交叉编译openharmony版本的gdb

 1465  cd ../gmp-6.3.0/
 1466  ./configure --prefix=/system/ CC=aarch64-linux-gnu-gcc     --build=`./config.guess`        --target=aarch64-linux-gnu             --host=aarch64-linux-gnu
 1467  make
 1468  make install

cd mpfr-4.2.2/
 1472  ./configure --prefix=/system/ CC=aarch64-linux-gnu-gcc     --build=`./config.guess`        --target=aarch64-linux-gnu             --host=aarch64-linux-gnu --with-gmp=/system
 1473  make
 1474  make install

cd gdb-16.3
 1480  ./configure --prefix=/system/ CC=aarch64-linux-gnu-gcc     --build=`./config.guess`        --target=aarch64-linux-gnu             --host=aarch64-linux-gnu --with-gmp=/system --with-mpfr=/system
 1481  make
 1482  make install