_func_setpgrp_void=yes \
rb_cv_negative_time_t=no \
ac_cv_func_memcmp_working=yes \
rb_cv_binary_elf=no \
./configure \
--host=i586-mingw32msvc \
--target=i386-mingw32 \
--build=i686-linux \
--prefix=~/ruby-mingw32
make ruby
make install
*) Build the extension (rake will build spidermonkey for you)
# Remove any native binaries that are already built
rake clean
rake build CROSS=MINGW32 CROSSLIB=~/ruby-mingw32/lib/ruby/1.8/i386-mingw32
