參考鏈接:

http://www.cppblog.com/runsisi/archive/2012/10/08/193027.html

gcc 搜索路徑:

1、 gcc -print-search-dirs

install: /usr/lib/gcc/i686-w64-mingw32/4.6/

programs: =/usr/lib/gcc/i686-w64-mingw32/4.6/:/usr/lib/gcc/i686-w64-mingw32/4.6/:/usr/lib/gcc/i686-w64-mingw32/:/usr/lib/gcc/i686-w64-mingw32/4.6/:/usr/lib/gcc/i686-w64-mingw32/:/usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/bin/i686-w64-mingw32/4.6/:/usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/bin/

libraries: =/usr/lib/gcc/i686-w64-mingw32/4.6/:/usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/lib/i686-w64-mingw32/4.6/:/usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/lib/../lib/:/usr/lib/gcc/i686-w64-mingw32/4.6/../../../../i686-w64-mingw32/lib/

--with-sysroot=DIR將 dir 看作目標系統的根目錄。目標系統的頭文件、庫文件、運行時對象都將被限定在其中。

2、

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