fix build on mingw C++11 mode
should use #ifdef , not #if
use cmake -DWITH_ICONV=OFF to disable link to iconv
use cmake -DWITH_ICONV=OFF to disable link to iconv
use cmake -DWITH_ICONV=OFF to disable link to iconv
force link to static boost on wingw
标题也有转码需要
'remove autotools, that's broken for long time
add cpack
add cpack support
use cmake to change avbot.rc 的版本！
add missing avbot.rc.in, forgive me
mingw build need to link to static libstdc++ anyway
这个也是 autotools 的，清理干净
little fix. windows 真麻烦
typo error
windows 下也不用找 threads ....
update avhttp fix for c++11
lots of fix for mingw.
INCLUDE (CheckLibraryExists)