AM_CONDITIONAL(cc_is_gcc, test x"$GCC" = x"yes" )
AM_CONDITIONAL(host_is_w32, [case $host_os in mingw*) true;; *) false;; esac] )
AM_CONDITIONAL(cc_is_gcc, test x"$GCC" = x"yes" )
AM_CONDITIONAL(host_is_w32, [case $host_os in mingw*) true;; *) false;; esac] )