Motorola XT897 >> Sailfish

build kernel 3.0.101

---

參考資訊：
1. Building_AVR_GCC

步驟如下：

$ sudo zypper install gmp-devel mpfr-devel mpc-devel

$ cd 
$ wget https://ftp.gnu.org/gnu/binutils/binutils-2.26.tar.gz
$ tar xvf binutils-2.26.tar.gz
$ cd binutils-2.26
$ mkdir obj-avr
$ cd obj-avr 
$ ../configure --target=avr --program-prefix="avr-"
$ make
$ sudo make install

$ cd
$ wget https://ftp.gnu.org/gnu/gcc/gcc-4.3.4/gcc-core-4.3.4.tar.bz2
$ tar xvf gcc-core-4.3.4.tar.bz2
$ cd gcc-4.3.4
$ vim gcc/toplev.h +176
  /*
  extern inline int 
  floor_log2 (unsigned HOST_WIDE_INT x)
  {
    return x ? HOST_BITS_PER_WIDE_INT - 1 - (int) CLZ_HWI (x) : -1; 
  }

  extern inline int 
  exact_log2 (unsigned HOST_WIDE_INT x)
  {
    return x == (x &amap; -x) && x ? (int) CTZ_HWI (x) : -1; 
  }
  */

$ mkdir obj-avr
$ cd obj-avr
$ ../configure --target=avr --program-prefix="avr-" --enable-languages=c --disable-libssp
$ make
$ sudo make install

$ cd 
$ wget http://mirror.yongbok.net/nongnu/avr-libc/old-releases/avr-libc-1.6.8.tar.bz2
$ tar xvf avr-libc-1.6.8.tar.bz2
$ cd avr-libc-1.6.8
$ ./configure --host=avr
$ make
$ sudo make install

$ cd
$ wget http://download.savannah.gnu.org/releases/avrdude/avrdude-6.3.tar.gz
$ tar xvf avrdude-6.3.tar.gz
$ cd avrdude-6.3
$ ./configure
$ make
$ sudo make install

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